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| − | ==Introduction==
| + | Importing file |
| − | | |
| − | <br/>VIT AutoSDK (SDK) development kit isdesigned for recognition of vehicle number plates. SDK is a set of C/C++ runtime libraries and header files that arerequired for use of SDK inapplication level development.
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| − | | |
| − | <br/>Depending on supply, SDK can be used inx86 family computers(32/64 bit) under Unix OS (e.g. FreeBSD, Mac OS X, Linux) and Microsoft Windows OS (e.g. 2000, 2003, XP, Vista, Seven).
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| − | | |
| − | <br/>The maximum number of active principals , as well as the number of processed frames per second, depends on the supply.
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| − | | |
| − | <br/>SDK dynamic libraries are protected and cannot be used without special supplied hardware key.
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| − | | |
| − | ==Product structure==
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| − | | |
| − | AutoSDK consists of:
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| − | * AutoSDK file package
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| − | * hardware key (allows to run SDK executable files)
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| − | <br/><AutoSDK>
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| − | :samples ;; examples of SDK usage
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| − | :doc
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| − | ::ru
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| − | :::AutoSDK.pdf ;; developer documentation
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| − | ::en
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| − | :::AutoSDK.pdf
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| − | ::templates ;; images of number plate types (templates)
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| − | :opt
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| − | ::include ;; header files
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| − | :::Vodi ;; SDK header files
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| − | :::Bo ;; support library
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| − | ::bin [Unix] ;; programs
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| − | :::vpwfetch ;; reads vehicle number plates
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| − | ::bin [Windows] ;; programs, dynamic libraries
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| − | :::vpwfetch.exe ;; reads vehicle number plates
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| − | :::Bo.dll ;; support library
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| − | :::Bo_g.dll ;; debug variant
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| − | :::Vodi.dll
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| − | :::Vodi_g.dll ;; debug variant
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| − | ::lib [Unix] ;; object files, dynamic and archive libraries
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| − | :::<PFX>Bo<SFX> ;; support library
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| − | :::<PFX>Bo_g<SFX> ;; debug variant
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| − | :::<PFX>Vodi<SFX>
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| − | :::<PFX>Vodi_g<SFX> ;; debug variant
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| − | ::lib [Windows] ;; object files, dynamic and stub libraries
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| − | :::Bo.lib ;; stub library Bo.dll
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| − | :::Bo_g.lib ;; debug variant
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| − | :::Vodi.lib ;; stub library Vodi.dll
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| − | :::Vodi_g.lib ;; debug variant
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| − | ::libexec ;; libraries with implicit linking
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| − | :HASP
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| − | | |
| − | <br/><PFX> - system-dependent prefix of dynamic libraries (for example, lib).
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| − | | |
| − | <br/><SFX> - system-dependent suffix of dynamic libraries containing the file version and its extension (e.g. so.2.4.0; 2.4.0.dylib, -2_4_0. dll).
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| − | | |
| − | ==Product installation==
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| − | <br/>We give installation recommendations, based on our traditions. You can use other installation approaches, based on our example,which will be more convenient for you.
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| − | | |
| − | <br/>Let’s assume that AUTOSDK is the path to the package you want to install (for more information on structure of the package, see “Product structure” section), and INSTALLDIR is the path to the directory where you want to install the product.
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| − | | |
| − | ===Installation for Windows===
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| − | :1. Copy content of the AUTOSDK into INSTALLDIR directory.
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| − | :2. Add path to INSTALLDIR\opt\include to the header search path for C/C++ preprocessor. It can be done using Microsoft Visual Studio in “Additional Include Directories” section.
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| − | :3. Add path to INSTALLDIR\opt\libto the library search path for linker. It can be done using Microsoft Visual Studio in “Additional Library Directories” section.
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| − | :4. Create or add path to the INSTALLDIR\opt\bin into the environmental variable PATH.
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| − | :5. Create or add path to the INSTALLDIR\opt\libexec\aopr\modules into the environmental variable AORP_MODULE_PATH.
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| − | | |
| − | ==First application==
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| − | ===Module loading===
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| − | | |
| − | <br/>It is necessary to load modules before working with the SDK.
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| − | | |
| − | <syntaxhighlight lang="c">
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| − | static bo_status_t _t_load_requireds(struct aorp_error *anErrPtr)
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| − | {
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| − | /*
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| − | * We will load 4 base modules:
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| − | * vpwf – base functional
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| − | * vpwc - additionalfunctional
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| − | * vipaz - recognizers
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| − | * vpwi – description of number plates
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| − | */
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| − | static charconst *_s_requireds[] = {
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| − | "vpwf-ia616oa245", "vpwc-f0p1", "vipaz-mlnn", "vipaz-gm", "vpwi-ru",
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| − | NULL
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| − | };
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| − | | |
| − | bo_status_t status;
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| − | charconst *name, **rqp;
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| − | | |
| − | for (rqp = _s_requireds; NULL != (name = *rqp); ++rqp) {
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| − | status = AorpMldLoad(name, NULL, 0, 0, anErrPtr);
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| − | if (BoS_FAILURE(status)) {
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| − | return (status);
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| − | /* NOTREACHED */
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| − | }
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| − | }
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| − | | |
| − | return (BoS_NORMAL);
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| − | }
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| − | </syntaxhighlight>
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| − | | |
| − | ===Creation of the principal===
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| − | | |
| − | <br/>To start number plate recognition, it is necessary to create/open an instance of the principal. When it is created, you can specify some parameters for its work.
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| − | | |
| − | <syntaxhighlight lang="c">
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| − | static aorp_object_t _t_princ_open(struct aorp_error *anErrPtr)
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| − | {
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| − | struct vodi_vpw_princ_param defaults = {
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| − | /* .enable = */true,
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| − | /* .thread_max = */0,
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| − | /* .image_width = */100,
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| − | /* .image_height = */100,
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| − | /* .image_brightnes = */0,
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| − | /* .image_contrast = */0,
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| − | /* .image_blur = */13,
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| − | /* .image_treshold = */21,
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| − | /* .image_reversed = */false,
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| − | /* .image_angle = */0,
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| − | /* .analysed_zone = */ {0},
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| − | /* .analysed_zone_count = */0,
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| − | /* .plate_size_max = */200,
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| − | /* .plate_size_min = */45,
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| − | /* .plate_inverse_analyse = */true,
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| − | /* .plate_probability_min = */15,
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| − | /* .plate_star_max = */1,
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| − | /* .md_enable = */false,
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| − | /* .md_cell_size = */0,
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| − | /* .md_threshold = */0,
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| − | /* .md_square_min = */0,
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| − | /* .md_mask = */NULL,
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| − | /* .md_mask_h_size = */0,
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| − | /* .md_mask_v_size = */0,
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| − | /* .dynamic_enable = */false
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| − | };
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| − | aorp_object_tretval;
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| − | | |
| − | VpwprincOpen(retval, 0, NULL, &defaults, anErrPtr);
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| − | return (retval);
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| − | }
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| − | | |
| − | int main(intargc, char *argv[])
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| − | {
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| − | aorp_object_t principal;
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| − | struct aorp_error *err;
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| − | | |
| − | ...
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| − | | |
| − | principal = _t_princ_open(err);
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| − | | |
| − | ...
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| − | | |
| − | (void)AorpRelease(principal, 0, NULL); /* releasing the principal */
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| − | | |
| − | ...
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| − | }
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| − | </syntaxhighlight>
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| − | | |
| − | ===Configuration===
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| − | <br/>Once created, the principal can be set up for work. In this example, the configuration specifies the need to recognize Russian number plates. Other options can be found in the "Functional specification"section.
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| − | | |
| − | <syntaxhighlight lang="c">
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| − | static bo_status_t
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| − | _t_princ_configure(aorp_object_t aPrincipal, struct aorp_error *anErrPtr)
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| − | {
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| − | bo_status_t status;
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| − | struct vodi_vpw_country_idtmpl = {
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| − | /* .code = */643/* ru */,
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| − | /* .id = */0,
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| − | /* .sub_id = */0
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| − | };
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| − | | |
| − | assert(NULL != aPrincipal);
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| − | | |
| − | status = VodiprincSetparam(
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| − | aPrincipal, anErrPtr, VodiCTL_VPW_PLATE_TEMPLATE, &tmpl, 1
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| − | );
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| − | if (BoS_FAILURE(status)) {
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| − | return (status);
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| − | /* NOTREACHED */
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| − | }
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| − |
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| − | /* other parameters */
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| − | | |
| − | status = VodiprincApplyparam(result, anErrPtr);
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| − | return (status);
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| − | }
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| − | </syntaxhighlight>
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| − | | |
| − | ===Recognition===
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| − | | |
| − | <br/>Now everything is ready for recognition. To do so, the image file should be packed into the structure vodi_image and passed to the operation VodiprincProcess. Each row of the image must be aligned to 4 bytes. It is also necessary to prepare the structure vodi_vpw_options with additional options (sequential number of the frame, its timestamp and size). If the image size changes, it is necessary to update values of VodiCTL_VPW_IMAGE_WIDTH and VodiCTL_VPW_IMAGE_HEIGHT to current.
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| − | | |
| − | <br/>In the case when number plates are detected in the image,the operation returns result ensemble.
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| − | | |
| − | <syntaxhighlight lang="c">
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| − | static bo_status_t
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| − | _t_princ_recognize(
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| − | aorp_object_t aPrincipal,
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| − | struct vodi_image *anImage,
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| − | size_t anAnalizeZonec,
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| − | struct vodi_rectconst anAnalizeZonev[],
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| − | struct vodi_ucontext *anUserCtx,
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| − | aorp_object_t anInputEnsemble,
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| − | aorp_object_t *anOutputEnsemblePtr,
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| − | struct aorp_error *anErrPtr
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| − | )
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| − | {
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| − | bo_status_t status;
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| − | unsigned width, height;
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| − | struct vodi_vpw_options options;
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| − | | |
| − | options.magic = VodiK_VPW_OPTIONS_WORK_MAGIC;
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| − | options.img_seqnum = 0;
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| − | options.img_timestamp = 0;
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| − | options.imgsz.sz_width = width = anImage->img_width;
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| − | options.imgsz.sz_height = height = anImage->img_height;
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| − |
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| − | status = VodiprincSetparam(
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| − | aPrincipal, anErrPtr, VodiCTL_VPW_IMAGE_WIDTH, width
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| − | );
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| − | if (BoS_FAILURE(status)) {
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| − | return (status);
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| − | /* NOTREACHED */
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| − | }
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| − | status = VodiprincSetparam(
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| − | aPrincipal, anErrPtr, VodiCTL_VPW_IMAGE_HEIGHT, height
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| − | );
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| − | if (BoS_FAILURE(status)) {
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| − | return (status);
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| − | /* NOTREACHED */
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| − | }
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| − | status = VodiprincApplyparam(aPrincipal, anErrPtr);
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| − | if (BoS_FAILURE(status)) {
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| − | return (status);
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| − | /* NOTREACHED */
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| − | }
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| − | | |
| − | status = VodiprincProcess(
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| − | aPrincipal, anImage, anAnalizeZonec, anAnalizeZonev,
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| − | anUserCtx, anInputEnsemble, anOutputEnsemblePtr,
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| − | &options, anErrPtr
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| − | );
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| − | return (status);
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| − | }
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| − | </syntaxhighlight>
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| − | | |
| − | ===Processing recognition results===
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| − | | |
| − | <br/>Processing of the results begins with the reading of the ensemble.
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| − | | |
| − | <syntaxhighlight lang="c">
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| − | static bo_status_t
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| − | _t_ensemble_handle(aorp_object_t anEnsemble, struct aorp_error *anErrPtr)
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| − | {
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| − | bo_status_t status;
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| − | size_tresc;
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| − | aorp_object_tresv[256], *resp;
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| − | bo_index_t from;
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| − | _Bool overflow;
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| − | | |
| − | assert(NULL != anEnsemble);
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| − | | |
| − | from = 0;
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| − | do {
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| − | status = VodiensGet(
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| − | anEnsemble, from, -1, __myc_namembs(resv), resv, anErrPtr
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| − | );
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| − | if (!BoS_DOBRE(status))
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| − | break;
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| − | | |
| − | resc = (size_t)status;
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| − | overflow = false;
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| − | if (__myc_namembs(resv) <resc) {
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| − | resc = __myc_namembs(resv);
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| − | from += (bo_index_t)resc;
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| − | overflow = true;
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| − | }
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| − | | |
| − | resp = resv;
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| − | do {
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| − | status = _t_result_handle(*resp++, anErrPtr);
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| − | if (BoS_FAILURE(status)) {
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| − | return (status);
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| − | /* NOTREACHED */
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| − | }
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| − | }
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| − | while (--resc);
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| − | }
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| − | while (overflow);
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| − | | |
| − | return (BoS_NORMAL);
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| − | }
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| − | </syntaxhighlight>
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| − | | |
| − | <br/>For each result from the ensemble we use the following function. The function reads the information from the result into the structure vodi_vpw_result_info using the VodiresFetchinfo operation. After using it to read the information, it must be destroyed using the VodiResultInfoDestroy.
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| − | | |
| − | <syntaxhighlight lang="c">
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| − | static bo_status_t
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| − | _t_result_handle(aorp_object_t aResult, struct aorp_error *anErrPtr)
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| − | {
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| − | bo_status_t status;
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| − | struct vodi_result_info *info;
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| − | struct vodi_vpw_result_info plateinfo;
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| − | | |
| − | assert(NULL != aResult);
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| − | | |
| − | info = (struct vodi_result_info *)&plateinfo;
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| − | VODI_RESULT_INFO_TYPE(info) = VodiK_VPW_RESULT_INFO;
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| − | status = VodiresFetchinfo(aResult, info, anErrPtr);
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| − | if (BoS_FAILURE(status)) {
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| − | return (status);
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| − | /* NOTREACHED */
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| − | }
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| − | | |
| − | status = _t_plateinfo_handle(&plateinfo, anErrPtr);
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| − | | |
| − | VodiResultInfoDestroy(info);
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| − | | |
| − | return (status);
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| − | }
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| − | </syntaxhighlight>
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| − | | |
| − | <br/>We apply another function to the read information, where you can do something with the result.
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| − | | |
| − | <syntaxhighlight lang="c">
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| − | static bo_status_t
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| − | _t_plateinfo_handle(
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| − | struct vodi_vpw_result_info *anInfo,
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| − | struct aorp_error *anErrPtr
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| − | )
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| − | {
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| − | struct vodi_plate_info_spec *pis;
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| − | struct vodi_plate *plate;
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| − | | |
| − | assert(NULL != anInfo);
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| − | | |
| − | pis = VODI_RESULT_INFO_SPEC(anInfo, plate);
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| − | plate = &pis->pis_plate_variantv[0];
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| − | | |
| − | /* do something */
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| − | | |
| − | return (BoS_NORMAL);
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| − | }
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| − | </syntaxhighlight>
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| − | | |
| − | ==Functional specification==
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| − | ====VpwprincOpen====
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| − | | |
| − | :'''NAME'''
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| − | | |
| − | ::VpwprincOpen – open/create principal.
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| − | | |
| − | :'''SYNTAX'''
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| − | | |
| − | <syntaxhighlight lang="c">
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| − | #include <Vodi/objects/Vpwprinc.h>
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| − | | |
| − | void
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| − | __attribute__((nonnull(1,4))
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| − | VpwprincOpen(
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| − | aorp_object_t&aResultRef,
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| − | aorp_opflags_t Flags /* = 0 */,
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| − | bo_pointer_t aMemory /* = NULL */,
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| − | struct vodi_vpw_princ_param *aParm,
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| − | struct aorp_error *anErrPtr /* = NULL */
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| − | );
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| − | </syntaxhighlight>
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| − | | |
| − | :'''DESCRIPTION'''
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| − | | |
| − | ::Function VpwprincOpen opens principal and sets on itaResultRef pointer.
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| − | | |
| − | ::Flags argument allows managing the process of object configuration. 0 can be passed by default.
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| − | | |
| − | ::With aMemory argument we can pass pointer to memory where object will be created. NULL can be passed by default. In this case the constructor will itself allocate memory for the objects.
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| − | | |
| − | ::With aParm argument we should pass initial parameters for the principal’s work. More detailed information can be found in the description of the VodiprincSetparam function.
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| − | | |
| − | ::vodi_vpw_princ_param structure contains the following fields:
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| − | | |
| − | {| class = "wikitable"
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| − | |-
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| − | |enable
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| − | |Equivalent of the VodiCTL_VPW_PRINCIPAL_ENABLE.
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| − | |-
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| − | |thread_max
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| − | |Maximum number of recognition threads that if necessary, are created during work. Value 0 is equivalent to 1 (1 thread). Setting the value larger than number of cores with consideration of Hyper Threading is not recommended.
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| − | |-
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| − | |image_width
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| − | |Equivalent VodiCTL_VPW_IMAGE_WIDTH.
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| − | |-
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| − | |image_height
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| − | |Equivalent VodiCTL_VPW_IMAGE_HEIGHT.
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| − | |-
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| − | |image_brightnes
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| − | |Equivalent VodiCTL_VPW_IMAGE_BRIGHTNES.
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| − | |-
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| − | |image_contrast
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| − | |Equivalent VodiCTL_VPW_IMAGE_CONTRAST.
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| − | |-
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| − | |image_blur
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| − | |EquivalentVodiCTL_VPW_IMAGE_BLUR.
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| − | |-
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| − | |image_treshold
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| − | |Equivalent VodiCTL_VPW_IMAGE_THRESHOLD.
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| − | |-
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| − | |image_reversed
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| − | |Deprecated. Should be set to 0.
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| − | |-
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| − | |image_angle
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| − | |Equivalent VodiCTL_VPW_IMAGE_ANGLE.
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| − | |-
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| − | |analysed_zone
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| − | |Equivalent VodiCTL_VPW_IMAGE_ANALYSE_ZONE.
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| − | |-
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| − | |analysed_zone_count
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| − | |Current number of elements in the analysed_zone array.
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| − | |-
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| − | |plate_size_max
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| − | |EquivalentVodiCTL_VPW_PLATE_SIZE_MAX.
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| − | |-
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| − | |plate_size_min
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| − | |Equivalent VodiCTL_VPW_PLATE_SIZE_MIN.
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| − | |-
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| − | |plate_inverse_analyse
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| − | |Equivalent VodiCTL_VPW_PLATE_INVERSE_ANALYSE.
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| − | |-
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| − | |plate_probability_min
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| − | |Equivalent VodiCTL_VPW_PLATE_PROBABILITY_MIN.
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| − | |-
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| − | |plate_star_max
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| − | |Equivalent VodiCTL_VPW_PLATE_STAR_MAX.
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| − | |-
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| − | |md_enable
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| − | |Deprecated. Should be set to 0.
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| − | |-
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| − | |md_cell_size
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| − | |Deprecated.Should be set to 0.
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| − | |-
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| − | |md_threshold
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| − | |Deprecated. Should be set to 0.
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| − | |-
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| − | |md_square_min
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| − | |Deprecated. Should be set to 0.
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| − | |-
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| − | |md_mask Deprecated.
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| − | |Should be set to NULL.
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| − | |-
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| − | |md_mask_h_size
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| − | |Deprecated. Should be set to 0.
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| − | |-
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| − | |md_mask_v_size
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| − | |Deprecated. Should be set to 0.
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| − | |-
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| − | |dynamic_enable
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| − | |Equivalent VodiCTL_VPW_DYNAMIC_ENABLE.
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| − | |-
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| − | |log_settings
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| − | |Equivalent VodiCTL_VPW_LOG_SETTINGS.
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| − | |}
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| − | | |
| − | :'''RETURN VALUES'''
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| − | | |
| − | ::In case of success, the VpwprincOpen function sets aResultRef pointer to the created object. Otherwise, the function sets the aResultRef pointer to NULL as the status of an error and fills the description in the structure specified by the anErrPtr argument.
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| − | | |
| − | ====AorpRetain====
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| − | | |
| − | :'''NAME'''
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| − | | |
| − | ::AorpRetain - captures AORP object.
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| − | | |
| − | :'''SYNTAX'''
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| − | | |
| − | <syntaxhighlight lang="c">
| |
| − | #include <Bo/services/Ucntl.h>
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| − | | |
| − | ssize_t
| |
| − | __attribute__((nonnull(1))
| |
| − | AorpRetain(
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| − | aorp_object_t aThis,
| |
| − | struct aorp_error *anErrPtr /* = NULL */
| |
| − | );
| |
| − | </syntaxhighlight>
| |
| − | | |
| − | :'''DESCRIPTION'''
| |
| − | | |
| − | :: The AorpRetain function captures AORP object passed by the aThis argument. The result is the number of links to the object.
| |
| − | | |
| − | :'''RETURN VALUES'''
| |
| − | | |
| − | ::In case of success, the AorpRetain function returns value greater or equal to 0.Otherwise, the function returns negative value as the status of an error and fills the description in the structure specified by the anErrPtr argument.
| |
| − | | |
| − | ====AorpRelease====
| |
| − | | |
| − | :'''NAME'''
| |
| − | | |
| − | ::AorpRelease - releases AORP object.
| |
| − | | |
| − | :'''SYNTAX'''
| |
| − | <syntaxhighlight lang="c">
| |
| − | #include <Bo/services/Ucntl.h>
| |
| − | | |
| − | ssize_t
| |
| − | __attribute__((nonnull(1))
| |
| − | AorpRelease(
| |
| − | aorp_object_t aThis,
| |
| − | aorp_opflags_t Flags /* = 0 */,
| |
| − | struct aorp_error *anErrPtr /* = NULL */
| |
| − | );
| |
| − | </syntaxhighlight>
| |
| − | | |
| − | :'''DESCRIPTION'''
| |
| − | | |
| − | ::The AorpRelease function releases AORP object passed by the aThis argument.
| |
| − | | |
| − | :'''RETURN VALUES'''
| |
| − | | |
| − | ::In case of success, the AorpRelease function returns the remaining number of references to the object. If the function returns 0, it means that the object was destroyed as a result of function’s work. Otherwise, the function returns a negative value as an error status and fills the description in the structure specified by the anErrPtr argument.
| |
| − | | |
| − | ====VodiprincGetparam====
| |
| − | | |
| − | :'''NAME'''
| |
| − | | |
| − | VodiprincGetparam – get the parameter.
| |
| − | | |
| − | :'''SYNTAX'''
| |
| − | | |
| − | <syntaxhighlight lang="c">
| |
| − | #include <Vodi/services/Vodiprinc.h>
| |
| − | | |
| − | bo_status_t
| |
| − | __attribute__((nonnull(1))
| |
| − | VodiprincGetparam(
| |
| − | aorp_object_t aThis,
| |
| − | struct aorp_error *anErrPtr /* = NULL */,
| |
| − | int aParam,
| |
| − | ...
| |
| − | );
| |
| − | </syntaxhighlight>
| |
| − | | |
| − | :'''DESCRIPTION'''
| |
| − | | |
| − | ::The VodiprincGetparam function returns a value of the parameter specified by the aParam argument. Depending on the type of the parameter, additional pointers may be passed to the function, which will store the current value of the parameter.
| |
| − | | |
| − | ::For more details on available parameters, see the section describing the VodiprincSetparam function.
| |
| − | | |
| − | :'''RETURN VALUES'''
| |
| − | | |
| − | ::In case of success, the VodiprincGetparam function returns current value of the parameter that is greater than or equal to 0. Depending on the type of the parameter, additional pointers may be passed to the function, which will store the current value of the parameter.
| |
| − | | |
| − | ::Otherwise, the function returns a negative value as an error status and fills the description in the structure specified by the anErrPtr argument.
| |
| − | | |
| − | ====VodiprincSetparam====
| |
| − | | |
| − | :'''NAME'''
| |
| − | | |
| − | ::VodiprincSetparam – set the parameter.
| |
| − | | |
| − | :'''SYNTAX'''
| |
| − | | |
| − | <syntaxhighlight lang="c">
| |
| − | #include <Vodi/services/Vodiprinc.h>
| |
| − | | |
| − | bo_status_t
| |
| − | __attribute__((nonnull(1))
| |
| − | VodiprincSetparam(
| |
| − | aorp_object_t aThis,
| |
| − | struct aorp_error *anErrPtr /* = NULL */,
| |
| − | int aParam,
| |
| − | ...
| |
| − | );
| |
| − | </syntaxhighlight>
| |
| − | | |
| − | :'''DESCRIPTION'''
| |
| − | | |
| − | ::The VodiprincSetparam function sets value to the parameter specified by the aParam parameter. Depending on the type of the parameter, additional arguments for setting the value may be passed to the function.
| |
| − | | |
| − | ::Available parameters:
| |
| − | | |
| − | {| class = "wikitable"
| |
| − | |-
| |
| − | |VodiCTL_VPW_PRINCIPAL_ENABLE
| |
| − | |Enable/disable recognition. Type - int(boolean).
| |
| − | |-
| |
| − | |VodiCTL_VPW_PLATE_INVERSE_ANALYSE
| |
| − | |Enable/disable inversepicture analysis. Type - int(boolean).
| |
| − | |-
| |
| − | |VodiCTL_VPW_PLATE_PROBABILITY_MIN
| |
| − | |The minimum value of the special characteristic of the number plate to be so. Type - unsigned.
| |
| − | |-
| |
| − | |VodiCTL_VPW_PLATE_STAR_MAX
| |
| − | |The maximum number of unrecognized characters in the number plate to be so. Type - unsigned.
| |
| − | |-
| |
| − | |VodiCTL_VPW_PLATE_SIZE_MAX
| |
| − | |Maximum width of the number plate (in pixels) to be so.Type - unsigned.
| |
| − | |-
| |
| − | |VodiCTL_VPW_PLATE_SIZE_MIN
| |
| − | |Minimum width of the number plate (in pixels) to be so. Type - unsigned.
| |
| − | |-
| |
| − | |VodiCTL_VPW_ PLATE_EXTRA_ANGLE_ANALYSE
| |
| − | |Enable/disable the algorithm of processing the number plate image perspective. Type - int(boolean).
| |
| − | |-
| |
| − | |VodiCTL_VPW_PLATE_FILTER_ROFACTOR
| |
| − | |Coefficient of number plate filtration by the image density (first strategy). Type - unsigned.
| |
| − | |-
| |
| − | |VodiCTL_VPW_ PLATE_FILTER_RODROPFACTOR
| |
| − | |Coefficient of number plate filtration by the image density (second strategy). Type- unsigned.
| |
| − | |-
| |
| − | |VodiCTL_VPW_ PLATE_IMAGE_SCALE_FACTOR
| |
| − | |Coefficient of the imagesize change for further search of the number plates. Mutually exclusive with the VodiCTL_VPW_PLATE_IMAGE_SIZE parameter. Type – struct vodi_scale_factor *.
| |
| − | |-
| |
| − | |VodiCTL_VPW_PLATE_IMAGE_SIZE
| |
| − | |Necessary size of the image for further search of the number plates. Mutually exclusive with the VodiCTL_VPW_PLATE_IMAGE_SCALE_FACTOR parameter. Type - struct vodi_size *.
| |
| − | |-
| |
| − | |VodiCTL_VPW_PLATE_TEMPLATE
| |
| − | |Enable/disable the template indicated by the first argument. The second argument defines what is needed to be done (0 - disable,!0 - enable). Type of the first argument – struct vodi_vpw_country_id *. Type of the second argument - int(boolean).
| |
| − | |-
| |
| − | |VodiCTL_VPW_PLATE_FILTER_SYMCOUNT
| |
| − | |Enable/disable simple filtering algorithm of the number plate by the minimum number of possible characters in it. Type - int(boolean).
| |
| − | |-
| |
| − | |VodiCTL_VPW_IMAGE_WIDTH
| |
| − | |Width (inpixels) of the current analyzed image. Type- unsigned.
| |
| − | |-
| |
| − | |VodiCTL_VPW_IMAGE_HEIGHT
| |
| − | |Height (in pixels) of the current analyzed image. Type - unsigned.
| |
| − | |-
| |
| − | |VodiCTL_VPW_IMAGE_BRIGHTNES
| |
| − | |Prior to analysis image brightness adjustment. Is used in case of insufficient or excessive brightness. Type – int. Range of values– [-100, 100].
| |
| − | |-
| |
| − | |VodiCTL_VPW_IMAGE_CONTRAST
| |
| − | |Prior to analysis image contrast adjustment. Is used in case of insufficient or excessive contrast.Type – int. Range of values-[-100, 100].
| |
| − | |-
| |
| − | |VodiCTL_VPW_IMAGE_BLUR
| |
| − | |The recommended value is 13. Used for inner needs. Type – int.
| |
| − | |-
| |
| − | |VodiCTL_VPW_IMAGE_THRESHOLD
| |
| − | |The recommended value is 21. The binarization threshold of color pixels into black and white.Used for inner needs. Type – unsigned.
| |
| − | |-
| |
| − | |VodiCTL_VPW_IMAGE_ANALYSE_ZONE
| |
| − | |Detection zone array where presumably a number plate will appear. Type of the first argument– struct void_rect *. Type of the second argument– unsigned.
| |
| − | |-
| |
| − | |VodiCTL_VPW_IMAGE_AZONE_MASK
| |
| − | |Image-mask of the analysis zone. Type - struct vodi_image *.
| |
| − | |-
| |
| − | |VodiCTL_VPW_IMAGE_ANGLE
| |
| − | |Rotation of the original image by the angle (i.e., the entire image is rotated by an angle that would make orientation of number plates horizontal before analysis). Type – int. Range of values - [-180, 180].
| |
| − | |-
| |
| − | |VodiCTL_VPW_DYNAMIC_ENABLE
| |
| − | |Enable/disable “dynamic”mode. Type– int(boolean).
| |
| − | |-
| |
| − | |VodiCTL_VPW_DYNAMIC_OUTPUT_TIMEOUT
| |
| − | |Minimum time (in microseconds) of the number plate monitoring necessary before it can be given out to the user. Type - bo_usec_t.
| |
| − | |-
| |
| − | |VodiCTL_VPW_DYNAMIC_OUTPUT_PERIOD
| |
| − | |Time period (in microseconds) during which number plate is given out to the user. This option only takes place when VodiCTL_VPW_DYNAMIC_WITH_DUPLICATE parameter is set. Type - bo_usec_t.
| |
| − | |-
| |
| − | |VodiCTL_VPW_DYNAMIC_WITH_DUPLICATE
| |
| − | |Enable/disable periodic giving out of the number plates to the user. Type - int(boolean).
| |
| − | |-
| |
| − | |VodiCTL_VPW_ DYNAMIC_DURATION_WITHOUT_ACCESS
| |
| − | |Maximum time (in microseconds) during which the number plate is not being monitored. In the event when this time is exceeded,the number plate is considered lost and is given out to the user with VodiF_RESULT_LOSTflag. Type - bo_usec_t.
| |
| − | |-
| |
| − | |VodiCTL_VPW_LOG_SETTINGS
| |
| − | |Enable/disable writing into the log file list of all the recognition parameters. Type – int(boolean).
| |
| − | |}
| |
| − | | |
| − | :'''RETURN VALUES'''
| |
| − | | |
| − | ::In case of success, the VodiprincSetparam function returns value greater than or equal to 0. Otherwise, the function returns a negative value as an error status and fills the description in the structure specified by the anErrPtr argument.
| |
| − | | |
| − | ====VodiprincApplyparam====
| |
| − | | |
| − | :'''NAME'''
| |
| − | | |
| − | ::VodiprincApplyparam – apply parameters.
| |
| − | | |
| − | :'''SYNTAX'''
| |
| − | | |
| − | <syntaxhighlight lang="c">
| |
| − | #include <Vodi/services/Vodiprinc.h>
| |
| − | | |
| − | bo_status_t
| |
| − | __attribute__((nonnull(1))
| |
| − | VodiprincApplyparam(
| |
| − | aorp_object_taThis,
| |
| − | struct aorp_error *anErrPtr /* = NULL */
| |
| − | );
| |
| − | </syntaxhighlight>
| |
| − | | |
| − | :'''DESCRIPTION'''
| |
| − | | |
| − | ::The VodiprincApplyparam function applies parameters set by the VodiprincSetparam function.
| |
| − | | |
| − | :'''RETURN VALUES'''
| |
| − | | |
| − | ::In case of success, the VodiprincApplyparam function returns value greater than or equal to 0. Otherwise, the function returns a negative value as an error status and fills the description in the structure specified by the anErrPtr argument.
| |
| − | | |
| − | ====VodiprincProcess ====
| |
| − | | |
| − | :'''NAME'''
| |
| − | | |
| − | ::VodiprincProcess – analyze the image.
| |
| − | | |
| − | :'''SYNTAX'''
| |
| − | | |
| − | <syntaxhighlight lang="c">
| |
| − | #include <Vodi/services/Vodiprinc.h>
| |
| − | | |
| − | bo_status_t
| |
| − | __attribute__((nonnull(1,2,7,8))
| |
| − | VodiprincProcess(
| |
| − | aorp_object_taThis,
| |
| − | struct vodi_image *anImage,
| |
| − | size_t anAnalizeZonec /* = 0 */,
| |
| − | struct vodi_rect const anAnalizeZonev[] /* = NULL */,
| |
| − | struct vodi_ucontext const *anUserCtx /* = NULL */,
| |
| − | aorp_object_t anInputEnsemble /* = NULL */,
| |
| − | aorp_object_t *anOutputEnsemblePtr,
| |
| − | void *Options,
| |
| − | struct aorp_error *anErrPtr /* = NULL */
| |
| − | );
| |
| − | </syntaxhighlight>
| |
| − | | |
| − | :'''DESCRIPTION'''
| |
| − | | |
| − | ::The VodiprincProcess function analyzes the image passed by the anImage parameter.
| |
| − | | |
| − | ::You can specify a rectangular area of the image where the function will perform the analysis. The number of such areas is specified by the anAnalizeZonec argument, and a pointer to an array of prepared rectangles is specified by the anAnalizeZonev argument. If 0 is passed as a number of areas,then the anAnalizeZonev argument is ignored, and the entire image will be analyzed.
| |
| − | | |
| − | ::Through the anUserCtx user context can be passed, which will be linked with each analysis result. Detailed information about user context can be found in the section about struct vodi_ucontext.
| |
| − | | |
| − | ::Each analysis result is stored in the ensemble, which can be passed by the anInputEnsemble argument. If the anInputEnsemble is NULL, then a new ensemble will be created.
| |
| − | | |
| − | ::Ensemble with analysis results is passed by the output argument anOutputEnsemblePtr.
| |
| − | | |
| − | ::For analysis/search of number, an additional parameter should be passed by the Optionsargument. In this case, the pointer must be on the struct void_vpw_options. Detailed information about the structure of the parameters can be found in the relevant section.
| |
| − | | |
| − | :'''RETURN VALUES'''
| |
| − | | |
| − | ::In case of success, the VodiprincProcess function returns value greater than or equal to 0. Otherwise, the function returns a negative value as an error status and fills the description in the structure specified by the anErrPtr argument.
| |
| − | | |
| − | ====VodiprincFlush====
| |
| − | | |
| − | :'''NAME'''
| |
| − | | |
| − | ::VodiprincFlush – flush inner buffers.
| |
| − | | |
| − | :'''SYNTAX'''
| |
| − | | |
| − | <syntaxhighlight lang="c">
| |
| − | #include <Vodi/services/Vodiprinc.h>
| |
| − | | |
| − | bo_status_t
| |
| − | __attribute__((nonnull(1,3))
| |
| − | VodiprincFlush(
| |
| − | aorp_object_t aThis,
| |
| − | aorp_object_t anInputEnsemble /* = NULL */,
| |
| − | aorp_object_t *anOutputEnsemblePtr,
| |
| − | struct aorp_error *anErrPtr /* = NULL */
| |
| − | );
| |
| − | </syntaxhighlight>
| |
| − | | |
| − | :'''DESCRIPTION'''
| |
| − | | |
| − | ::The VodiprincFlush function flushes inner buffers with analysis results in the “dynamic” mode.
| |
| − | | |
| − | ::Each result from the buffer is stored in the ensemble, which can be passed by the anInputEnsemble argument. If the anInputEnsemble is NULL, then a new ensemble will be created.
| |
| − | | |
| − | ::The results ensemble is passed by the output argument anOutputEnsemblePtr.
| |
| − | | |
| − | :'''RETURN VALUES'''
| |
| − | | |
| − | ::In case of success, the VodiprincFlush function returns value greater than or equal to 0. Otherwise, the function returns a negative value as an error status and fills the description in the structure specified by the anErrPtr argument.
| |
| − | | |
| − | ====VodiensCount====
| |
| − | | |
| − | :'''NAME'''
| |
| − | | |
| − | ::VodiensCount – number of results in the ensemble.
| |
| − | | |
| − | :'''SYNTAX'''
| |
| − | | |
| − | <syntaxhighlight lang="c">
| |
| − | #include <Vodi/services/Vodiens.h>
| |
| − | | |
| − | ssize_t
| |
| − | __attribute__((nonnull(1))
| |
| − | VodiensCount(
| |
| − | aorp_object_t aThis,
| |
| − | struct aorp_error *anErrPtr /* = NULL */
| |
| − | );
| |
| − | </syntaxhighlight>
| |
| − | | |
| − | :'''RETURN VALUES'''
| |
| − | | |
| − | ::In case of success, the VodiensCount function returns the number of results in the ensemble.Otherwise, the function returns a negative value as an error status and fills the description in the structure specified by the anErrPtr argument.
| |
| − | | |
| − | ====VodiensClear====
| |
| − | | |
| − | :'''NAME'''
| |
| − | | |
| − | ::VodiensClear – clear the ensemble.
| |
| − | | |
| − | :'''SYNTAX'''
| |
| − | | |
| − | <syntaxhighlight lang="c">
| |
| − | #include <Vodi/services/Vodiens.h>
| |
| − | | |
| − | bo_status_t
| |
| − | __attribute__((nonnull(1))
| |
| − | VodiensClear(
| |
| − | aorp_object_t aThis,
| |
| − | struct aorp_error *anErrPtr /* = NULL */
| |
| − | );
| |
| − | </syntaxhighlight>
| |
| − | | |
| − | :'''DESCRIPTION'''
| |
| − | | |
| − | ::The VodiensClear function clears the ensemble passed by the aThis argument.In this case, the AorpRelease function is applied to all results in the ensemble.
| |
| − | | |
| − | :'''RETURN VALUES'''
| |
| − | | |
| − | ::In case of success, theVodiensClearfunction returns value greater than or equal to 0.Otherwise, the function returns a negative value as an error status and fills the description in the structure specified by the anErrPtr argument.
| |
| − | | |
| − | ===VodiensAdd===
| |
| − | | |
| − | :'''NAME'''
| |
| − | | |
| − | ::VodiensAdd – add the result.
| |
| − | | |
| − | :'''SYNTAX'''
| |
| − | | |
| − | <syntaxhighlight lang="c">
| |
| − | #include <Vodi/services/Vodiens.h>
| |
| − | | |
| − | bo_status_t
| |
| − | __attribute__((nonnull(1,2))
| |
| − | VodiensAdd(
| |
| − | aorp_object_taThis,
| |
| − | aorp_object_taResult,
| |
| − | struct aorp_error *anErrPtr /* = NULL */
| |
| − | );
| |
| − | </syntaxhighlight>
| |
| − | | |
| − | :'''DESCRIPTION'''
| |
| − | | |
| − | ::The VodiensAdd function adds the result passed by the aResultargument to the ensemble of the aThis argument.In this case, the AorpRetain function is applied for results.
| |
| − | | |
| − | :'''RETURN VALUES'''
| |
| − | | |
| − | ::In case of success, the VodiensAdd function returns value greater than or equal to 0.Otherwise, the function returns a negative value as an error status and fills the description in the structure specified by the anErrPtr argument.
| |
| − | | |
| − | ====VodiensRemove====
| |
| − | | |
| − | :'''NAME'''
| |
| − | | |
| − | ::VodiensRemove – remove the result.
| |
| − | | |
| − | :'''SYNTAX'''
| |
| − | | |
| − | <syntaxhighlight lang="c">
| |
| − | #include <Vodi/services/Vodiens.h>
| |
| − | | |
| − | bo_status_t
| |
| − | __attribute__((nonnull(1,3))
| |
| − | VodiensRemove(
| |
| − | aorp_object_taThis,
| |
| − | bo_index_tanIndex,
| |
| − | aorp_object_t *aResultPtr,
| |
| − | struct aorp_error *anErrPtr /* = NULL */
| |
| − | );
| |
| − | </syntaxhighlight>
| |
| − | | |
| − | :'''DESCRIPTION'''
| |
| − | | |
| − | ::The VodiensRemove function removes results from the ensemble.
| |
| − | | |
| − | ::The index of the result that should be removed from the ensemble is specified by the anIndex argument (indexes start from 0).If a negative value is passed, the selection of the result will be performed from the end of the ensemble.
| |
| − | | |
| − | ::Removed result is stored in the output argument aResultPtr.
| |
| − | | |
| − | ::The AorpRetain/AorpRelease functions are not applied to the removed result.
| |
| − | | |
| − | :'''RETURN VALUES'''
| |
| − | | |
| − | ::In case of success, the VodiensRemove function returns value greater than or equal to 0. Otherwise, the function returns a negative value as an error status and fills the description in the structure specified by the anErrPtr argument.
| |
| − | | |
| − | ====VodiensDelete====
| |
| − | | |
| − | :'''NAME'''
| |
| − | | |
| − | ::VodiensDelete – delete the result.
| |
| − | | |
| − | :'''SYNTAX'''
| |
| − | | |
| − | <syntaxhighlight lang="c">
| |
| − | #include <Vodi/services/Vodiens.h>
| |
| − | | |
| − | bo_status_t
| |
| − | __attribute__((nonnull(1))
| |
| − | VodiensDelete(
| |
| − | aorp_object_t aThis,
| |
| − | bo_index_t anIndex,
| |
| − | struct aorp_error *anErrPtr /* = NULL */
| |
| − | );
| |
| − | </syntaxhighlight>
| |
| − | | |
| − | :'''DESCRIPTION'''
| |
| − | | |
| − | ::The VodiensDelete function deletes results from the ensemble.
| |
| − | | |
| − | ::The index of the result that should be deleted from the ensemble is specified by the anIndex argument (indexes start from 0).If a negative value is passed, the selection of the result will be performed from the end of the ensemble.
| |
| − | | |
| − | ::The AorpRelease function will be applied to the selected result.
| |
| − | | |
| − | :'''RETURN VALUES'''
| |
| − | | |
| − | ::In case of success, the VodiensDelete function returns value greater than or equal to 0.Otherwise, the function returns a negative value as an error status and fills the description in the structure specified by the anErrPtr argument.
| |
| − | | |
| − | ====VodiensGet ====
| |
| − | | |
| − | :'''NAME'''
| |
| − | | |
| − | ::VodiensGet – get the result.
| |
| − | | |
| − | :'''SYNTAX'''
| |
| − | | |
| − | <syntaxhighlight lang="c">
| |
| − | #include <Vodi/services/Vodiens.h>
| |
| − | | |
| − | ssize_t
| |
| − | __attribute__((nonnull(1))
| |
| − | VodiensGet(
| |
| − | aorp_object_t aThis,
| |
| − | bo_index_t aFrom,
| |
| − | bo_index_t aTo,
| |
| − | size_t aCount,
| |
| − | aorp_object_t aResultv[],
| |
| − | struct aorp_error *anErrPtr /* = NULL */
| |
| − | );
| |
| − | </syntaxhighlight>
| |
| − | | |
| − | :'''DESCRIPTION'''
| |
| − | | |
| − | ::The VodiensGet function selects results from the ensemble passed by the aThis argument.
| |
| − | | |
| − | ::Results are selected from the specified by the indexes [aFrom, aTo] range. Index with negative value points to the element located from the end of the ensemble.
| |
| − | | |
| − | ::The maximum number of the results that can be stored in the buffer is specified by the aCount argument. No error is produced, if the chosen number of results is greater than can be stored.
| |
| − | | |
| − | ::The AorpRetain/AorpRelease functions are not applied to the selected results.
| |
| − | | |
| − | :'''RETURN VALUES'''
| |
| − | | |
| − | ::In case of success, the VodiensGet function returns selected number of the results (may be greater than specified in the aCount argument). Otherwise, the function returns a negative value as an error status and fills the description in the structure specified by the anErrPtr argument.
| |
| − | | |
| − | ====VodiensUnique====
| |
| − | | |
| − | :'''NAME'''
| |
| − | | |
| − | ::VodiensUnique – unique results.
| |
| − | | |
| − | :'''SYNTAX'''
| |
| − | | |
| − | <syntaxhighlight lang="c">
| |
| − | #include <Vodi/services/Vodiens.h>
| |
| − | | |
| − | ssize_t
| |
| − | __attribute__((nonnull(1,2))
| |
| − | VodiensUnique(
| |
| − | aorp_object_t aThis,
| |
| − | aorp_object_t aPrincipal,
| |
| − | struct aorp_error *anErrPtr /* = NULL */
| |
| − | );
| |
| − | </syntaxhighlight>
| |
| − | | |
| − | :'''DESCRIPTION'''
| |
| − | | |
| − | ::The VodiensUnique function leaves only unique results in the ensemble passed by the aThis argument.
| |
| − | | |
| − | ::The aPrincipal argument should point to the principal with the help of which the given operation will be performed.
| |
| − | | |
| − | :'''RETURN VALUES'''
| |
| − | | |
| − | ::In case of success, the VodiensUnique function returns the number of the remaining results. Otherwise, the function returns a negative value as an error status and fills the description in the structure specified by the anErrPtr argument.
| |
| − | | |
| − | ====VodiensCombine====
| |
| − | | |
| − | :'''NAME'''
| |
| − | | |
| − | ::VodiensCombine – join the results.
| |
| − | | |
| − | :'''SYNTAX'''
| |
| − | | |
| − | <syntaxhighlight lang="c">
| |
| − | #include <Vodi/services/Vodiens.h>
| |
| − | | |
| − | ssize_t
| |
| − | __attribute__((nonnull(1,2))
| |
| − | VodiensCombine(
| |
| − | aorp_object_t aThis,
| |
| − | aorp_object_t aPrincipal,
| |
| − | int anWithMerge,
| |
| − | size_t anEnsc,
| |
| − | aorp_object_t anEnsv[],
| |
| − | struct aorp_error *anErrPtr /* = NULL */
| |
| − | );
| |
| − | </syntaxhighlight>
| |
| − | | |
| − | :'''DESCRIPTION'''
| |
| − | | |
| − | ::The VodiensCombine function joins ensembles into one resulting passed by the aThis argument.
| |
| − | | |
| − | ::The aPrincipal argument should point to the principal with the help of which the given operation will be performed.
| |
| − | | |
| − | ::In case the value of the anWithMerge argument is 0, function will leave only unique results.
| |
| − | | |
| − | ::The number and array of ensembles for joining are defined by the anEnscandanEnsv arguments accordingly. Results from given ensembles will be deleted.
| |
| − | | |
| − | :'''RETURN VALUES'''
| |
| − | | |
| − | ::In case of success, the VodiensCombine function returns the number of the remaining results. Otherwise, the function returns a negative value as an error status and fills the description in the structure specified by the anErrPtr argument.
| |
| − | | |
| − | ====VodiensCombine_v2====
| |
| − | | |
| − | :'''NAME'''
| |
| − | | |
| − | ::VodiensCombine_v2 – join the results.
| |
| − | | |
| − | :'''SYNTAX'''
| |
| − | | |
| − | <syntaxhighlight lang="c">
| |
| − | #include <Vodi/services/Vodiens.h>
| |
| − | | |
| − | ssize_t
| |
| − | __attribute__((nonnull(1,2))
| |
| − | VodiensCombine_v2(
| |
| − | aorp_object_t aThis,
| |
| − | aorp_object_t aPrincipal,
| |
| − | aorp_opflags_t Flags,
| |
| − | size_t anEnsc,
| |
| − | aorp_object_t anEnsv[],
| |
| − | struct aorp_error *anErrPtr /* = NULL */
| |
| − | );
| |
| − | </syntaxhighlight>
| |
| − | | |
| − | :'''DESCRIPTION'''
| |
| − | | |
| − | ::The VodiensCombine_v2 function joins ensembles into one resulting ensemble passed by the aThis argument.
| |
| − | | |
| − | ::The aPrincipal argument should point to the principal with the help of which the given operation will be performed.
| |
| − | | |
| − | ::The number and array of ensembles for joining are defined by the anEnscandanEnsv arguments accordingly. Results from given ensembles will be deleted.
| |
| − | | |
| − | ::The following flags may be passed into the operation by the Flags argument:
| |
| − | | |
| − | {| class = "wikitable"
| |
| − | |-
| |
| − | |VodiensF_COMBINE_WITH_MERGE
| |
| − | |Leave only unique results.
| |
| − | |-
| |
| − | |VodiensF_COMBINE_WITH_DUP
| |
| − | |Do not delete results from ensembles passed by the anEnsv argument, make their copies.
| |
| − | |}
| |
| − | | |
| − | :'''RETURN VALUES'''
| |
| − | | |
| − | ::In case of success, the VodiensCombine_v2 function returns the number of the remaining results. Otherwise, the function returns a negative value as an error status and fills the description in the structure specified by the anErrPtr argument.
| |
| − | | |
| − | ====VodiresGetuserdata====
| |
| − | | |
| − | :'''NAME'''
| |
| − | | |
| − | ::VodiresGetuserdata – get user context.
| |
| − | | |
| − | :'''SYNTAX'''
| |
| − | | |
| − | <syntaxhighlight lang="c">
| |
| − | #include <Vodi/services/Vodires.h>
| |
| − | | |
| − | bo_status_t
| |
| − | __attribute__((nonnull(1,2))
| |
| − | VodiresGetuserdata(
| |
| − | aorp_object_t aThis,
| |
| − | struct vodi_ucontext *anUserCtx,
| |
| − | struct aorp_error *anErrPtr /* = NULL */
| |
| − | );
| |
| − | </syntaxhighlight>
| |
| − | | |
| − | :'''DESCRIPTION'''
| |
| − | | |
| − | ::VodiresGetuserdata function return user context, writing it by pointer anUserCtx.
| |
| − | | |
| − | ::VODI_UCONTEXT_DRetain operation doesn’t apply to the user context.
| |
| − | | |
| − | :'''RETURN VALUES'''
| |
| − | ::In case of success, VodiresGetuserdata function returns value above or equal 0.Otherwise, the function returns a negative value as an error status and fills the description in the structure specified by the anErrPtr argument.
| |
| − | | |
| − | ====VodiresSetuserdata====
| |
| − | | |
| − | :'''NAME'''
| |
| − | | |
| − | ::VodiresSetuserdata – set user context.
| |
| − | | |
| − | :'''SYNTAX'''
| |
| − | | |
| − | <syntaxhighlight lang="c">
| |
| − | #include <Vodi/services/Vodires.h>
| |
| − | | |
| − | bo_status_t
| |
| − | __attribute__((nonnull(1,2))
| |
| − | VodiresSetuserdata(
| |
| − | aorp_object_t aThis,
| |
| − | struct vodi_ucontext *anUserCtx,
| |
| − | struct aorp_error *anErrPtr /* = NULL */
| |
| − | );
| |
| − | </syntaxhighlight>
| |
| − | | |
| − | :'''DESCRIPTION'''
| |
| − | | |
| − | ::VodiresSetuserdata function sets user context transmitted by argument anUserCtx.
| |
| − | | |
| − | ::VODI_UCONTEXT_DRetain operation applies to the user contex.
| |
| − | | |
| − | :'''RETURN VALUES'''
| |
| − | | |
| − | ::In case of success,VodiresSetuserdata function returns value above or equal 0. Otherwise, the function returns a negative value as an error status and fills the description in the structure specified by the anErrPtr argument.
| |
| − | | |
| − | ====VodiresFetchinfo====
| |
| − | | |
| − | :'''NAME'''
| |
| − | | |
| − | ::VodiresFetchinfo – read the information.
| |
| − | | |
| − | :'''SYNTAX'''
| |
| − | | |
| − | <syntaxhighlight lang="c">
| |
| − | #include <Vodi/services/Vodires.h>
| |
| − | | |
| − | bo_status_t
| |
| − | __attribute__((nonnull(1,2))
| |
| − | VodiresFetchinfo(
| |
| − | aorp_object_t aThis,
| |
| − | struct vodi_result_info *anInfo,
| |
| − | struct aorp_error *anErrPtr /* = NULL */
| |
| − | );
| |
| − | </syntaxhighlight>
| |
| − | | |
| − | :'''DESCRIPTION'''
| |
| − | | |
| − | ::VodiresFetchinfo function reads the information about result to buffer, specified by anInfo argument.
| |
| − | | |
| − | ::It demands, that ri_typefield of anInfo argument was determined. There are available the following values:
| |
| − | | |
| − | {| class = "wikitable"
| |
| − | |-
| |
| − | |VodiK_VPW_RESULT_INFO
| |
| − | |The information about number. anInfo must point to the vodi_vpw_result_info structure.
| |
| − | |-
| |
| − | |VodiK_FCW_RESULT_INFO
| |
| − | |Reserved.
| |
| − | |}
| |
| − |
| |
| − | ::User must destroy the information that was written to buffer specified by an Info parameter by calling VodiResultInfoDestroy function for it.
| |
| − | | |
| − | :'''RETURN VALUES'''
| |
| − | | |
| − | ::In case of success, VodiresFetchinfo function returns value above or equal 0. Otherwise, the function returns a negative value as an error status and fills the description in the structure specified by the anErrPtr argument.
| |
| − | | |
| − | ====VodiResultInfoDestroy====
| |
| − | | |
| − | :'''NAME'''
| |
| − | | |
| − | ::VodiResultInfoDestroy–destroy information about result.
| |
| − | | |
| − | :'''SYNTAX'''
| |
| − | | |
| − | <syntaxhighlight lang="c">
| |
| − | #include <Vodi/Vodilib.h>
| |
| − | | |
| − | void
| |
| − | __attribute__((nonnull(1))
| |
| − | VodiResultInfoDestroy(
| |
| − | struct vodi_result_info *anInfo
| |
| − | );
| |
| − | </syntaxhighlight>
| |
| − | | |
| − | :'''DESCRIPTION'''
| |
| − | | |
| − | ::VodiResultInfoDestroy function destroys information about result, specified by anInfo argument. It uses in pair with VodiresFetchinfo function.
| |
| − | | |
| − | ====struct void_vpw_country_id====
| |
| − | | |
| − | :'''NAME'''
| |
| − | | |
| − | ::struct vodi_vpw_country_id - identifier of the number plate template.
| |
| − | | |
| − | :'''SYNTAX'''
| |
| − | | |
| − | <syntaxhighlight lang="c">
| |
| − | #include <Vodi/Vpwtypes.h>
| |
| − | | |
| − | struct vodi_vpw_country_id {
| |
| − | unsigned int code;
| |
| − | unsigned int id;
| |
| − | unsigned intsub_id;
| |
| − | };
| |
| − | </syntaxhighlight>
| |
| − | | |
| − | :'''DESCRIPTION'''
| |
| − | | |
| − | {| class = "wikitable"
| |
| − | |-
| |
| − | |code
| |
| − | |ISO 3166.
| |
| − | |-
| |
| − | |id
| |
| − | |Template identifier(see the “Number plate templates” section for available templates). May be set to 0. In such case action will be performed on all templates for the country specified in the code field.
| |
| − | |-
| |
| − | |sub_id
| |
| − | |Reserved, should be set to 0.
| |
| − | |}
| |
| − | | |
| − | ====struct void_image====
| |
| − |
| |
| − | :'''NAME'''
| |
| − | | |
| − | ::struct vodi_image - image.
| |
| − | | |
| − | :'''SYNTAX'''
| |
| − | | |
| − | <syntaxhighlight lang="c">
| |
| − | #include <Vodi/Types.h>
| |
| − | Country code
| |
| − | struct vodi_image {
| |
| − | unsigned img_flags;
| |
| − | long img_width; /* in pixels */
| |
| − | long img_height; /* in pixels */
| |
| − | unsigned img_bpp; /* bits per pixel */
| |
| − | bo_pointer_t img_base;
| |
| − | };
| |
| − | </syntaxhighlight>
| |
| − | | |
| − | :'''DESCRIPTION'''
| |
| − | | |
| − | {| class = "wikitable"
| |
| − | |-
| |
| − | |img_flags
| |
| − | |Set to VodiF_IMAGE_PLAIN.
| |
| − | |-
| |
| − | |img_width
| |
| − | |Width of the image.
| |
| − | |-
| |
| − | |img_height
| |
| − | |Height of the image.
| |
| − | |-
| |
| − | |img_bpp
| |
| − | |Number of bits per pixel. Setto 8.
| |
| − | |-
| |
| − | |img_base
| |
| − | |Pointer to the first row of the image. Each row of the image must be aligned to 4 bytes.
| |
| − | |}
| |
| − | | |
| − | ====struct void_vpw_options====
| |
| − | | |
| − | :'''NAME'''
| |
| − | | |
| − | ::struct vodi_vpw_options - additional parameters for analysis.
| |
| − | | |
| − | :'''SYNTAX'''
| |
| − | | |
| − | <syntaxhighlight lang="c">
| |
| − | #include <Vodi/Vpwtypes.h>
| |
| − | | |
| − | struct vodi_vpw_options {
| |
| − | int magic;
| |
| − | vodi_size_timgsz; /* original-image-size */
| |
| − | u_int32_t img_seqnum; /* original image sequence mark */
| |
| − | bo_utime_t img_timestamp; /* original image timestamp */
| |
| − | };
| |
| − | </syntaxhighlight>
| |
| − | | |
| − | :'''DESCRIPTION'''
| |
| − | | |
| − | {| class = "wikitable"
| |
| − | |-
| |
| − | |magic
| |
| − | |Must be set to VodiK_VPW_OPTIONS_WORK_MAGIC.
| |
| − | |-
| |
| − | |imgsz
| |
| − | |Size of the image passed to the VodiprincProcess.
| |
| − | |-
| |
| − | |img_seqnum
| |
| − | |Sequential number of the image.
| |
| − | |-
| |
| − | |img_timestamp
| |
| − | |Timestamp of the image (in microseconds). Allows to do time analysis when monitoring number plates. Is used in the “dynamic” mode, with VodiensUnique, VodiensCombine functions in the “WithMerge” mode and VodiensCombine_v2with VodiensF_COMBINE_WITH_MERGE flag.
| |
| − | |}
| |
| − | | |
| − | ====struct vodi_ucontext====
| |
| − | | |
| − | :'''NAME'''
| |
| − | | |
| − | ::struct vodi_ucontext – user context.
| |
| − | | |
| − | :'''SYNTAX'''
| |
| − | | |
| − | <syntaxhighlight lang="c">
| |
| − | #include <Vodi/Types.h>
| |
| − | | |
| − | struct vodi_ucontext {
| |
| − | vodi_uctx_dup_fn uctx_dup;
| |
| − | vodi_udata_retain_fn uctx_dretain;
| |
| − | vodi_udata_release_fn uctx_drelease;
| |
| − | vodi_uctx_change_fn uctx_change;
| |
| − | bo_pointer_t uctx_udata;
| |
| − | };
| |
| − | </syntaxhighlight>
| |
| − | | |
| − | :'''DESCRIPTION'''
| |
| − | | |
| − | ::User context that can be passed to the VodiprincProcess function. It will be linked with each result when analyzing the image.
| |
| − | | |
| − | ::When binding context with the result, an operation specified in the uctx_dretain field is being called for context. If the value of this field is NULLF, the operation is not called.
| |
| − | | |
| − | ::It is sometimes necessary to duplicate an existing result when working with VodiprincProcess function. In such case, an operation specified in the uctx_dupfield is being called for linked context. If the value of this field is NULLF, the operation is not called.
| |
| − | | |
| − | ::When the result is destroyed,an operation specified in the uctx_drelease field is being called for linked context. If the value of this field is NULLF, the operation is not called.
| |
| − | | |
| − | ::In the "dynamic"operating mode the results obtained from different images are being joined. In such case, an operation specified in the uctx_change field is being called for linked context.If the value of this field is NULLF, the operation is not called.
| |
| − | | |
| − | ::The uctx_udata field may point to the interesting user data.
| |
| − | | |
| − | ====struct void_plate_info_spec====
| |
| − | | |
| − | :'''NAME'''
| |
| − | | |
| − | ::struct vodi_plate_info_spec – recognition result’s specification.
| |
| − | | |
| − | :'''SYNTAX'''
| |
| − | | |
| − | <syntaxhighlight lang="c">
| |
| − | #include <Bo/aorp/Vpwtypes.h>
| |
| − | | |
| − | struct vodi_plate_info_spec {
| |
| − | size_t pis_plate_variantc;
| |
| − | vodi_plate_t pis_plate_variantv[VodiL_VPW_VARIANT_MAX];
| |
| − | | |
| − | vodi_rect_t pis_outer_rect;
| |
| − | vodi_rect_t pis_exact_rect;
| |
| − | _Bool pis_inversed;
| |
| − | vodi_motiondir_t pis_direction;
| |
| − | double pis_angle;
| |
| − | double pis_speed;
| |
| − | size_t pis_index;
| |
| − | unsigned pis_flags;
| |
| − | _Bool pis_move_in;
| |
| − | size_t pis_status;
| |
| − | | |
| − | vodi_ucontext_t pis_uctx;
| |
| − | vodi_image_t pis_image;
| |
| − | | |
| − | bo_utime_t pis_bftime;
| |
| − | bo_utime_t pis_ctime;
| |
| − | bo_utime_t pis_ltime;
| |
| − | | |
| − | vodi_size_t pis_imgsz;
| |
| − | u_int32_t pis_seqnum;
| |
| − | };
| |
| − | </syntaxhighlight>
| |
| − | | |
| − | :'''DESCRIPTION'''
| |
| − | | |
| − | {| class = "wikitable"
| |
| − | |-
| |
| − | |pis_plate_variantc
| |
| − | |Number plate’s variant quantity.
| |
| − | |-
| |
| − | |pis_plate_variantv
| |
| − | |Array of number plate’s variants.
| |
| − | |-
| |
| − | |pis_outer_rect
| |
| − | |Rectangular field of number, specified relative to the image.
| |
| − | |-
| |
| − | |pis_exact_rect
| |
| − | |Rectangular field of number, specified relative to the image. Unlike the pis_outer_rect, it calculated more accurately.
| |
| − | |-
| |
| − | |pis_inversed
| |
| − | |A sign of inversion number.
| |
| − | |-
| |
| − | |pis_direction
| |
| − | |Motion direction of license plate.
| |
| − | |-
| |
| − | |pis_angle
| |
| − | |The angle of license plate.
| |
| − | |-
| |
| − | |pis_speed
| |
| − | |Motion speed of licence plate.
| |
| − | |-
| |
| − | |pis_index
| |
| − | |Identificator of licence plate.
| |
| − | |-
| |
| − | |pis_flags
| |
| − | |The following flags are available:
| |
| − | VodiF_RESULT_DUP Result is a duplicate. It sets in the "dynamic" operating mode with VodiCTL_VPW_DYNAMIC_WITH_DUPLICATE parameter.
| |
| − | VodiF_RESULT_LOST Result was lost. It sets in the "dynamic" operating mode whena decision,that the object came out of the line of sight, is made.
| |
| − | VodiF_RESULT_INVALID Result is invalid. It sets in the "dynamic"operating mode, when the decision,that this result is the consequence of a certain other, is made.
| |
| − | |-
| |
| − | |pis_move_in
| |
| − | |Reserved.
| |
| − | |-
| |
| − | |pis_status
| |
| − | |Reserved.
| |
| − | |-
| |
| − | |pis_uctx
| |
| − | |User context.
| |
| − | |-
| |
| − | |pis_image
| |
| − | |Licence plate’s image.
| |
| − | |-
| |
| − | |pis_bftime
| |
| − | |Timestamp of the best frame, there number was recognized.
| |
| − | |-
| |
| − | |pis_ctime
| |
| − | |Timestamp of the frame where number was recognized at first.
| |
| − | |-
| |
| − | |pis_ltime
| |
| − | |Timestamp of the frame where number was recognized at last.
| |
| − | |-
| |
| − | |pis_imgsz
| |
| − | |Reserved.
| |
| − | |-
| |
| − | |pis_seqnum
| |
| − | |Reserved.
| |
| − | |}
| |
| − | | |
| − | ====struct void_plate====
| |
| − | | |
| − | :'''NAME'''
| |
| − | | |
| − | ::struct vodi_plate – license plate.
| |
| − | | |
| − | :'''SYNTAX'''
| |
| − | | |
| − | <syntaxhighlight lang="c">
| |
| − | #include <Bo/aorp/Vpwtypes.h>
| |
| − | | |
| − | struct vodi_plate_info {
| |
| − | wchar_t pv_plate_string[VodiL_VPW_SYMBOL_MAX + 1];
| |
| − | wchar_t pv_plate_type[VodiL_VPW_SYMBOL_MAX + 5];
| |
| − | u_int32_t pv_plate_id;
| |
| − | u_int32_t pv_country_id;
| |
| − | float pv_validity;
| |
| − | float pv_min_symb_validity;
| |
| − | float pv_max_geom_deviation;
| |
| − | float pv_max_symb_validity;
| |
| − | float pv_avg_symb_validity;
| |
| − | float pv_avg_geom_deviation;
| |
| − | u_int32_t pv_background;
| |
| − | u_int32_t pv_sym_color;
| |
| − | size_t pv_symbolc;
| |
| − | vodi_plate_symbol_t pv_symbolv[VodiL_VPW_SYMBOL_MAX];
| |
| − | };
| |
| − | </syntaxhighlight>
| |
| − | | |
| − | :'''DESCRIPTION'''
| |
| − | | |
| − | {| class = "wikitable"
| |
| − | |-
| |
| − | |pv_plate_string
| |
| − | |Unicode string of license plate.
| |
| − | |-
| |
| − | |pv_plate_type
| |
| − | |Number’s type, specified by string:
| |
| − | z Small letter.
| |
| − | Z Big letter.
| |
| − | x Digit.| Space between symbols.
| |
| − | |-
| |
| − | |pv_plate_id
| |
| − | |Identificator of right template (see "Number plate templates")
| |
| − | |-
| |
| − | |pv_country_id
| |
| − | |Code of country ISO 3166.
| |
| − | |-
| |
| − | |pv_validity
| |
| − | |Characteristic of recognition quality.
| |
| − | |-
| |
| − | |pv_min_symb_validity
| |
| − | |Reserved.
| |
| − | |-
| |
| − | |pv_max_geom_deviation
| |
| − | |Reserved.
| |
| − | |-
| |
| − | |pv_max_symb_validity
| |
| − | |Reserved.
| |
| − | |-
| |
| − | |pv_avg_symb_validity
| |
| − | |Reserved.
| |
| − | |-
| |
| − | |pv_avg_geom_deviation
| |
| − | |Reserved.
| |
| − | |-
| |
| − | |pv_background
| |
| − | |The background color of lisence plate.
| |
| − | |-
| |
| − | |pv_sym_color
| |
| − | |The color of symbols on the lisence plate.
| |
| − | |-
| |
| − | |pv_symbolc
| |
| − | |The number of symbols on the licence plate.
| |
| − | |-
| |
| − | |pv_symbolv
| |
| − | |Array of symbols.
| |
| − | |}
| |
| − | | |
| − | ====struct aorp_error====
| |
| − | | |
| − | :'''NAME'''
| |
| − | | |
| − | ::struct aorp_error – error description.
| |
| − | | |
| − | :'''SYNTAX'''
| |
| − | | |
| − | <syntaxhighlight lang="c">
| |
| − | #include <Bo/aorp/Types.h>
| |
| − | | |
| − | struct aorp_error {
| |
| − | char const *func;
| |
| − | char const *file;
| |
| − | long line;
| |
| − | bo_status_t status;
| |
| − | syserrcode_t syserr;
| |
| − | unsigned msgidx;
| |
| − | unsigned bufsz;
| |
| − | char *msg;
| |
| − | };
| |
| − | </syntaxhighlight>
| |
| − | | |
| − | :'''DESCRIPTION'''
| |
| − | | |
| − | {| class = "wikitable"
| |
| − | |-
| |
| − | |func
| |
| − | |Name of the function where error had appeared.This is an optional field that is usually set in the debug versions of program.
| |
| − | |-
| |
| − | |file
| |
| − | |Path to the file, where the function that produced error is implemented. This is an optional field that is usually set in the debug versions of program.
| |
| − | |-
| |
| − | |line
| |
| − | |Line number in the file where error had appeared. Optional field that makes sense only if fileis not equal to NULL.
| |
| − | |-
| |
| − | |status
| |
| − | |Contains code of the error(see<Bo/Errors.h>) with a conventional area where this error had occurred.
| |
| − | |-
| |
| − | |syserr
| |
| − | |Adopted in the system code of the error. If the situation does not require you to use OS codes, use POSIX codes.
| |
| − | |-
| |
| − | |msgidx
| |
| − | |Sequential number of the message (see<Bo/SMessages.h>).
| |
| − | |-
| |
| − | |bufsz
| |
| − | |Size of the buffer (in bytes) to which msg fields are pointing.
| |
| − | |-
| |
| − | |msg
| |
| − | |Pointer to the string that describes error.
| |
| − | |}
| |
| − | | |
| − | ==Glossary==
| |
| − | | |
| − | :'''AORP object''' is a representative of many AORP objects, which includeVpwprinc (principal), Vpwens (ensemble) and Vpwres (result).
| |
| − | | |
| − | :'''Principal (Vpwprinc)''' is the object on which (among others)the number plates recognition operation (VodiprincProcess) is introduced.
| |
| − | | |
| − | :'''Ensemble (Vpwens)''' is the list of number plate recognition results.
| |
| − | | |
| − | :'''Result (Vpwres)''' represents theset ofnumber plate recognition results.
| |
| − | | |
| − | :'''Shared library''' is the library of general use, also known as a dynamic library.
| |
| − | | |
| − | :'''Archive library''' is the archive type library, also known as a static library.
| |
| − | | |
| − | :'''Stub library''' is used in the Windows OS for linking with the shared library.
| |
| − | | |
| − | ==Number plate templates==
| |
| − | | |
| − | <br/>In the folder /doc/templates there are folders with the name and country code, within which there are images of number plate types. The name of the image corresponds to the template identifier in the SDK. This identifier and country code are used by the struct vodi_vpw_country_id and struct vodi_plate structures.
| |
| − | | |
| − | ==Table of selection vpwc module according to your license==
| |
| − | | |
| − | {| class = "wikitable"
| |
| − | |-
| |
| − | !License type || Module name
| |
| − | |-
| |
| − | |6 fps, 1 channel || vpwc-f6p1
| |
| − | |-
| |
| − | |6 fps, 2 channels || vpwc-f6p2
| |
| − | |-
| |
| − | |6 fps, 3 channels || vpwc-f6p3
| |
| − | |-
| |
| − | |6 fps, 4 channels ||vpwc-f6p4
| |
| − | |-
| |
| − | |6 fps, 5 channels || vpwc-f6p5
| |
| − | |-
| |
| − | |6 fps, 6 channels || vpwc-f6p6
| |
| − | |-
| |
| − | |6 fps, 7 channels || vpwc-f6p7
| |
| − | |-
| |
| − | |6 fps, 8 channels || vpwc-f6p8
| |
| − | |-
| |
| − | |6 fps, 9 channels || vpwc-f6p9
| |
| − | |-
| |
| − | |6 fps, 10 channels || vpwc-f6p10
| |
| − | |-
| |
| − | |6 fps, 11 channels || vpwc-f6p11
| |
| − | |-
| |
| − | |6 fps, 12 channels || vpwc-f6p12
| |
| − | |-
| |
| − | |6 fps, 13 channels || vpwc-f6p13
| |
| − | |-
| |
| − | |6 fps, 14 channels || vpwc-f6p14
| |
| − | |-
| |
| − | |6 fps, 15 channels || vpwc-f6p15
| |
| − | |-
| |
| − | |6 fps, 16 channels || vpwc-f6p16
| |
| − | |-
| |
| − | |25 fps, 1 channel || vpwc-f0p1
| |
| − | |-
| |
| − | |25 fps, 2 channels || vpwc-f0p2
| |
| − | |-
| |
| − | |25 fps, 3 channels || vpwc-f0p3
| |
| − | |-
| |
| − | |25 fps, 4 channels || vpwc-f0p4
| |
| − | |-
| |
| − | |25 fps, 5 channels || vpwc-f0p5
| |
| − | |-
| |
| − | |25 fps, 6 channels || vpwc-f0p6
| |
| − | |-
| |
| − | |25 fps, 7 channels || vpwc-f0p7
| |
| − | |-
| |
| − | |25 fps, 8 channels || vpwc-f0p8
| |
| − | |-
| |
| − | |25 fps, 9 channels || vpwc-f0p9
| |
| − | |-
| |
| − | |25 fps, 10 channels || vpwc-f0p10
| |
| − | |-
| |
| − | |25 fps, 11 channels || vpwc-f0p11
| |
| − | |-
| |
| − | |25 fps, 12 channels || vpwc-f0p12
| |
| − | |-
| |
| − | |25 fps, 13 channels || vpwc-f0p13
| |
| − | |-
| |
| − | |25 fps, 14 channels || vpwc-f0p14
| |
| − | |-
| |
| − | |25 fps, 15 channels || vpwc-f0p15
| |
| − | |-
| |
| − | |25 fps, 16 channels || vpwc-f0p16
| |
| − | |}
| |
| − | | |
| − | [[Category:Software]]
| |
| − | | |
| − | [[en:SDK_for_number_plate_recognition|SDK_for_number_plate_recognition]]
| |
| − | [[ru:SDK_для_распознавания_номерных_знаков|SDK_для_распознавания_номерных_знаков]]
| |
