root/apps/createsamples/utility.hpp

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#ifndef __CREATESAMPLES_UTILITY_HPP__
#define __CREATESAMPLES_UTILITY_HPP__

#define CV_VERBOSE  1

/*
 * cvCreateTrainingSamples
 *
 * Create training samples applying random distortions to sample image and
 * store them in .vec file
 *
 * filename        - .vec file name
 * imgfilename     - sample image file name
 * bgcolor         - background color for sample image
 * bgthreshold     - background color threshold. Pixels those colors are in range
 *   [bgcolor-bgthreshold, bgcolor+bgthreshold] are considered as transparent
 * bgfilename      - background description file name. If not NULL samples
 *   will be put on arbitrary background
 * count           - desired number of samples
 * invert          - if not 0 sample foreground pixels will be inverted
 *   if invert == CV_RANDOM_INVERT then samples will be inverted randomly
 * maxintensitydev - desired max intensity deviation of foreground samples pixels
 * maxxangle       - max rotation angles
 * maxyangle
 * maxzangle
 * showsamples     - if not 0 samples will be shown
 * winwidth        - desired samples width
 * winheight       - desired samples height
 */
#define CV_RANDOM_INVERT 0x7FFFFFFF

void cvCreateTrainingSamples( const char* filename,
                              const char* imgfilename, int bgcolor, int bgthreshold,
                              const char* bgfilename, int count,
                              int invert = 0, int maxintensitydev = 40,
                              double maxxangle = 1.1,
                              double maxyangle = 1.1,
                              double maxzangle = 0.5,
                              int showsamples = 0,
                              int winwidth = 24, int winheight = 24 );

void cvCreateTestSamples( const char* infoname,
                          const char* imgfilename, int bgcolor, int bgthreshold,
                          const char* bgfilename, int count,
                          int invert, int maxintensitydev,
                          double maxxangle, double maxyangle, double maxzangle,
                          int showsamples,
                          int winwidth, int winheight );

/*
 * cvCreateTrainingSamplesFromInfo
 *
 * Create training samples from a set of marked up images and store them into .vec file
 * infoname    - file in which marked up image descriptions are stored
 * num         - desired number of samples
 * showsamples - if not 0 samples will be shown
 * winwidth    - sample width
 * winheight   - sample height
 *
 * Return number of successfully created samples
 */
int cvCreateTrainingSamplesFromInfo( const char* infoname, const char* vecfilename,
                                     int num,
                                     int showsamples,
                                     int winwidth, int winheight );

/*
 * cvShowVecSamples
 *
 * Shows samples stored in .vec file
 *
 * filename
 *   .vec file name
 * winwidth
 *   sample width
 * winheight
 *   sample height
 * scale
 *   the scale each sample is adjusted to
 */
void cvShowVecSamples( const char* filename, int winwidth, int winheight, double scale );

#endif //__CREATESAMPLES_UTILITY_HPP__

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