opencv/apps/haartraining/createsamples.cpp

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/*
 * createsamples.cpp
 *
 * Create test/training samples
 */

#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <cmath>
#include <ctime>

using namespace std;

#include "cvhaartraining.h"

int main( int argc, char* argv[] )
{
    int i = 0;
    char* nullname   = (char*)"(NULL)";
    char* vecname    = NULL; /* .vec file name */
    char* infoname   = NULL; /* file name with marked up image descriptions */
    char* imagename  = NULL; /* single sample image */
    char* bgfilename = NULL; /* background */
    int num = 1000;
    int bgcolor = 0;
    int bgthreshold = 80;
    int invert = 0;
    int maxintensitydev = 40;
    double maxxangle = 1.1;
    double maxyangle = 1.1;
    double maxzangle = 0.5;
    int showsamples = 0;
    /* the samples are adjusted to this scale in the sample preview window */
    double scale = 4.0;
    int width  = 24;
    int height = 24;

    srand((unsigned int)time(0));

    if( argc == 1 )
    {
        printf( "Usage: %s\n  [-info <collection_file_name>]\n"
                "  [-img <image_file_name>]\n"
                "  [-vec <vec_file_name>]\n"
                "  [-bg <background_file_name>]\n  [-num <number_of_samples = %d>]\n"
                "  [-bgcolor <background_color = %d>]\n"
                "  [-inv] [-randinv] [-bgthresh <background_color_threshold = %d>]\n"
                "  [-maxidev <max_intensity_deviation = %d>]\n"
                "  [-maxxangle <max_x_rotation_angle = %f>]\n"
                "  [-maxyangle <max_y_rotation_angle = %f>]\n"
                "  [-maxzangle <max_z_rotation_angle = %f>]\n"
                "  [-show [<scale = %f>]]\n"
                "  [-w <sample_width = %d>]\n  [-h <sample_height = %d>]\n",
                argv[0], num, bgcolor, bgthreshold, maxintensitydev,
                maxxangle, maxyangle, maxzangle, scale, width, height );

        return 0;
    }

    for( i = 1; i < argc; ++i )
    {
        if( !strcmp( argv[i], "-info" ) )
        {
            infoname = argv[++i];
        }
        else if( !strcmp( argv[i], "-img" ) )
        {
            imagename = argv[++i];
        }
        else if( !strcmp( argv[i], "-vec" ) )
        {
            vecname = argv[++i];
        }
        else if( !strcmp( argv[i], "-bg" ) )
        {
            bgfilename = argv[++i];
        }
        else if( !strcmp( argv[i], "-num" ) )
        {
            num = atoi( argv[++i] );
        }
        else if( !strcmp( argv[i], "-bgcolor" ) )
        {
            bgcolor = atoi( argv[++i] );
        }
        else if( !strcmp( argv[i], "-bgthresh" ) )
        {
            bgthreshold = atoi( argv[++i] );
        }
        else if( !strcmp( argv[i], "-inv" ) )
        {
            invert = 1;
        }
        else if( !strcmp( argv[i], "-randinv" ) )
        {
            invert = CV_RANDOM_INVERT;
        }
        else if( !strcmp( argv[i], "-maxidev" ) )
        {
            maxintensitydev = atoi( argv[++i] );
        }
        else if( !strcmp( argv[i], "-maxxangle" ) )
        {
            maxxangle = atof( argv[++i] );
        }
        else if( !strcmp( argv[i], "-maxyangle" ) )
        {
            maxyangle = atof( argv[++i] );
        }
        else if( !strcmp( argv[i], "-maxzangle" ) )
        {
            maxzangle = atof( argv[++i] );
        }
        else if( !strcmp( argv[i], "-show" ) )
        {
            showsamples = 1;
            if( i+1 < argc && strlen( argv[i+1] ) > 0 && argv[i+1][0] != '-' )
            {
                double d;
                d = strtod( argv[i+1], 0 );
                if( d != -HUGE_VAL && d != HUGE_VAL && d > 0 ) scale = d;
                ++i;
            }
        }
        else if( !strcmp( argv[i], "-w" ) )
        {
            width = atoi( argv[++i] );
        }
        else if( !strcmp( argv[i], "-h" ) )
        {
            height = atoi( argv[++i] );
        }
    }

    printf( "Info file name: %s\n", ((infoname == NULL) ?   nullname : infoname ) );
    printf( "Img file name: %s\n",  ((imagename == NULL) ?  nullname : imagename ) );
    printf( "Vec file name: %s\n",  ((vecname == NULL) ?    nullname : vecname ) );
    printf( "BG  file name: %s\n",  ((bgfilename == NULL) ? nullname : bgfilename ) );
    printf( "Num: %d\n", num );
    printf( "BG color: %d\n", bgcolor );
    printf( "BG threshold: %d\n", bgthreshold );
    printf( "Invert: %s\n", (invert == CV_RANDOM_INVERT) ? "RANDOM"
                                : ( (invert) ? "TRUE" : "FALSE" ) );
    printf( "Max intensity deviation: %d\n", maxintensitydev );
    printf( "Max x angle: %g\n", maxxangle );
    printf( "Max y angle: %g\n", maxyangle );
    printf( "Max z angle: %g\n", maxzangle );
    printf( "Show samples: %s\n", (showsamples) ? "TRUE" : "FALSE" );
    if( showsamples )
    {
        printf( "Scale: %g\n", scale );
    }
    printf( "Width: %d\n", width );
    printf( "Height: %d\n", height );

    /* determine action */
    if( imagename && vecname )
    {
        printf( "Create training samples from single image applying distortions...\n" );

        cvCreateTrainingSamples( vecname, imagename, bgcolor, bgthreshold, bgfilename,
                                 num, invert, maxintensitydev,
                                 maxxangle, maxyangle, maxzangle,
                                 showsamples, width, height );

        printf( "Done\n" );
    }
    else if( imagename && bgfilename && infoname )
    {
        printf( "Create test samples from single image applying distortions...\n" );

        cvCreateTestSamples( infoname, imagename, bgcolor, bgthreshold, bgfilename, num,
            invert, maxintensitydev,
            maxxangle, maxyangle, maxzangle, showsamples, width, height );

        printf( "Done\n" );
    }
    else if( infoname && vecname )
    {
        int total;

        printf( "Create training samples from images collection...\n" );

        total = cvCreateTrainingSamplesFromInfo( infoname, vecname, num, showsamples,
                                                 width, height );

        printf( "Done. Created %d samples\n", total );
    }
    else if( vecname )
    {
        printf( "View samples from vec file (press ESC to exit)...\n" );

        cvShowVecSamples( vecname, width, height, scale );

        printf( "Done\n" );
    }
    else
    {
        printf( "Nothing to do\n" );
    }

    return 0;
}