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#include "opencv2/ccalib/randpattern.hpp"
using namespace cv;
const char * usage =
"\n example command line for generating a random pattern. \n"
" random_patterng_generator -iw 600 -ih 850 pattern.png\n"
"\n";
static void help()
{
printf("\n This is a sample for generating a random pattern that can be used for calibration.\n"
"Usage: random_patterng_generator\n"
" -iw <image_width> # the width of pattern image\n"
" -ih <image_height> # the height of pattern image\n"
" filename # the filename for pattern image \n"
);
printf("\n %s", usage);
}
int main(int argc, char** argv)
{
const char* filename = 0;
Mat pattern;
int width = 0, height = 0;
if(argc < 2)
{
help();
return 1;
}
for (int i = 1; i < argc; ++i)
{
const char* s = argv[i];
if(strcmp(s, "-iw") == 0)
{
if(sscanf(argv[++i], "%d", &width) != 1 || width <= 0)
return fprintf( stderr, "Invalid pattern image width\n"), -1;
}
else if(strcmp(s, "-ih") == 0)
{
if(sscanf(argv[++i], "%d", &height) != 1 || height <= 0)
return fprintf( stderr, "Invalid pattern image height\n"), -1;
}
else if( s[0] != '-')
{
filename = s;
}
else
{
return fprintf( stderr, "Unknown option %s\n", s ), -1;
}
}
randpattern::RandomPatternGenerator generator(width, height);
generator.generatePattern();
pattern = generator.getPattern();
imwrite(filename, pattern);
}
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