opencv/samples/c/pyramid_segmentation.c
2011-05-07 12:06:58 +00:00

106 lines
2.6 KiB
C

#include "opencv2/imgproc/imgproc.hpp"
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/imgproc/imgproc_c.h"
#include <stdio.h>
void help()
{
printf("\nThis program demonstrated color pyramid segmentation cvcvPyrSegmentation() which is controlled\n"
"by two trhesholds which can be manipulated by a trackbar. It can take an image file name or defaults to 'fruits.jpg'\n"
"Call:\n"
"./pyaramid_segmentation [image_path_filename -- Defaults to fruits.jpg]\n\n"
);
}
IplImage* image[2] = { 0, 0 }, *image0 = 0, *image1 = 0;
CvSize size;
int w0, h0,i;
int threshold1, threshold2;
int l,level = 4;
int sthreshold1, sthreshold2;
int l_comp;
int block_size = 1000;
float parameter;
double threshold;
double rezult, min_rezult;
int filter = CV_GAUSSIAN_5x5;
CvConnectedComp *cur_comp, min_comp;
CvSeq *comp;
CvMemStorage *storage;
CvPoint pt1, pt2;
void ON_SEGMENT(int a)
{
cvPyrSegmentation(image0, image1, storage, &comp,
level, threshold1+1, threshold2+1);
/*l_comp = comp->total;
i = 0;
min_comp.value = cvScalarAll(0);
while(i<l_comp)
{
cur_comp = (CvConnectedComp*)cvGetSeqElem ( comp, i );
if(fabs(255- min_comp.value.val[0])>
fabs(255- cur_comp->value.val[0]) &&
fabs(min_comp.value.val[1])>
fabs(cur_comp->value.val[1]) &&
fabs(min_comp.value.val[2])>
fabs(cur_comp->value.val[2]) )
min_comp = *cur_comp;
i++;
}*/
cvShowImage("Segmentation", image1);
}
int main( int argc, char** argv )
{
char* filename = argc == 2 ? argv[1] : (char*)"fruits.jpg";
if( (image[0] = cvLoadImage( filename, 1)) == 0 )
return -1;
cvNamedWindow("Source", 0);
cvShowImage("Source", image[0]);
cvNamedWindow("Segmentation", 0);
storage = cvCreateMemStorage ( block_size );
image[0]->width &= -(1<<level);
image[0]->height &= -(1<<level);
image0 = cvCloneImage( image[0] );
image1 = cvCloneImage( image[0] );
// segmentation of the color image
l = 1;
threshold1 =255;
threshold2 =30;
ON_SEGMENT(1);
sthreshold1 = cvCreateTrackbar("Threshold1", "Segmentation", &threshold1, 255, ON_SEGMENT);
sthreshold2 = cvCreateTrackbar("Threshold2", "Segmentation", &threshold2, 255, ON_SEGMENT);
cvShowImage("Segmentation", image1);
cvWaitKey(0);
cvDestroyWindow("Segmentation");
cvDestroyWindow("Source");
cvReleaseMemStorage(&storage );
cvReleaseImage(&image[0]);
cvReleaseImage(&image0);
cvReleaseImage(&image1);
return 0;
}
#ifdef _EiC
main(1,"pyramid_segmentation.c");
#endif