opencv/samples/c/pyramid_segmentation.c

100 lines
2.3 KiB
C
Raw Normal View History

#include "opencv2/imgproc/imgproc.hpp"
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/imgproc/imgproc_c.h"
2012-03-31 00:10:52 +08:00
#include "opencv2/legacy/legacy.hpp"
2010-12-03 10:43:10 +08:00
#include <stdio.h>
static void help(void)
2010-12-03 10:43:10 +08:00
{
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"
"Usage :\n"
2010-12-03 10:43:10 +08:00
"./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;
static void ON_SEGMENT(int a)
{
2012-06-29 00:13:29 +08:00
(void)a;
cvPyrSegmentation(image0, image1, storage, &comp,
level, threshold1+1, threshold2+1);
cvShowImage("Segmentation", image1);
}
2010-12-03 10:43:10 +08:00
int main( int argc, char** argv )
{
char* filename;
help();
filename = argc == 2 ? argv[1] : (char*)"fruits.jpg";
if( (image[0] = cvLoadImage( filename, 1)) == 0 )
{
help();
printf("Cannot load fileimage - %s\n", filename);
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