mirror of
https://github.com/opencv/opencv.git
synced 2024-11-26 12:10:49 +08:00
123 lines
2.9 KiB
C++
123 lines
2.9 KiB
C++
/* This sample code was originally provided by Liu Liu
|
||
* Copyright<68> 2009, Liu Liu All rights reserved.
|
||
*/
|
||
|
||
#include "opencv2/highgui/highgui.hpp"
|
||
#include "opencv2/features2d/features2d.hpp"
|
||
#include "opencv2/imgproc/imgproc_c.h"
|
||
|
||
static CvScalar colors[] =
|
||
{
|
||
{{0,0,255}},
|
||
{{0,128,255}},
|
||
{{0,255,255}},
|
||
{{0,255,0}},
|
||
{{255,128,0}},
|
||
{{255,255,0}},
|
||
{{255,0,0}},
|
||
{{255,0,255}},
|
||
{{255,255,255}},
|
||
{{196,255,255}},
|
||
{{255,255,196}}
|
||
};
|
||
|
||
static uchar bcolors[][3] =
|
||
{
|
||
{0,0,255},
|
||
{0,128,255},
|
||
{0,255,255},
|
||
{0,255,0},
|
||
{255,128,0},
|
||
{255,255,0},
|
||
{255,0,0},
|
||
{255,0,255},
|
||
{255,255,255}
|
||
};
|
||
|
||
int main( int argc, char** argv )
|
||
{
|
||
char path[1024];
|
||
IplImage* img;
|
||
if (argc!=2)
|
||
{
|
||
strcpy(path,"puzzle.png");
|
||
img = cvLoadImage( path, CV_LOAD_IMAGE_GRAYSCALE );
|
||
if (!img)
|
||
{
|
||
printf("\nUsage: mser_sample <path_to_image>\n");
|
||
return 0;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
strcpy(path,argv[1]);
|
||
img = cvLoadImage( path, CV_LOAD_IMAGE_GRAYSCALE );
|
||
}
|
||
|
||
if (!img)
|
||
{
|
||
printf("Unable to load image %s\n",path);
|
||
return 0;
|
||
}
|
||
IplImage* rsp = cvLoadImage( path, CV_LOAD_IMAGE_COLOR );
|
||
IplImage* ellipses = cvCloneImage(rsp);
|
||
cvCvtColor(img,ellipses,CV_GRAY2BGR);
|
||
CvSeq* contours;
|
||
CvMemStorage* storage= cvCreateMemStorage();
|
||
IplImage* hsv = cvCreateImage( cvGetSize( rsp ), IPL_DEPTH_8U, 3 );
|
||
cvCvtColor( rsp, hsv, CV_BGR2YCrCb );
|
||
CvMSERParams params = cvMSERParams();//cvMSERParams( 5, 60, cvRound(.2*img->width*img->height), .25, .2 );
|
||
|
||
double t = (double)cvGetTickCount();
|
||
cvExtractMSER( hsv, NULL, &contours, storage, params );
|
||
t = cvGetTickCount() - t;
|
||
printf( "MSER extracted %d contours in %g ms.\n", contours->total, t/((double)cvGetTickFrequency()*1000.) );
|
||
uchar* rsptr = (uchar*)rsp->imageData;
|
||
// draw mser with different color
|
||
for ( int i = contours->total-1; i >= 0; i-- )
|
||
{
|
||
CvSeq* r = *(CvSeq**)cvGetSeqElem( contours, i );
|
||
for ( int j = 0; j < r->total; j++ )
|
||
{
|
||
CvPoint* pt = CV_GET_SEQ_ELEM( CvPoint, r, j );
|
||
rsptr[pt->x*3+pt->y*rsp->widthStep] = bcolors[i%9][2];
|
||
rsptr[pt->x*3+1+pt->y*rsp->widthStep] = bcolors[i%9][1];
|
||
rsptr[pt->x*3+2+pt->y*rsp->widthStep] = bcolors[i%9][0];
|
||
}
|
||
}
|
||
// find ellipse ( it seems cvfitellipse2 have error or sth?
|
||
for ( int i = 0; i < contours->total; i++ )
|
||
{
|
||
CvContour* r = *(CvContour**)cvGetSeqElem( contours, i );
|
||
CvBox2D box = cvFitEllipse2( r );
|
||
box.angle=(float)CV_PI/2-box.angle;
|
||
|
||
if ( r->color > 0 )
|
||
cvEllipseBox( ellipses, box, colors[9], 2 );
|
||
else
|
||
cvEllipseBox( ellipses, box, colors[2], 2 );
|
||
|
||
}
|
||
|
||
cvSaveImage( "rsp.png", rsp );
|
||
|
||
cvNamedWindow( "original", 0 );
|
||
cvShowImage( "original", img );
|
||
|
||
cvNamedWindow( "response", 0 );
|
||
cvShowImage( "response", rsp );
|
||
|
||
cvNamedWindow( "ellipses", 0 );
|
||
cvShowImage( "ellipses", ellipses );
|
||
|
||
cvWaitKey(0);
|
||
|
||
cvDestroyWindow( "original" );
|
||
cvDestroyWindow( "response" );
|
||
cvDestroyWindow( "ellipses" );
|
||
cvReleaseImage(&rsp);
|
||
cvReleaseImage(&img);
|
||
cvReleaseImage(&ellipses);
|
||
|
||
}
|