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reverted samples with new command argument parser. will be continued after OpenCV release.

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itsyplen
2011-06-09 12:01:47 +00:00
parent 8f4f982e5c
commit 3876cf22e3
16 changed files with 601 additions and 559 deletions
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164
samples/c/mser_sample.cpp
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@@ -2,24 +2,17 @@
* Copyright<68> 2009, Liu Liu All rights reserved.
*/
#include "opencv2/core/core.hpp"
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/features2d/features2d.hpp"
#include "opencv2/imgproc/imgproc_c.h"
#include <iostream>
using namespace std;
using namespace cv;
void help()
{
printf("\nThis program demonstrates the Maximal Extremal Region interest point detector.\n"
"It finds the most stable (in size) dark and white regions as a threshold is increased.\n"
"\n Usage: \n"
"./mser_sample [--image_filename] <path_and_image_filename, default is 'puzzle.png'> \n"
"Example: \n"
"./mser_sample --image_filename=puzzle.png \n");
printf("\nThis program demonstrates the Maximal Extremal Region interest point detector.\n"
"It finds the most stable (in size) dark and white regions as a threshold is increased.\n"
"\nCall:\n"
"./mser_sample <path_and_image_filename, Default is 'puzzle.png'>\n\n");
}
static CvScalar colors[] =
@@ -51,81 +44,90 @@ static uchar bcolors[][3] =
};
int main( int argc, const char** argv )
int main( int argc, char** argv )
{
help();
char path[1024];
IplImage* img;
help();
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 );
CommandLineParser parser(argc, argv);
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 );
}
string imageFileName = parser.get<string>("image_filename", "puzzle.png");
cvSaveImage( "rsp.png", rsp );
IplImage* img;
cvNamedWindow( "original", 0 );
cvShowImage( "original", img );
cvNamedWindow( "response", 0 );
cvShowImage( "response", rsp );
img = cvLoadImage( imageFileName.c_str(), CV_LOAD_IMAGE_GRAYSCALE );
if (!img)
{
printf("Unable to load image %s\n",imageFileName.c_str());
help();
return 0;
}
cvNamedWindow( "ellipses", 0 );
cvShowImage( "ellipses", ellipses );
IplImage* rsp = cvLoadImage( imageFileName.c_str(), 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 );
cvWaitKey(0);
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);
cvDestroyWindow( "original" );
cvDestroyWindow( "response" );
cvDestroyWindow( "ellipses" );
cvReleaseImage(&rsp);
cvReleaseImage(&img);
cvReleaseImage(&ellipses);
}