generic-library/opencv
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revamped

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This commit is contained in:
Gary Bradski 2010-12-04 08:31:05 +00:00
parent a161598c76
commit 85c27e5a69
1 changed files with 16 additions and 10 deletions
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26
samples/cpp/watershed.cpp
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@ -7,6 +7,20 @@
using namespace cv; using namespace cv;
using namespace std; using namespace std;
void help()
{
cout << "\nThis program demonstrates the famous watershed segmentation algorithm in OpenCV: watershed()\n"
"Usage:\n"
"./watershed [image_name -- default is fruits.jpg]\n" << endl;
cout << "Hot keys: \n"
"\tESC - quit the program\n"
"\tr - restore the original image\n"
"\tw or SPACE - run watershed segmentation algorithm\n"
"\t\t(before running it, *roughly* mark the areas to segment on the image)\n"
"\t (before that, roughly outline several markers on the image)\n";
}
Mat markerMask, img; Mat markerMask, img;
Point prevPt(-1, -1); Point prevPt(-1, -1);
@ -30,7 +44,6 @@ void onMouse( int event, int x, int y, int flags, void* )
} }
} }
int main( int argc, char** argv ) int main( int argc, char** argv )
{ {
char* filename = argc >= 2 ? argv[1] : (char*)"fruits.jpg"; char* filename = argc >= 2 ? argv[1] : (char*)"fruits.jpg";
@ -38,17 +51,10 @@ int main( int argc, char** argv )
if( img0.empty() ) if( img0.empty() )
{ {
cout << "Usage: watershed <image_name>\n"; cout << "Couldn'g open image " << filename << ". Usage: watershed <image_name>\n";
return 0; return 0;
} }
help();
cout << "Hot keys: \n"
"\tESC - quit the program\n"
"\tr - restore the original image\n"
"\tw or SPACE - run watershed algorithm\n"
"\t\t(before running it, roughly mark the areas on the image)\n"
"\t (before that, roughly outline several markers on the image)\n";
namedWindow( "image", 1 ); namedWindow( "image", 1 );
img0.copyTo(img); img0.copyTo(img);