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revamped

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This commit is contained in:
Gary Bradski 2010-12-04 08:31:09 +00:00
parent 85c27e5a69
commit 5232638854
1 changed files with 33 additions and 15 deletions
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48
samples/cpp/grabcut.cpp
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@ -6,6 +6,27 @@
using namespace std;
using namespace cv;
void help()
{
cout << "\nThis program demonstrates GrabCut segmentation -- select an object in a region\n"
"and then grabcut will attempt to segment it out.\n"
"Call:\n"
"./grabcut <image_name>\n"
"\nSelect a rectangular area around the object you want to segment\n" <<
"\nHot keys: \n"
"\tESC - quit the program\n"
"\tr - restore the original image\n"
"\tn - next iteration\n"
"\n"
"\tleft mouse button - set rectangle\n"
"\n"
"\tCTRL+left mouse button - set GC_BGD pixels\n"
"\tSHIFT+left mouse button - set CG_FGD pixels\n"
"\n"
"\tCTRL+right mouse button - set GC_PR_BGD pixels\n"
"\tSHIFT+right mouse button - set CG_PR_FGD pixels\n" << endl;
}
const Scalar RED = Scalar(0,0,255);
const Scalar PINK = Scalar(230,130,255);
const Scalar BLUE = Scalar(255,0,0);
@ -254,28 +275,25 @@ void on_mouse( int event, int x, int y, int flags, void* param )
int main( int argc, char** argv )
{
if( argc==1 )
if( argc!=2 )
{
help();
return 1;
}
string filename = argv[1];
if( filename.empty() )
{
cout << "\nDurn, couldn't read in " << argv[1] << endl;
return 1;
}
Mat image = imread( filename, 1 );
if( image.empty() )
return 1;
{
cout << "\n Durn, couldn't read image filename " << filename << endl;
return 1;
}
cout << "First, select the rectangular area\n" <<
"Hot keys: \n"
"\tESC - quit the program\n"
"\tr - restore the original image\n"
"\tn - next iteration\n"
"\n"
"\tleft mouse button - set rectangle\n"
"\n"
"\tCTRL+left mouse button - set GC_BGD pixels\n"
"\tSHIFT+left mouse button - set CG_FGD pixels\n"
"\n"
"\tCTRL+right mouse button - set GC_PR_BGD pixels\n"
"\tSHIFT+right mouse button - set CG_PR_FGD pixels\n";
help();
const string winName = "image";
cvNamedWindow( winName.c_str(), CV_WINDOW_AUTOSIZE );