generic-library/opencv
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revamped

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This commit is contained in:
Gary Bradski 2010-12-04 08:29:45 +00:00
parent 9f3c2afda6
commit 77b3948235
1 changed files with 11 additions and 2 deletions
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13
samples/cpp/edge.cpp
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@ -6,6 +6,15 @@
using namespace cv; using namespace cv;
using namespace std; using namespace std;
void help()
{
cout <<
"\nDemonstrate Canny edge detection\n"
"Call:\n"
"/.edge [image_name -- Default is fruits.jpg]\n" << endl;
}
int edgeThresh = 1; int edgeThresh = 1;
Mat image, gray, edge, cedge; Mat image, gray, edge, cedge;
@ -29,10 +38,10 @@ int main( int argc, char** argv )
image = imread(filename, 1); image = imread(filename, 1);
if(image.empty()) if(image.empty())
{ {
cout << "Usage: edge <image_name>" << endl; help();
return -1; return -1;
} }
help();
cedge.create(image.size(), image.type()); cedge.create(image.size(), image.type());
cvtColor(image, gray, CV_BGR2GRAY); cvtColor(image, gray, CV_BGR2GRAY);