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revamped

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This commit is contained in:
Gary Bradski 2010-12-04 08:29:48 +00:00
parent 77b3948235
commit 8dd8583596
1 changed files with 8 additions and 1 deletions
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9
samples/cpp/houghlines.cpp
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@ -6,6 +6,13 @@
using namespace cv;
using namespace std;
void help()
{
cout << "\nThis program demonstrates line finding with the Hough transform.\n"
"Call:\n"
"./houghlines [image_len -- Default is pic1.png\n" << endl;
}
int main(int argc, char** argv)
{
const char* filename = argc >= 2 ? argv[1] : "pic1.png";
@ -16,7 +23,7 @@ int main(int argc, char** argv)
cout << "can not open " << filename << endl;
cout << "Usage: houghlines <image_name>" << endl;
}
help();
Mat dst, cdst;
Canny(src, dst, 50, 200, 3);
cvtColor(dst, cdst, CV_GRAY2BGR);