An example using the LineSegmentDetector
Sample output image
#include <iostream>
int main(int argc, char** argv)
{
"{input i|building.jpg|input image}"
"{refine r|false|if true use LSD_REFINE_STD method, if false use LSD_REFINE_NONE method}"
"{canny c|false|use Canny edge detector}"
"{overlay o|false|show result on input image}"
"{help h|false|show help message}");
if (parser.
get<
bool>(
"help"))
{
return 0;
}
bool useRefine = parser.
get<
bool>(
"refine");
bool useCanny = parser.
get<
bool>(
"canny");
bool overlay = parser.
get<
bool>(
"overlay");
if( image.empty() )
{
cout << "Unable to load " << filename;
return 1;
}
imshow(
"Source Image", image);
if (useCanny)
{
Canny(image, image, 50, 200, 3);
}
vector<Vec4f> lines_std;
ls->detect(image, lines_std);
std::cout << "It took " << duration_ms << " ms." << std::endl;
if (!overlay || useCanny)
{
}
ls->drawSegments(image, lines_std);
String window_name = useRefine ?
"Result - standard refinement" :
"Result - no refinement";
window_name += useCanny ? " - Canny edge detector used" : "";
return 0;
}