54 lines
1.3 KiB
C++
54 lines
1.3 KiB
C++
#include <iostream>
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#include <string>
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#include "opencv2/core/core.hpp"
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#include "opencv2/core/utility.hpp"
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#include "opencv2/imgproc/imgproc.hpp"
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#include "opencv2/imgcodecs.hpp"
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#include "opencv2/highgui/highgui.hpp"
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using namespace std;
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using namespace cv;
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int main(int argc, char** argv)
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{
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std::string in;
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cv::CommandLineParser parser(argc, argv, "{@input|../data/building.jpg|input image}{help h||show help message}");
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if (parser.has("help"))
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{
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parser.printMessage();
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return 0;
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}
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in = parser.get<string>("@input");
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Mat image = imread(in, IMREAD_GRAYSCALE);
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#if 0
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Canny(image, image, 50, 200, 3); // Apply canny edge
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#endif
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// Create and LSD detector with standard or no refinement.
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#if 1
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Ptr<LineSegmentDetector> ls = createLineSegmentDetector(LSD_REFINE_STD);
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#else
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Ptr<LineSegmentDetector> ls = createLineSegmentDetector(LSD_REFINE_NONE);
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#endif
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double start = double(getTickCount());
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vector<Vec4f> lines_std;
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// Detect the lines
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ls->detect(image, lines_std);
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double duration_ms = (double(getTickCount()) - start) * 1000 / getTickFrequency();
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std::cout << "It took " << duration_ms << " ms." << std::endl;
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// Show found lines
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Mat drawnLines(image);
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ls->drawSegments(drawnLines, lines_std);
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imshow("Standard refinement", drawnLines);
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waitKey();
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return 0;
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}
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