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Viewing changes to sw/ext/opencv_bebop/opencv/samples/cpp/lsd_lines.cpp

  • Committer: Paparazzi buildbot
  • Date: 2016-05-18 15:00:29 UTC
  • Revision ID: felix.ruess+docbot@gmail.com-20160518150029-e8lgzi5kvb4p7un9
Manual import commit 4b8bbb730080dac23cf816b98908dacfabe2a8ec from v5.0 branch.

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sw/ext/opencv_bebop/opencv/samples/cpp/lsd_lines.cpp
 
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#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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}