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94 lines
3.1 KiB
C++
94 lines
3.1 KiB
C++
#include "perf_precomp.hpp"
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using namespace std;
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using namespace cv;
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using namespace perf;
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using std::tr1::make_tuple;
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using std::tr1::get;
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typedef tr1::tuple<std::string, int, int, tr1::tuple<int,int>, int> Path_Idx_Cn_NPoints_WSize_t;
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typedef TestBaseWithParam<Path_Idx_Cn_NPoints_WSize_t> Path_Idx_Cn_NPoints_WSize;
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void FormTrackingPointsArray(vector<Point2f>& points, int width, int height, int nPointsX, int nPointsY)
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{
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int stepX = width / nPointsX;
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int stepY = height / nPointsY;
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if (stepX < 1 || stepY < 1) FAIL() << "Specified points number is too big";
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points.clear();
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points.reserve(nPointsX * nPointsY);
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for( int x = stepX / 2; x < width; x += stepX )
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{
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for( int y = stepY / 2; y < height; y += stepY )
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{
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Point2f pt(static_cast<float>(x), static_cast<float>(y));
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points.push_back(pt);
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}
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}
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}
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PERF_TEST_P(Path_Idx_Cn_NPoints_WSize, OpticalFlowPyrLK, testing::Combine(
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testing::Values<std::string>("cv/optflow/frames/VGA_%02d.png", "cv/optflow/frames/720p_%02d.jpg"),
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testing::Range(0, 3),
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testing::Values(1, 3, 4),
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testing::Values(make_tuple(9, 9), make_tuple(15, 15)),
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testing::Values(11, 21, 25)
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)
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)
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{
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string filename1 = getDataPath(cv::format(get<0>(GetParam()).c_str(), get<1>(GetParam())));
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string filename2 = getDataPath(cv::format(get<0>(GetParam()).c_str(), get<1>(GetParam()) + 1));
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Mat img1 = imread(filename1);
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Mat img2 = imread(filename2);
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if (img1.empty()) FAIL() << "Unable to load source image " << filename1;
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if (img2.empty()) FAIL() << "Unable to load source image " << filename2;
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int cn = get<2>(GetParam());
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int nPointsX = min(get<0>(get<3>(GetParam())), img1.cols);
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int nPointsY = min(get<1>(get<3>(GetParam())), img1.rows);
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int winSize = get<4>(GetParam());
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int maxLevel = 2;
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TermCriteria criteria(CV_TERMCRIT_ITER|CV_TERMCRIT_EPS, 5, 0.01);
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int flags = 0;
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double minEigThreshold = 1e-4;
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Mat frame1, frame2;
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switch(cn)
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{
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case 1:
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cvtColor(img1, frame1, COLOR_BGR2GRAY, cn);
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cvtColor(img2, frame2, COLOR_BGR2GRAY, cn);
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break;
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case 3:
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frame1 = img1;
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frame2 = img2;
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break;
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case 4:
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cvtColor(img1, frame1, COLOR_BGR2BGRA, cn);
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cvtColor(img2, frame2, COLOR_BGR2BGRA, cn);
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break;
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default:
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FAIL() << "Unexpected number of channels: " << cn;
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}
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vector<Point2f> inPoints;
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vector<Point2f> outPoints;
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vector<uchar> status;
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vector<float> err;
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FormTrackingPointsArray(inPoints, frame1.cols, frame1.rows, nPointsX, nPointsY);
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outPoints.resize(inPoints.size());
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status.resize(inPoints.size());
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err.resize(inPoints.size());
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declare.in(frame1, frame2, inPoints).out(outPoints);
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TEST_CYCLE_N(30)
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{
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calcOpticalFlowPyrLK(frame1, frame2, inPoints, outPoints, status, err,
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Size(winSize, winSize), maxLevel, criteria,
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flags, minEigThreshold);
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}
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}
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