test_pc.cpp 3.33 KB
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/*M///////////////////////////////////////////////////////////////////////////////////////
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//  By downloading, copying, installing or using the software you agree to this license.
//  If you do not agree to this license, do not download, install,
//  copy or use the software.
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//
//                           License Agreement
//                For Open Source Computer Vision Library
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// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
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#include "test_precomp.hpp"

using namespace cv;
using namespace std;

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namespace cvtest
{

/// phase correlation
class CV_PhaseCorrelatorTest : public cvtest::ArrayTest
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{
public:
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    CV_PhaseCorrelatorTest();
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protected:
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    void run( int );
};

CV_PhaseCorrelatorTest::CV_PhaseCorrelatorTest() {}
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void CV_PhaseCorrelatorTest::run( int )
{
    ts->set_failed_test_info(cvtest::TS::OK);
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    Mat r1 = Mat::ones(Size(129, 128), CV_64F);
    Mat r2 = Mat::ones(Size(129, 128), CV_64F);
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    double expectedShiftX = -10.0;
    double expectedShiftY = -20.0;
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    // draw 10x10 rectangles @ (100, 100) and (90, 80) should see ~(-10, -20) shift here...
    cv::rectangle(r1, Point(100, 100), Point(110, 110), Scalar(0, 0, 0), CV_FILLED);
    cv::rectangle(r2, Point(90, 80), Point(100, 90), Scalar(0, 0, 0), CV_FILLED);

    Mat hann;
    createHanningWindow(hann, r1.size(), CV_64F);
    Point2d phaseShift = phaseCorrelate(r1, r2, hann);

    // test accuracy should be less than 1 pixel...
    if((expectedShiftX - phaseShift.x) >= 1 || (expectedShiftY - phaseShift.y) >= 1)
    {
         ts->set_failed_test_info( cvtest::TS::FAIL_BAD_ACCURACY );
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    }
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}

TEST(Imgproc_PhaseCorrelatorTest, accuracy) { CV_PhaseCorrelatorTest test; test.safe_run(); }
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}