Open Source Computer Vision Library https://opencv.org/
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/*M///////////////////////////////////////////////////////////////////////////////////////
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// License Agreement
// For Open Source Computer Vision Library
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// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
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#include "test_precomp.hpp"
using namespace cv;
using namespace std;
namespace cvtest
{
/// phase correlation
class CV_PhaseCorrelatorTest : public cvtest::ArrayTest
{
public:
CV_PhaseCorrelatorTest();
protected:
void run( int );
};
CV_PhaseCorrelatorTest::CV_PhaseCorrelatorTest() {}
void CV_PhaseCorrelatorTest::run( int )
{
ts->set_failed_test_info(cvtest::TS::OK);
Mat r1 = Mat::ones(Size(129, 128), CV_64F);
Mat r2 = Mat::ones(Size(129, 128), CV_64F);
double expectedShiftX = -10.0;
double expectedShiftY = -20.0;
// 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 );
}
}
TEST(Imgproc_PhaseCorrelatorTest, accuracy) { CV_PhaseCorrelatorTest test; test.safe_run(); }
}