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/*M///////////////////////////////////////////////////////////////////////////////////////
//
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
//
// 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.
//
//
// License Agreement
// For Open Source Computer Vision Library
//
// Copyright (C) 2015, OpenCV Foundation, all rights reserved.
// Third party copyrights are property of their respective owners.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// * Redistribution's of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// * Redistribution's in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// * The name of the copyright holders may not be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// This software is provided by the copyright holders and contributors "as is" and
// any express or implied warranties, including, but not limited to, the implied
// warranties of merchantability and fitness for a particular purpose are disclaimed.
// In no event shall the Intel Corporation or contributors be liable for any direct,
// indirect, incidental, special, exemplary, or consequential damages
// (including, but not limited to, procurement of substitute goods or services;
// loss of use, data, or profits; or business interruption) however caused
// and on any theory of liability, whether in contract, strict liability,
// or tort (including negligence or otherwise) arising in any way out of
// the use of this software, even if advised of the possibility of such damage.
//
//M*/
#include "test_precomp.hpp"
using namespace std;
using namespace cv;
class CV_Unwrapping : public cvtest::BaseTest
{
public:
CV_Unwrapping();
~CV_Unwrapping();
protected:
void run(int);
};
CV_Unwrapping::CV_Unwrapping(){}
CV_Unwrapping::~CV_Unwrapping(){}
void CV_Unwrapping::run( int )
{
int rows = 600;
int cols = 800;
int max = 50;
Mat ramp(rows, cols, CV_32FC1);
Mat wrappedRamp(rows, cols, CV_32FC1);
Mat unwrappedRamp;
Mat rowValues(1, cols, CV_32FC1);
Mat wrappedRowValues(1, cols, CV_32FC1);
for( int i = 0; i < cols; ++i )
{
float v = (float)i*(float)max/(float)cols;
rowValues.at<float>(0, i) = v;
wrappedRowValues.at<float>(0, i) = atan2(sin(v), cos(v));
}
for( int i = 0; i < rows; ++i )
{
rowValues.row(0).copyTo(ramp.row(i));
wrappedRowValues.row(0).copyTo(wrappedRamp.row(i));
}
phase_unwrapping::HistogramPhaseUnwrapping::Params params;
params.width = cols;
params.height = rows;
Ptr<phase_unwrapping::HistogramPhaseUnwrapping> phaseUnwrapping = phase_unwrapping::HistogramPhaseUnwrapping::create(params);
phaseUnwrapping->unwrapPhaseMap(wrappedRamp, unwrappedRamp);
for(int i = 0; i < rows; ++i )
{
for( int j = 0; j < cols; ++ j )
{
EXPECT_NEAR(ramp.at<float>(i, j), unwrappedRamp.at<float>(i, j), 0.001);
}
}
}
TEST( HistogramPhaseUnwrapping, unwrapPhaseMap )
{
CV_Unwrapping test;
test.safe_run();
}
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