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66 lines
1.7 KiB
66 lines
1.7 KiB
// This file is part of OpenCV project. |
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// It is subject to the license terms in the LICENSE file found in the top-level directory |
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// of this distribution and at http://opencv.org/license.html. |
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#include "test_precomp.hpp" |
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namespace opencv_test { namespace { |
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class CV_Unwrapping : public cvtest::BaseTest |
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{ |
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public: |
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CV_Unwrapping(); |
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~CV_Unwrapping(); |
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protected: |
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void run(int); |
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}; |
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CV_Unwrapping::CV_Unwrapping(){} |
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CV_Unwrapping::~CV_Unwrapping(){} |
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void CV_Unwrapping::run( int ) |
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{ |
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int rows = 600; |
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int cols = 800; |
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int max = 50; |
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Mat ramp(rows, cols, CV_32FC1); |
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Mat wrappedRamp(rows, cols, CV_32FC1); |
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Mat unwrappedRamp; |
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Mat rowValues(1, cols, CV_32FC1); |
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Mat wrappedRowValues(1, cols, CV_32FC1); |
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for( int i = 0; i < cols; ++i ) |
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{ |
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float v = (float)i*(float)max/(float)cols; |
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rowValues.at<float>(0, i) = v; |
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wrappedRowValues.at<float>(0, i) = atan2(sin(v), cos(v)); |
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} |
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for( int i = 0; i < rows; ++i ) |
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{ |
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rowValues.row(0).copyTo(ramp.row(i)); |
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wrappedRowValues.row(0).copyTo(wrappedRamp.row(i)); |
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} |
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phase_unwrapping::HistogramPhaseUnwrapping::Params params; |
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params.width = cols; |
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params.height = rows; |
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Ptr<phase_unwrapping::HistogramPhaseUnwrapping> phaseUnwrapping = phase_unwrapping::HistogramPhaseUnwrapping::create(params); |
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phaseUnwrapping->unwrapPhaseMap(wrappedRamp, unwrappedRamp); |
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for(int i = 0; i < rows; ++i ) |
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{ |
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for( int j = 0; j < cols; ++ j ) |
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{ |
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EXPECT_NEAR(ramp.at<float>(i, j), unwrappedRamp.at<float>(i, j), 0.001); |
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} |
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} |
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} |
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TEST( HistogramPhaseUnwrapping, unwrapPhaseMap ) |
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{ |
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CV_Unwrapping test; |
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test.safe_run(); |
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} |
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}} // namespace
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