61 lines
1.6 KiB
C++
61 lines
1.6 KiB
C++
// 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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#include <bitset>
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namespace opencv_test { namespace {
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class CV_AverageHashTest : public cvtest::BaseTest
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{
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public:
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CV_AverageHashTest();
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~CV_AverageHashTest();
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protected:
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void run(int /* idx */);
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};
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CV_AverageHashTest::CV_AverageHashTest(){}
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CV_AverageHashTest::~CV_AverageHashTest(){}
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void CV_AverageHashTest::run(int )
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{
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cv::Mat const input = (cv::Mat_<uchar>(8, 8) <<
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1, 5, 4, 6, 3, 2, 7, 8,
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2, 4, 8, 9, 2, 1, 4, 3,
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3, 4, 5, 7, 9, 8, 7, 6,
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1, 2, 3, 4, 5, 6, 7, 8,
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8, 7, 2, 3, 6, 4, 5, 1,
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3, 4, 1, 2, 9, 8, 4, 2,
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6, 7, 8, 9, 7, 4, 3, 2,
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8, 7, 6, 5, 4, 3, 2, 1);
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cv::Mat hash;
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cv::img_hash::averageHash(input, hash);
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bool const expectResult[] =
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{
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0,0,0,1,0,0,1,1,
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0,0,1,1,0,0,0,0,
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0,0,0,1,1,1,1,1,
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0,0,0,0,0,1,1,1,
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1,1,0,0,1,0,0,0,
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0,0,0,0,1,1,0,0,
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1,1,1,1,1,0,0,0,
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1,1,1,0,0,0,0,0
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};
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uchar const *hashPtr = hash.ptr<uchar>(0);
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for(int i = 0; i != hash.cols; ++i)
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{
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std::bitset<8> const bits = hashPtr[i];
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for(int j = 0; j != 8; ++j)
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{
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EXPECT_EQ(bits[j], expectResult[i*8+j]);
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}
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}
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}
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TEST(average_hash_test, accuracy) { CV_AverageHashTest test; test.safe_run(); }
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}} // namespace
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