// 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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#ifndef OPENCV_PHASH_HPP
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#define OPENCV_PHASH_HPP
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#include "img_hash_base.hpp"
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namespace cv {
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namespace img_hash {
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//! @addtogroup img_hash
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//! @{
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/** @brief pHash
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Slower than average_hash, but tolerant of minor modifications
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This algorithm can combat more variation than averageHash, for more details please refer to @cite lookslikeit
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*/
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class CV_EXPORTS_W PHash : public ImgHashBase
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{
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public:
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CV_WRAP static Ptr<PHash> create();
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protected:
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PHash() {}
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};
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/** @brief Computes pHash value of the input image
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@param inputArr input image want to compute hash value,
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type should be CV_8UC4, CV_8UC3, CV_8UC1.
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@param outputArr Hash value of input, it will contain 8 uchar value
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*/
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CV_EXPORTS_W void pHash(cv::InputArray inputArr, cv::OutputArray outputArr);
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//! @}
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} } // cv::img_hash::
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#endif // OPENCV_PHASH_HPP
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