// 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_COLOR_MOMENT_HASH_HPP
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#define OPENCV_COLOR_MOMENT_HASH_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 Image hash based on color moments.
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See @cite tang2012perceptual for details.
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*/
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class CV_EXPORTS_W ColorMomentHash : public ImgHashBase
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{
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public:
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CV_WRAP static Ptr<ColorMomentHash> create();
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protected:
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ColorMomentHash() {}
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};
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/** @brief Computes color moment hash of the input, the algorithm
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is come from the paper "Perceptual Hashing for Color Images
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Using Invariant Moments"
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@param inputArr input image want to compute hash value,
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type should be CV_8UC4, CV_8UC3 or CV_8UC1.
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@param outputArr 42 hash values with type CV_64F(double)
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*/
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CV_EXPORTS_W void colorMomentHash(cv::InputArray inputArr, cv::OutputArray outputArr);
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//! @}
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}} // cv::img_hash::
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#endif // OPENCV_COLOR_MOMENT_HASH_HPP
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