// 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_AVERAGE_HASH_HPP
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#define OPENCV_AVERAGE_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 Computes average hash value of the input image
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This is a fast image hashing algorithm, but only work on simple case. For more details, please
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refer to @cite lookslikeit
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*/
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class CV_EXPORTS_W AverageHash : public ImgHashBase
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{
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public:
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CV_WRAP static Ptr<AverageHash> create();
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protected:
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AverageHash() {}
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};
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/** @brief Calculates img_hash::AverageHash in one call
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@param inputArr input image want to compute hash value, type should be CV_8UC4, CV_8UC3 or CV_8UC1.
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@param outputArr Hash value of input, it will contain 16 hex decimal number, return type is CV_8U
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*/
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CV_EXPORTS_W void averageHash(cv::InputArray inputArr, cv::OutputArray outputArr);
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//! @}
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}} // cv::img_hash::
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#endif // OPENCV_AVERAGE_HASH_HPP
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