fast-yolo4/3rdparty/opencv/inc/opencv2/img_hash/average_hash.hpp
2024-09-25 09:43:03 +08:00

40 lines
1.1 KiB
C++

// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
#ifndef OPENCV_AVERAGE_HASH_HPP
#define OPENCV_AVERAGE_HASH_HPP
#include "img_hash_base.hpp"
namespace cv {
namespace img_hash {
//! @addtogroup img_hash
//! @{
/** @brief Computes average hash value of the input image
This is a fast image hashing algorithm, but only work on simple case. For more details, please
refer to @cite lookslikeit
*/
class CV_EXPORTS_W AverageHash : public ImgHashBase
{
public:
CV_WRAP static Ptr<AverageHash> create();
protected:
AverageHash() {}
};
/** @brief Calculates img_hash::AverageHash in one call
@param inputArr input image want to compute hash value, type should be CV_8UC4, CV_8UC3 or CV_8UC1.
@param outputArr Hash value of input, it will contain 16 hex decimal number, return type is CV_8U
*/
CV_EXPORTS_W void averageHash(cv::InputArray inputArr, cv::OutputArray outputArr);
//! @}
}} // cv::img_hash::
#endif // OPENCV_AVERAGE_HASH_HPP