fast-yolo4/3rdparty/opencv/inc/opencv2/fuzzy/fuzzy_F1_math.hpp
2024-09-25 09:43:03 +08:00

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#ifndef __OPENCV_FUZZY_F1_MATH_H__
#define __OPENCV_FUZZY_F1_MATH_H__
#include "opencv2/fuzzy/types.hpp"
#include "opencv2/core.hpp"
namespace cv
{
namespace ft
{
//! @addtogroup f1_math
//! @{
/** @brief Computes components of the array using direct \f$F^1\f$-transform.
@param matrix Input array.
@param kernel Kernel used for processing. Function `ft::createKernel` can be used.
@param components Output 32-bit float array for the components.
The function computes linear components using predefined kernel.
*/
CV_EXPORTS_W void FT12D_components(InputArray matrix, InputArray kernel, OutputArray components);
/** @brief Computes elements of \f$F^1\f$-transform components.
@param matrix Input array.
@param kernel Kernel used for processing. Function `ft::createKernel` can be used.
@param c00 Elements represent average color.
@param c10 Elements represent average vertical gradient.
@param c01 Elements represent average horizontal gradient.
@param components Output 32-bit float array for the components.
@param mask Mask can be used for unwanted area marking.
The function computes components and its elements using predefined kernel and mask.
*/
CV_EXPORTS_W void FT12D_polynomial(InputArray matrix, InputArray kernel, OutputArray c00, OutputArray c10, OutputArray c01, OutputArray components, InputArray mask = noArray());
/** @brief Creates vertical matrix for \f$F^1\f$-transform computation.
@param radius Radius of the basic function.
@param matrix The vertical matrix.
@param chn Number of channels.
The function creates helper vertical matrix for \f$F^1\f$-transfrom processing. It is used for gradient computation.
*/
CV_EXPORTS_W void FT12D_createPolynomMatrixVertical(int radius, OutputArray matrix, const int chn);
/** @brief Creates horizontal matrix for \f$F^1\f$-transform computation.
@param radius Radius of the basic function.
@param matrix The horizontal matrix.
@param chn Number of channels.
The function creates helper horizontal matrix for \f$F^1\f$-transfrom processing. It is used for gradient computation.
*/
CV_EXPORTS_W void FT12D_createPolynomMatrixHorizontal(int radius, OutputArray matrix, const int chn);
/** @brief Computes \f$F^1\f$-transfrom and inverse \f$F^1\f$-transfrom at once.
@param matrix Input matrix.
@param kernel Kernel used for processing. Function `ft::createKernel` can be used.
@param output Output 32-bit float array.
@param mask Mask used for unwanted area marking.
This function computes \f$F^1\f$-transfrom and inverse \f$F^1\f$-transfotm in one step. It is fully sufficient and optimized for `cv::Mat`.
@note
F-transform technique of first degreee is described in paper @cite Vlas:FT.
*/
CV_EXPORTS_W void FT12D_process(InputArray matrix, InputArray kernel, OutputArray output, InputArray mask = noArray());
/** @brief Computes inverse \f$F^1\f$-transfrom.
@param components Input 32-bit float single channel array for the components.
@param kernel Kernel used for processing. The same kernel as for components computation must be used.
@param output Output 32-bit float array.
@param width Width of the output array.
@param height Height of the output array.
Computation of inverse \f$F^1\f$-transform.
*/
CV_EXPORTS_W void FT12D_inverseFT(InputArray components, InputArray kernel, OutputArray output, int width, int height);
//! @}
}
}
#endif // __OPENCV_FUZZY_F1_MATH_H__