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#ifndef __OPENCV_DERICHEFILTER_HPP__
#define __OPENCV_DERICHEFILTER_HPP__
#ifdef __cplusplus

#include <opencv2/core.hpp>

namespace cv {
namespace ximgproc {

//! @addtogroup ximgproc_filters
//! @{

/**
* @brief   Applies Y Deriche filter to an image.
*
* For more details about this implementation, please see http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.476.5736&rep=rep1&type=pdf
*
* @param   op         Source 8-bit or 16bit image, 1-channel or 3-channel image.
* @param   dst        result CV_32FC image with same number of channel than _op.
* @param   alpha double see paper
* @param   omega   double see paper
*
*/
CV_EXPORTS_W void GradientDericheY(InputArray op, OutputArray dst, double alpha,double omega);
/**
* @brief   Applies X Deriche filter to an image.
*
* For more details about this implementation, please see http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.476.5736&rep=rep1&type=pdf
*
* @param   op         Source 8-bit or 16bit image, 1-channel or 3-channel image.
* @param   dst        result CV_32FC image with same number of channel than _op.
* @param   alpha double see paper
* @param   omega   double see paper
*
*/
CV_EXPORTS_W void GradientDericheX(InputArray op, OutputArray dst, double alpha,double omega);

}
}
#endif
#endif
