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116 lines
4.3 KiB
C++
116 lines
4.3 KiB
C++
/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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//
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// By downloading, copying, installing or using the software you agree to this license.
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// If you do not agree to this license, do not download, install,
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// copy or use the software.
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//
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//
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// Intel License Agreement
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// For Open Source Computer Vision Library
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//
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// Copyright (C) 2000, Intel Corporation, all rights reserved.
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// Third party copyrights are property of their respective icvers.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// * Redistribution's of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// * Redistribution's in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// * The name of Intel Corporation may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// This software is provided by the copyright holders and contributors "as is" and
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// any express or implied warranties, including, but not limited to, the implied
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// warranties of merchantability and fitness for a particular purpose are disclaimed.
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// In no event shall the Intel Corporation or contributors be liable for any direct,
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// indirect, incidental, special, exemplary, or consequential damages
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// (including, but not limited to, procurement of substitute goods or services;
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// loss of use, data, or profits; or business interruption) however caused
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// and on any theory of liability, whether in contract, strict liability,
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// or tort (including negligence or otherwise) arising in any way out of
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// the use of this software, even if advised of the possibility of such damage.
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//
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//M*/
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#ifndef __OPENCV_FAST_NLMEANS_DENOISING_INVOKER_COMMONS_HPP__
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#define __OPENCV_FAST_NLMEANS_DENOISING_INVOKER_COMMONS_HPP__
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using namespace cv;
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template <typename T> static inline int calcDist(const T a, const T b);
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template <> inline int calcDist(const uchar a, const uchar b) {
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return (a-b) * (a-b);
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}
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template <> inline int calcDist(const Vec2b a, const Vec2b b) {
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return (a[0]-b[0])*(a[0]-b[0]) + (a[1]-b[1])*(a[1]-b[1]);
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}
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template <> inline int calcDist(const Vec3b a, const Vec3b b) {
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return (a[0]-b[0])*(a[0]-b[0]) + (a[1]-b[1])*(a[1]-b[1]) + (a[2]-b[2])*(a[2]-b[2]);
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}
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template <typename T> static inline int calcDist(const Mat& m, int i1, int j1, int i2, int j2) {
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const T a = m.at<T>(i1, j1);
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const T b = m.at<T>(i2, j2);
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return calcDist<T>(a,b);
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}
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template <typename T> static inline int calcUpDownDist(T a_up, T a_down, T b_up, T b_down) {
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return calcDist(a_down,b_down) - calcDist(a_up, b_up);
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}
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template <> inline int calcUpDownDist(uchar a_up, uchar a_down, uchar b_up, uchar b_down) {
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int A = a_down - b_down;
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int B = a_up - b_up;
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return (A-B)*(A+B);
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}
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template <typename T> static inline void incWithWeight(int* estimation, int weight, T p);
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template <> inline void incWithWeight(int* estimation, int weight, uchar p) {
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estimation[0] += weight * p;
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}
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template <> inline void incWithWeight(int* estimation, int weight, Vec2b p) {
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estimation[0] += weight * p[0];
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estimation[1] += weight * p[1];
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}
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template <> inline void incWithWeight(int* estimation, int weight, Vec3b p) {
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estimation[0] += weight * p[0];
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estimation[1] += weight * p[1];
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estimation[2] += weight * p[2];
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}
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template <typename T> static inline T saturateCastFromArray(int* estimation);
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template <> inline uchar saturateCastFromArray(int* estimation) {
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return saturate_cast<uchar>(estimation[0]);
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}
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template <> inline Vec2b saturateCastFromArray(int* estimation) {
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Vec2b res;
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res[0] = saturate_cast<uchar>(estimation[0]);
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res[1] = saturate_cast<uchar>(estimation[1]);
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return res;
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}
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template <> inline Vec3b saturateCastFromArray(int* estimation) {
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Vec3b res;
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res[0] = saturate_cast<uchar>(estimation[0]);
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res[1] = saturate_cast<uchar>(estimation[1]);
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res[2] = saturate_cast<uchar>(estimation[2]);
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return res;
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}
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#endif
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