CLAHE源碼解析：

ContrastLimitAHE .h：

#ifndef _CONTRAST_LIMIT_AHE_H_

#define _CONTRAST_LIMIT_AHE_H_

#include "stdafx.h"

#include

using namespace std;

class ContrastLimitAHE

{

public:

ContrastLimitAHE();

~ContrastLimitAHE();

int m_nGridX;??????????????? /* CLAHE 寬網格的個數 */

int m_nGridY;??????????????? /* CLAHE 高網格的個數 */

unsigned char m_aLUT[256];?? /* CLAHE lookup table used for scaling of input image 輸入圖像縮放的查找表*/

int Initial(int nMaxPixel, int nMinPixel, int uiNrBins, int nX, int nY, int nWidth, int nHeight,float fCliplimit);

int m_nWidth;??????????????? /* CLAHE 寬 */

int m_nHeight;?????????????? /* CLAHE 高 */

int m_nCliplimit;

int m_nHistBins;

int m_nGridSize_X;

int m_nGridSize_Y;

int *m_pMapArray;

int m_nGridSize;??????????? /* Actual size of contextual regions實際周邊區域大小 */

int ProcessCLAHE(unsigned char* pImage);

void MakeHistogram(unsigned char* pImage,int* pulHistogram);

void ClipHistogram(int* pulHistogram);

void MapHistogram(int* pulHistogram);

void Interpolate (unsigned char * pImage);

int m_nMaxPixel;

int m_nMinPixel;

void ShiftInterpolate(unsigned char* pImage, int nSizeX, int nSizeY, int* pulMapLU, int* pulMapRU, int *pulMapLB, int *pulMapRB);

int LineInterpolate(unsigned char* pImage, int nSizeX, int nSizeY, int* pLU, int* pRU, int* pLB, int* pRB);

};

#endif

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