histsmooth.cpp

来自「各种算术算法」· C++ 代码 · 共 27 行

//--------------------------------
//    hustxdp   2007/10/30 15:26
//--------------------------------

#include "stdafx.h"
/*----Histsmooth------直方圖平滑化-------
   Hist_in  :輸入直方圖配列
   Hist_out :輸出直方圖配列
  --------------------------------------*/
void Hist_smooth(long hist_in[256], long hist_out[256])
{
	int m,n,i;
	long sum;
	for (n = 0; n<256; n++)
	{
		sum = 0;
		for (m = -2; m<=2; m++)
		{
			i = m + n;
			if(i<0) i = 0;
			if(i>255) i = 255;
			sum += hist_in[i];	
		}
		hist_out[n] = (long)((float)sum/5.0 + 0.5);
	}
}