peppernoise.cpp

图像处理基础知识编写的这些程序对新手非常有帮助！4) 对图像进行离散余弦变换处理（图像变换）的源代码

#define EXTRA_NAME "@peppernoise."
#include "loadbmp.h"

void Pepper_Noise()
{
	if (lpBitmap==0) return;
	int x,y,p;
	srand((unsigned)time(NULL));
	for(y=0;y<nHeight;y++)
	{
		for(x=0;x<nWidth;x++)
		{
			if (rand()>31500)
			{
				p=x*3+y*nByteWidth;
				lpBits[p+2]=0;
				lpBits[p+1]=0;
				lpBits[p]=0;
			}
		}
	}	
}

void main(int argc, char *argv[])
{
	if(argc==2)
		FileName=argv[1];
	else
		return;	
	OpenFile();
	Pepper_Noise();
	SaveAs();
}