// my8.cpp : 定义控制台应用程序的入口点。
//
#include "stdafx.h"
#include "highgui.h"
#include "cv.h"
#include <iostream>
using namespace std;
int _tmain(int argc, _tchar* argv[])
{
iplimage* image = cvloadimage("e:\\wali2.jpg");
cvnamedwindow("s");
//用指针指向图像的数据区头部
uchar* pchar;
int width = image->width; cout<<width<<endl;
int heigh = image->height; cout<<heigh<<endl;
int channel = image->nchannels; cout<<channel<<endl;
int widthstep = image->widthstep; cout<<widthstep<<endl;
int i,j;
for(i=0; i<heigh; i++)
{
pchar = (uchar*) image->imagedata + i*widthstep;
for (j=0; j<width; j++)
{
uchar* temp = pchar +j*channel;
temp[0] -= 10; //通道b
temp[1] -= 10; //通道g
temp[2] -= 10; //通道r
}
}
cvshowimage("s",image);
cvwaitkey(0);
cvreleaseimage(&image);
cvdestroywindow("s");
return 0;
}