如何分别处理彩色图片的各个通道

snoopy123

想对一个RGB彩色图进行erode处理，知道需要分别对三个通道进行处理，但是如何操作呢？也就是如何对一个彩色图的三个通道分别腐蚀呢？

谢谢！！！

waker

split 这个命令可以分成多个通道

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╭ァ空白╭ァ

用这段代码进行分解：
IplImage* imgBlue =cvCreateImage(cvGetSize(src),8,1);
    IplImage* imgGreen=cvCreateImage(cvGetSize(src),8,1);
        IplImage* imgRed  =cvCreateImage(cvGetSize(src),8,1);
    cvSplit(src,imgBlue,imgGreen,imgRed,NULL);