opencv 遍历rgb图

void Traverse( IplImage* src )
{
	if ( src == NULL )  
    {  
        return ;  
    }  
      
    const int width     = src->width;  
    const int height    = src->height;  
    const int widthStep = src->widthStep;  
    const int channels  = src->nChannels;  
    uchar *data = (uchar *)src->imageData;  
    
	int* bgr = new int[channels];
	for ( int row = 0; row < height; ++row )
	{
		for ( int col = 0; col < width; ++col )
		{
			for ( int cha = 0; cha < channels; ++cha )
			{
				bgr[cha] = (int)data[cha + col * channels + row * widthStep];
			}
		}
	}
	delete( bgr );
}

    原文作者:数据结构之图
    原文地址: https://blog.csdn.net/u011504498/article/details/44589817
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