图像识别教程笔记.docx

像素范围处理函数saturate_cast<uchar>() 定义掩膜：Mat kernel = (Mat_(char)(3,3)<<0,-1,0, -1,5,-1,0,-1,0); Filter2D(src, dst, src.depth(), kernel); 读Gray像素点：Scalar intensity = image.at<uchar>(row, col);( mage.at<uch

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