Mat数据类型转换 8位转64位

	Mat image1 = imread("C:\\Users\\aa\\Desktop\\6inch\\wafer1.png", 0);

	Mat fImg;
	image1.convertTo(fImg, CV_64FC1, 1, 0);  //1、0分别是比例因子,y = a*x + b

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转载自blog.csdn.net/qq_30263737/article/details/91519694