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
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