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OpenCV基本操作引入import cv2 as cvimport numpy as npimport randomsrc = cv.imread("E:\DIP\imag\l_hires.jpg")几何变换#图像裁剪 print(src.shape)#(2318,1084,3)new_src = src[200:600,300:700]cv.imwrite('new_src.jpg',new_src)# 图像尺寸变换img = cv.imread('new_src.jp