import cv2 #读取图像 img = cv2.imread('~/Downloads/img_test.png') #获取图像高与宽 height,width = len(img), len(img[0]) #裁剪图像，上方为y0,下方为y1,左方为x0,右方为x1,裁剪图像格式为[y0:y1,x0:x1] img_tailor = img[int(5/13*height):int(13/15*height),int(2/7*width):int(5/7*width)] #写入图像 cv2.imwrite('~/Downloads/img_tailor.png',img_tailor)