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Cv2.imshow 大小

#参考代码import cv2img = cv2.imread('test.jpg',0)crop_img = img[300:400, 50:300]cv2.imshow("image", crop_img)cv2.waitKey(0)

重启python IDLE

[1] except: filename = "abc.jpg" img = cv2.imread( filename ) cv2.namedWindow("demo1") cv2.imshow("demo1", img) cv2.waitKey(0) 错误:OpenCV ...

blur = cv2.GaussianBlur(img,(5,5),0)plt.subplot(1,2,1),plt.imshow(img,‘gray‘)#默认彩色,另一种彩色bgrplt.subplot(1,2,2),plt.imshow(blur,...

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