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即使孤独依旧前行 2020-07-08 23:24:44 +08:00 committed by GitHub
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@ -34,7 +34,7 @@ cv2.imshow('Image',img)
cv2.waitKey(0) cv2.waitKey(0)
# waitKey() 是一个键盘绑定函数，参数以毫秒为单位。对于GUI事件，必须使用waitKey()函数。 # waitKey() 是一个键盘绑定函数，参数以毫秒为单位。对于GUI事件，必须使用waitKey()函数。
# Writing an image # 保存图片
cv2.imwrite('catgray.png',img) cv2.imwrite('catgray.png',img)
# 第一个参数是文件名，第二个参数是图像 # 第一个参数是文件名，第二个参数是图像