LINGoodfellow

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关于第13节的一些bug调正分享

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首先谢谢作者，分享如此干货 貌似OpenCV 3.X 之后findContours()就返回两个参数了，所以如果出bug，可以尝试改成 contours, hierarchy = cv2.findContours( thresh, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE) 后面得改成for cnt in contours: cv2.drawContours(img, [cnt], 0, (0, 0, 255), 2) 不然会出现，只识别了‘1’或者'3'单个数字轮廓的情况