问题描述
我只是尝试使用cv2（opencv python绑定）将过滤器应用于图像。以下是我的代码：
I am just trying to apply a filter to an image using cv2, the opencv python bindings. Here is what my code look like:
im = cv2.imread('./test_imgs/zzzyj.jpg')
cv2.imshow('Image', cv2.blur(im, 2)
cv2.waitKey(0)
它几乎是从。但是，它只是不起作用，没有比此消息更多的跟踪：
It's almost copy-and-paste from the documentation. However, it just doesn't work, with no more trace than this message:
SystemError: new style getargs format but argument is not a tuple
GaussianBlur也会出现同样的错误，但不会出现中位数。任何想法？
The same error occurs with GaussianBlur, but not with medianBlur. Any thoughts?
推荐答案
对于cv2.blur，你需要将ksize作为两个元素的元组，如（2,2）。但是对于medianBlur，ksize = 3就足够了。它将从中扣除一个方形内核。
For cv2.blur, you need to give ksize as a tuple of two elements , like (2,2). But for medianBlur, ksize = 3 is sufficient. It will deduct a square kernel from it.
所以制作如下代码：
im = cv2.imread('./test_imgs/zzzyj.jpg')
cv2.imshow('Image', cv2.blur(im, (3,3)))
cv2.waitKey(0)
cv2.destroyAllWindows()
希望它能起作用!!!
Hope it will work!!!
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