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from scipy  import misc

def imread(name, flatten=False, mode=None)    pass"""读取一张图片返回array，uint8，"""def imsave(name, arr, format=None):    pass"""Save an array as an image. 自动的调用将图片转成0-255范围内的arr : ndarray, MxN or MxNx3 or MxNx4        Array containing image values.  If the shape is ``MxN``, the array        represents a grey-level image.  Shape ``MxNx3`` stores the red, green        and blue bands along the last dimension.  An alpha layer may be        included, specified as the last colour band of an ``MxNx4`` array."""

注意上面对图片读取和保存的函数会被弃用，使用如下代替：

import imageioimageio.imread()imageio.imwrite()

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