读取、写入和处理各种图像 https://github.com/imageio/imageio
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README.md
imageio
读取、写入和处理各种图像
Usage
import imageio
im = imageio.imread('imageio:astronaut.png')
print(im.shape) # im 是一个 NumPy 数组 (512, 512, 3)
imageio.imwrite('astronaut-gray.jpg', im[:, :, 0])