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有没有能获取图像的各lab分量图像的函数
先用
image.rgb_to_lab()
再用
img.to_grayscale(lab_channel=x)
可以吗
如果要获取某个像素点的lab值的话，先get_pixel(x, y)获得rgb的值，然后运行image.rgb_to_lab()计算出lab的值。