PreProcess.py 文件源码

def gray(image):
        """
        :return: self.images

        ?????
        """

        image = image.convert('RGB')
        image = image.filter(ImageFilter.MedianFilter())
        r, g, b = image.split()
        x, y = image.size
        for j in xrange(x):
            for k in xrange(y):
                pixelr = r.getpixel((j, k))
                pixelg = g.getpixel((j, k))
                pixelb = b.getpixel((j, k))
                pixel = int(0.3 * pixelr + 0.59 * pixelg + 0.11 * pixelb)
                r.putpixel((j, k), pixel)
        image = r
        image = image.filter(ImageFilter.MedianFilter())
        return image