concrete_quantizer.py 文件源码

def quantize(cls, raster, n_colors, **kwargs):
        lab_raster = color.rgb2lab(raster)
        lab_quantized_raster = super(RGBtoLABmixin, cls).quantize(
            lab_raster, n_colors, **kwargs)
        quantized_raster = (color.lab2rgb(lab_quantized_raster) * 255).astype(
            'uint8')

        return quantized_raster