So these few colors can be used to creat a new image and keep the color quantization errors between the new image and the onginal one to be the least.

• 颜色量化是将原有图像中的多种颜色根据人的视觉效果归类为较少的颜色,从而用这些较少种类的颜色重新生成一幅新的图像,使量化后的图像与原图像的差别即量化误差最小。