Vector quantization(VQ) is an efficient lossy compression technique, whose prominent virtues are high compression ratio and simple decoding process, so it has become one of important compression techniques for image coding.

• 矢量量化(VQ)作为一种有效的有损压缩技术,其突出优点是压缩比大以及解码算法简单,因此它已经成为图像压缩编码的重要技术之一。