The simulation results show that compared to the original SA-W-VQ algorithm, the improved algorithm can obtain better results in both objective and subjective image quality, the PSNR increased up to 0.24 dB.

• 仿真结果表明；相对于原SA-W-VQ算法；在运算量增加不大的情况下；本文算法能取得较优的结果；峰值信噪比(PSNR)最多提高0.；24dB；而且本文算法能获得稍优的视觉效果。