采用自组织映射算法（SOM）设计码书，达到全局最优，同时采用组合码字和图像块动态划分等优化算法，最终实现的码书性能比LBG算法有很大提高。这是中科大视频技术的final project，附有最终版的report和presention。-Using self-organizing map algorithm (SOM) designed codebook, the global optimum, while using a combination code word and image blocks delineation dynamic optimization algorithm, and ultimately the codebook performance than the LBG algorithm has greatly improved. This is the USTC video technology final project, with the final version of the report and the presention.