This part includes: implementation of segmenting program, the whole designation of compression algorithm, segmentation of ROI, implementation of wavelet's transformation, silhouette's run-length coding and straight-line fitting coding and experimental results. 这一部分主要内容是:分割程序的实现,整个压缩方案的设计,感兴趣区域的分割,小波变换的实现,轮廓线的游程编码和直线拟合编码及实验结果。