图像任意比例压缩或拉伸技术，包括横向和纵向.-image compression ratio or arbitrary drawing techniques, including horizontal and vertical.

matlab 分形压缩研究 分形压缩拥有很高的压缩比，用MATLAB实现时间较C要长 这里供参考,matlab fractal compression Fractal compression research has a high compression ratio, using MATLAB to achieve a longer time than C here for reference