This paper discusses a deep research in LPT,which is the basic theory of Space-variant vision system,and puts forward a mapping algorithm and a reduetive algorithm.

• 对空间分辨率可变视觉系统中的基础理论:对数极坐标映射模型进行深人研究与探讨,提出实现映射算法和还原算法的详细步骤并加以分析。