6Cohen F S.3D object recoginition from a single image.SPIE,1984;521:7-20
7Penna M A.Local and semi-local shape from shading for a single perspective image of a smooth object.Computer Vision,Graphics,and Image Processing,1989;46(3);346-366
8[美1M.克莱因.古今数学思想[M].上海:上海科学技术出版社,1979.
9黄钟琏.建筑和阴影透视[M].上海:同济大学出版社,1989.
10陈伯雄 冯伟.Visual LISP for AutoCAD2000程序设计[M].北京:机械工业出版社,2000...