【摘要】 本文给出了射影映射为透视映射的两个充要条件 ,这两个充要条件与射影变换为对合的充要条件是一致的更多还原

【Abstract】 This paper presents the two conditions:Sufficient condition and necessary condition for the links of perspective mapping and projective mapping.These two conditions are in accordance with the conditions which projective mapping to involution.更多还原