%0 Journal Article
%T A GROUP OF PROJECTIVE INVARIANTS FOR RECOGNITION OF PLANAR POLYGONS<br>一组用于识别平面多边形的射影不变量
%A CHEN Yan
%A Xin
%A QI Fei
%A Hu
%A <br>陈燕新
%A 戚飞虎
%J 红外与毫米波学报
%D 1998
%I Science Press
%X A group of projective invariants was derived based on the cross ratio of five coplanar points, and used to recognize planar polygons. Experimental results show that the invariants have projective invariance and can be used to recognize planar polygons effectively.
%K cross
%K ratio
%K recognition of planar polygons
%K perspective projection
%K projective invariant<br>交比
%K 平面多边形识别
%K 射影不变量
%K 计算机视觉
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=1319827C0C74AAE8D654BEA21B7F54D3&jid=D3B4F771D1A06062008B4D0A2EF05996&aid=F4554D593DDFA0DF&yid=8CAA3A429E3EA654&vid=BCA2697F357F2001&iid=0B39A22176CE99FB&sid=A4FA325EA800C820&eid=F24949CFDB502409&journal_id=1001-9014&journal_name=红外与毫米波学报&referenced_num=5&reference_num=7