发明名称 IDENTIFYING PROCEDURE AND SYSTEM
摘要 An identifying procedure and system for identifying a visual object, the object to be identified (I) being marked with a po- larizing surface (2) provided in the region of the object. Observation of th e object is accomplished by utilizing the lighting prevail- ing at the object and in its ambience, on the basis of the polarized light (4a) reflected by said polarizing surface.
申请公布号 CA2098575(A1) 申请公布日期 1992.06.18
申请号 CA19912098575 申请日期 1991.12.16
申请人 RANTALAINEN, ERKKI 发明人 RANTALAINEN, ERKKI
分类号 G06K7/10;G06T1/00;(IPC1-7):G06K7/14 主分类号 G06K7/10
代理机构 代理人
主权项
地址