发明名称 VISUAL RECOGNITION SYSTEM
摘要 <P>PROBLEM TO BE SOLVED: To track a pattern image with a camera recognition system. <P>SOLUTION: To project an infrared or near infrared image onto a reference surface from a projection device placed on a guiding object such as a pen or pointer in order to find and continuously follow orientation of the guiding object such as a pen or pointer relative to the reference surface. <P>COPYRIGHT: (C)2013,JPO&INPIT
申请公布号 JP2013033494(A) 申请公布日期 2013.02.14
申请号 JP20120221513 申请日期 2012.10.03
申请人 EPSON NORWAY RESEARCH AND DEVELOPMENT AS 发明人 NJOLSTAD TORMOD;LINDGREN MIKAEL;OEYSTEIN DAMHAUG;FRETHEIM THOMASSEN SEDSEL
分类号 G06F3/042;G03B21/00;G06F3/03;G06F3/0354;G06F3/038;G06F3/041 主分类号 G06F3/042
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