发明名称 PRESENTATION SYSTEM AND POSITION DETECTING METHOD
摘要 <p>PROBLEM TO BE SOLVED: To provide a presentation system capable of accurately detecting the position as a pointing position in the case that a presenter indicates the desired position of a display area without the need of a special indicator. SOLUTION: This presentation system is provided with a projector 10 for displaying images, a CCD camera 14 for picking up the image of the display area and a processing part 110 for detecting the pointing position from the area of the shadow of the indication image of the presenter or a real image area included in the display area based on the image pickup signals of an image pickup means.</p>
申请公布号 JPH11345087(A) 申请公布日期 1999.12.14
申请号 JP19990089027 申请日期 1999.03.30
申请人 SEIKO EPSON CORP 发明人 KOHATA TAKESHI;HIRAMATSU KAZUNORI;KOMENO KUNIO;NAKAMURA JUNICHI
分类号 G06F3/041;G06F3/033;G06F3/048;(IPC1-7):G06F3/033 主分类号 G06F3/041
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