发明名称 CONTROL DEVICE AND PROJECTION VIDEO DISPLAY DEVICE
摘要 The disclosed projection video display device can reproduce the original colors of a color video well even when projecting said video onto a colored screen, wall, or the like. Said projection video display device (200) is provided with a projection unit (10), which projects a video onto a screen via a lens, and an imaging unit (30) for imaging the screen. A screen rectangle detection unit (40) detects a screen rectangle in an image taken by the imaging unit (30). A screen color determination unit (60) determines the color of the screen from the area inside the detected screen rectangle. A color correction unit (70) performs color correction on the video such that the hues in the video, which assume a white screen, are reproduced on the colored screen.
申请公布号 WO2011142197(A1) 申请公布日期 2011.11.17
申请号 WO2011JP58686 申请日期 2011.04.06
申请人 SANYO ELECTRIC CO.,LTD.;TAKAHASHI TATSUYA;NAKAKUKI TOSHIO 发明人 TAKAHASHI TATSUYA;NAKAKUKI TOSHIO
分类号 H04N9/31;G03B21/00;G09G5/00;G09G5/02;H04N9/73 主分类号 H04N9/31
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