发明名称 Apparatus and methods for controlling an on-screen display
摘要 The present invention provides an OSD display apparatus that prevents even a local OSD display from being blended with a surrounding background image. To implement this, the OSD display apparatus that superimposes an image or a character on a display image as an OSD display comprises an OSD generation circuit 11 for generating an OSD signal that is information on the OSD display, an extraction circuit 12 for extracting information on the hue of an OSD surrounding area on the display image, a hue comparison circuit 13 for comparing the information extracted by the extraction circuit 12 with the hue of the OSD signal generated by the OSD generation circuit 11, and a hue control circuit 14 for controlling the hue of the OSD signal based on the comparison result of the hue comparison circuit 13.
申请公布号 US7586545(B2) 申请公布日期 2009.09.08
申请号 US20050185694 申请日期 2005.07.21
申请人 HITACHI, LTD. 发明人 EBIHARA TATSUYA;OTSUKA MASATAKA
分类号 H04N5/445;G09G5/00;G09G5/02;G09G5/377;H04N9/64;H04N9/74 主分类号 H04N5/445
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