发明名称 BRIGHTNESS ADJUSTMENT CIRCUIT OF IMAGE PROCESSOR, AND ITS BRIGHTNESS ADJUSTMENT METHOD
摘要 <P>PROBLEM TO BE SOLVED: To highlight a part with high brightness and a part with low brightness by means of brightness adjustment and to clearly display a part to be watched in an image. <P>SOLUTION: To raise a brightness level, a minimum brightness level is raised while fixing a maximum brightness level as it is, an adjustment range at a part with high brightness of an input image is made large and an adjustment range at a part with low brightness thereof is made small. In contrast, to reduce the brightness, the maximum brightness level is reduced while fixing the minimum brightness level as it is, and the brightness of the image is highlighted by reducing the adjustment range at the part with high brightness of the image and by enlarging the adjustment range at the part with low brightness thereof. <P>COPYRIGHT: (C)2007,JPO&INPIT
申请公布号 JP2007219631(A) 申请公布日期 2007.08.30
申请号 JP20060036736 申请日期 2006.02.14
申请人 TOSHIBA CORP 发明人 IWASAKI MASAKI
分类号 G06T5/00;H04N5/14 主分类号 G06T5/00
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