VIDEO SIGNAL ENHANCEMENT METHOD AND UNIT AND DISPL

更新时间:2023-06-29 22:18:09 阅读: 评论:0

专利名称:VIDEO SIGNAL ENHANCEMENT METHOD AND UNIT AND DISPLAY APPARATUS
USING THE SAME宽容的近义词
发明人:FUNKE, Eric, P.
申请号:EP02715655.3
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申请日:20020128
阎姓
公开号:EP1368967A1
鼻子构造公开日:
20031210
专利内容由知识产权出版社提供
摘要:The video signal enhancement unit (100) and the image display apparatus containing the unit have a processing unit (102) for contrast modification of the video signal. The processing unit (102) receives input data from a contrast counter (112), designed to store a contrast count. The contrast count is decread by a pixel counter (104) each time the total number of pixels, that occur within a predetermined period of time and which have video signal levels that are higher than a predetermined video level, exceeds a predefined threshold. This predetermined period of time is a number of times shorter than one video field interval. The contrast count is incread each time a trigger means (114) generates a pul. A contrast comparator (116) can be coupled to the contrast counter (112) to limit the contrast count to a maximum contrast value.
申请人:Koninklijke Philips Electronics N.V.纪检组长>尝葡萄
地址:Groenewoudweg 1 5621 BA Eindhoven NL
国籍:NL
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代理机构:Groenendaal, Antonius Wilhelmus Maria
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