发明名称 Exposure control apparatus and method thereof
摘要 The exposure control apparatus comprises screen divider which divides the screen into a many areas, and high luminance decider which decides, for each area of the screen, whether a main subject having a high luminance exists within that area. Further, average luminance calculator calculates average luminance in that area of the screen which is decided as including the main subject, and exposure value determiner determines the exposure value based on the calculated average luminance.
申请公布号 US7023484(B2) 申请公布日期 2006.04.04
申请号 US20010839294 申请日期 2001.04.23
申请人 RICOH COMPANY, LTD. 发明人 WATANABE TOSHIAKI
分类号 G03B7/28;H04N5/238;H04N5/235 主分类号 G03B7/28
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