发明名称 IMAGE PICKUP UNIT, PICTURE PROCESSOR, IMAGE PICKUP PROGRAM AND PICTURE PROCESSING PROGRAM
摘要 PROBLEM TO BE SOLVED: To provide an image pickup unit capable of properly reproducing the gradation of a picture even in a flash emitted photographed scene. SOLUTION: This image pickup unit for acquiring picture information aa by allowing a stroboscope to emit a light as necessary, and for operating the photoelectric conversion of a subject image-formed by a lens is provided with a flash information acquiring information 27 for acquiring stroboscope relevant information jj related with the stroboscope (the presence or absence of flash, flash light quantity, and subject distance or the like), a photographic condition estimating circuit 28 for analyzing the distribution of luminance at the central part of the picture and the peripheral part from picture information hh to be processed based on the picture information aa, and for estimating a photographic scene based on the analyzed information and the stroboscope relevant information jj, and a gradation control circuit 29 for controlling the gradation of a picture by changing weighting at the time of generating a gradation conversion curve according to the estimated result of the photographic condition estimating circuit 28.
申请公布号 JP2002369075(A) 申请公布日期 2002.12.20
申请号 JP20010168557 申请日期 2001.06.04
申请人 OLYMPUS OPTICAL CO LTD 发明人 HORIUCHI KAZUHITO
分类号 G03B7/16;G03B15/05;G06T1/00;G06T5/00;G06T7/00;H04N1/407;H04N5/20;H04N5/243;H04N9/68;H04N101/00 主分类号 G03B7/16
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