发明名称 Digital still camera which displays a gamma-corrected high-quality still image upon depression of a shutter release button but without displaying an unwanted image
摘要 A digital still camera includes a shutter release button. A first gamma correction circuit, when a shutter release button is depressed, references a first gamma table to correct a camera signal by a gamma characteristic of a raster scan display, creating a first image signal. The first image signal is subjected to interpolation/thinning-out and image processing by a first signal processing circuit. A thinned-out image signal is corrected in a second gamma correction circuit by a gamma characteristic for converting a raster-scan display gamma characteristic into a dot-matrix display gamma characteristic, thereby creating a second image signal. The second image signal is displayed on an LCD (Liquid Crystal Display). The first image signal is also subjected by a second signal processing circuit to interpolation, YUV conversion and JPEC compression so that a compressed image signal is stored in a memory flash. The compressed image signal is read out of the flash memory as required, to be outputted to a CRT.
申请公布号 US5990949(A) 申请公布日期 1999.11.23
申请号 US19970863975 申请日期 1997.05.27
申请人 发明人
分类号 H04N1/21;H04N5/202;H04N5/225;(IPC1-7):H04N5/202 主分类号 H04N1/21
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