发明名称 Image input unit and image input method
摘要 The invention is characterized by the fact that an area sensor for outputting an analog signal responsive to the light reception amount of light of CMYG is used and when CMYG image data is converted into RGB image data, RGB image data having a domain also in negative values is generated without performing processing of putting the RGB image data into values of 0 or more, without decreasing the information amount of the CMYG image data. Further, the invention is characterized by the fact that when the image data is recorded in a file section 16 finally as a JPEG file, the pixel data of each color of YCbCr is represented as data type of eight bits and the information amount per pixel is 24 bits for recording more color information without increasing the memory capacity.
申请公布号 US8159502(B2) 申请公布日期 2012.04.17
申请号 US20080104640 申请日期 2008.04.17
申请人 SHIOHARA RYUICHI;SEIKO EPSON CORPORATION 发明人 SHIOHARA RYUICHI
分类号 G09G5/02;H04N9/04 主分类号 G09G5/02
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