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DEVICE FOR CORRECTING A DIFFERENCE OF GR AND GB SENSITIVITY IN IMAGE SENSOR AND METHOD THEREOF
DEVICE FOR CORRECTING A DIFFERENCE OF GR AND GB SENSITIVITY IN IMAGE SENSOR AND METHOD THEREOF
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机译：用于校正图像传感器中的GR和GB灵敏度的差异的装置及其方法
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摘要
PURPOSE: An offset compensation device and a compensation method thereof are provided to compensate for offset between a Gr pixel and a Gb pixel. CONSTITUTION: An offset compensation device generates an input image as a pixel image of a five by five window size(S110). The offset compensation device defines a surrounding GB pixel including the largest offset(S120). The offset compensation device determines a compensation pixel value of a center pixel(S130). When the center pixel does not exist in an edge area, the offset compensation device outputs a pixel value of the center pixel(S150,S160). When the center pixel does not exist in the edge area, the offset compensation device outputs the compensation pixel value of the center pixel(S170). [Reference numerals] (AA) Start; (BB) Yes; (CC) No; (DD) End; (S110) Inputting a 5 x 5 window; (S120) Defining a surrounding pixel with the largest offset between a Gr pixel and a Gb pixel; (S130) Calculating the compensated pixel value(P33') of a center pixel; (S140) Verifying an edge region; (S150) Is the center pixel included in the edge region?; (S160) P33'=P33(maintaining a non-compensated value); (S170) Outputting P33'
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