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    • 1. 发明授权
    • 백점 결함 보완 회로 및 이 백점 결함 보완 회로를 이용한 이미지 센서
    • 백점결함보완회로및이백점결함보완회로를이용한이미지센서
    • KR100874935B1
    • 2008-12-19
    • KR1020030007674
    • 2003-02-07
    • 후지쯔 세미컨덕터 가부시키가이샤
    • 코쿠보아사오후나코시쥰야마모토카츠요시
    • H04N5/367
    • H04N5/3675
    • A circuit for correction of white pixel defects capable of complementing white pixel faults without using a storage device for holding white pixel fault spots, and an image sensor using the circuit for correction of white pixel defects. Pixels constituting a pixel section are sequentially subjected to white pixel fault complementation process. A nearby pixel data holding section acquires pixel data from a readout circuit and holds the data. A comparison-determination section compares lightness of a target pixel with that of a nearby pixel and determines, based on the comparison result, whether or not the target pixel is associated with a white pixel fault having a lightness higher than that of the nearby pixel by a predetermined value or more. When it is judged by the comparison-determination section that the target pixel is associated with a white pixel fault, a complementary calculation section performs a complementary calculation by using the pixel data of the target and nearby pixels held by the nearby pixel data holding section, to generate complemented data.
    • 一种用于校正白色像素缺陷的电路,该电路能够补充白色像素故障,而不使用用于保持白色像素故障点的存储设备,以及使用该电路来校正白色像素缺陷的图像传感器。 构成像素部分的像素顺序经受白像素故障补充处理。 附近的像素数据保持部分从读出电路获取像素数据并保存该数据。 比较确定部分比较目标像素的亮度与邻近像素的亮度,并且基于比较结果确定目标像素是否与具有亮度高于邻近像素的亮度的白色像素故障相关联 预定值或更多。 当由比较确定部分判断目标像素与白像素故障相关联时,互补计算部分通过使用由邻近像素数据保持部分保持的目标和邻近像素的像素数据来执行互补计算, 生成补充数据。