发明名称 |
IMAGE PICKUP DEVICE AND NOISE REDUCTION METHOD THEREOF |
摘要 |
There is provided an image pickup device capable of reducing noises, e.g., smears outputted from a CCD without using a special light amount adjusting device regardless of pixel defects. The image-pickup device includes a CCD having an image-pickup area and a storage area; a control unit for vertical-transferring signals of a line number having no pixel signal from a vertical-transfer register of the storage area and vertical-transferring more lines than the line number of a vertical-transfer register of the image-pickup area by the line number to the vertical-transfer register of the storage area during a period; an image signal obtaining unit for obtaining first image signals outputted from predetermined pixels of the CCD; an obtaining unit for obtaining the second image signals of the line number having no pixel signal of the storage area; and a correction unit for subtracting the second image signal from the first image signals.
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申请公布号 |
US2011013068(A1) |
申请公布日期 |
2011.01.20 |
申请号 |
US20100922522 |
申请日期 |
2010.01.14 |
申请人 |
HITACHI KOKUSAI ELECTRIC INC. |
发明人 |
SHIBASAKI TETSUYA |
分类号 |
H04N5/335;H04N5/341;H04N5/359;H04N5/367;H04N5/372;H04N5/376;H04N5/378 |
主分类号 |
H04N5/335 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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