发明授权
- 专利标题: Image pickup device with noise data generation
- 专利标题(中): 具有噪声数据生成的图像拾取装置
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申请号: US929659申请日: 1997-09-17
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公开(公告)号: US5943094A公开(公告)日: 1999-08-24
- 发明人: Shinji Sakai , Nobuo Fukushima , Akira Suga
- 申请人: Shinji Sakai , Nobuo Fukushima , Akira Suga
- 申请人地址: JPX Tokyo
- 专利权人: Canon Kabushiki Kaisha
- 当前专利权人: Canon Kabushiki Kaisha
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX3-223830 19910904; JPX3-223831 19910904; JPX4-253987 19920828
- 主分类号: H04N5/217
- IPC分类号: H04N5/217 ; H04N5/372 ; H04N9/64
摘要:
An image pickup device including: a solid state image pickup element; a memory; an image pickup data generating unit for generating image pickup data through an image pickup operation of reading data from the solid state image pickup element and A/D converting the data; a first processing unit for storing the image pickup data in the memory; a noise data generating unit for generating noise data through an operation, similar to the image pickup operation in a non-exposure state, of reading data from the solid state image pickup element and A/D converting the data; and a second processing unit for generating a desired image pickup data by subtracting an average data of a plurality of noise data obtained by a plurality of repetitive operations of the noise data generating unit, from the image pickup data stored in the memory means.
公开/授权文献
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