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长春光学精密机械与物... [1]
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会议论文 [1]
发表日期
2011 [1]
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The research on statistical properties of TDI-CCD imaging noise (EI CONFERENCE)
会议论文
International Symposium on Photoelectronic Detection and Imaging 2011: Advances in Imaging Detectors and Applications, May 24, 2011 - May 26, 2011, Beijing, China
Gu Y.-Y.
;
Shen X.-H.
;
He G.-X.
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提交时间:2013/03/25
TDI-CCD can improve the sensitivity of space camera without any degradation of spatial resolution which is widely used in aerospace imaging devices. The article describes the basic working principle and application characteristics of TDI-CCD devices
analyses the composition of TDI-CCD imaging noise
and propose a new method to analyze TDI-CCD imaging noise with statistical probability distribution. In order to estimate the distribution of gray values affect by noise we introduced the concept of skewness and kurtosis. We design an experiment using constant illumination light source
take image with TDI-CCD working at different stage such as stage 16
stage 32
stage 48
stage 64 and stage 96
analyse the characteristics of image noise with the method we proposed
experimental results show that the gray values approximately meet normal distribution in large sample cases. 2011 SPIE.
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