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Design of low noise processing technology based on digital domain
Author(s): Da-lei Yao; Jian-ru Xue; Fan Bu; Qing Zhu; Hong-wei Yi; Wei-cheng Cao
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Paper Abstract

In order to break through the bottleneck of traditional CCD camera in suppressing noise, this paper designs a new system of digital domain correlation double sampling. The CCD video signal is digitized by a high-speed, high-resolution A/D converter at a sampling frequency much higher than the readout rate, and then an optimal digital signal processing algorithm is designed for the characteristics of the CCD signal readout noise to suppress noise. Experiments show that the system can suppress the readout noise at 8.1 e- at 500K read rate, which can reduce the output noise of CCD more effectively.

Paper Details

Date Published: 20 December 2019
PDF: 8 pages
Proc. SPIE 11209, Eleventh International Conference on Information Optics and Photonics (CIOP 2019), 112091I (20 December 2019); doi: 10.1117/12.2547337
Show Author Affiliations
Da-lei Yao, Xi’an Jiaotong Univ. (China)
Xi'an Institute of Optics and Precision Mechanics (China)
Jian-ru Xue, Xi’an Jiaotong Univ. (China)
Fan Bu, Xi'an Institute of Optics and Precision Mechanics (China)
Qing Zhu, Xi'an Institute of Optics and Precision Mechanics (China)
Hong-wei Yi, Xi'an Institute of Optics and Precision Mechanics (China)
Wei-cheng Cao, Xi'an Institute of Optics and Precision Mechanics (China)


Published in SPIE Proceedings Vol. 11209:
Eleventh International Conference on Information Optics and Photonics (CIOP 2019)
Hannan Wang, Editor(s)

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