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Adaptive technique based on pseudo-contrast for determining CCD correlated double sampling
其他题名基于类对比度的CCD相关双采样自适应技术
Li, Hongbo1,2; Hu, Bingliang1; Yu, Lu1,2,3; Kong, Liang1; Yu, Tao1; Gao, Xiaohui1
作者部门光谱成像技术实验室
2018-03-25
发表期刊Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering
ISSN10072276
卷号47期号:3
产权排序1
摘要

Correlated double sampling is an indispensable processing technique for CCD signal conditioning. It can effectively reduce the reset noise. The double sampling clock phases are critical parameters determining correlected double sampling (CDS) technique's effectiveness. To automatically determine the CDS clock phases, a pseudo-contrast based method was proposed. Through globally searching the maximum of the pseudo-contrast function by changing the signal sampling location and the reset sampling location in a fixed scene imaging set-up, the CDS clock phases could be determined automatically. Principle of the method was explained in detail. A test bench system was designed to verify the proposed methods. Experimental results show the effectiveness of the proposed method with an uncertainty about 3%, the robustness to different light intensities and better SNR performance compared to the conventional method. © 2018, Editorial Board of Journal of Infrared and Laser Engineering. All right reserved.

DOI10.3788/IRLA201847.0320003
收录类别EI ; CSCD
语种中文
CSCD记录号CSCD:6222787
EI入藏号20182005205787
引用统计
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/30102
专题光谱成像技术实验室
作者单位1.Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an; 710119, China
2.University of Chinese Academy of Sciences, Beijing; 100049, China
3.School of Electron and Information Engineering, Xi'an Jiaotong University, Xi'an; 710049, China
推荐引用方式
GB/T 7714
Li, Hongbo,Hu, Bingliang,Yu, Lu,et al. Adaptive technique based on pseudo-contrast for determining CCD correlated double sampling[J]. Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,2018,47(3).
APA Li, Hongbo,Hu, Bingliang,Yu, Lu,Kong, Liang,Yu, Tao,&Gao, Xiaohui.(2018).Adaptive technique based on pseudo-contrast for determining CCD correlated double sampling.Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,47(3).
MLA Li, Hongbo,et al."Adaptive technique based on pseudo-contrast for determining CCD correlated double sampling".Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering 47.3(2018).
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