光电工程, 2003, 30 (2): 56, 网络出版: 2007-11-14
欠采样噪声分析与光电一体化设计
Undersampled noise analysis and integral electro-optical design
摘要
欠采样噪声产生分布于整个画面的附加像,给目标识别等应用带来困难.基于信息理论,建立了欠采样噪声的应用分析模型,提出了采样成像系统光电一体化设计方法.通过仿真试验,得出欠采样噪声与光学成像系统参数的关系.理论分析和仿真证明,根据系统互信息量选择光、电系统参数,可以减小欠采样噪声,提高图像质量.
Abstract
参考文献
[1] PARK S K,RAHMAN Z. Fidelity analysis of sampled imaging systems [J]. Opt.Eng, 1999,38(5):786-800.
[2] HUCK F O, FALES C L, PARK S K, et al. Information-theoretical assessment ofsampled imaging systems [J]. Opt.Eng,1999,38(5):742-762.
[3] 曹志刚,钱亚生.现代通信原理[M].北京:清华大学出版社,2000.
[4] FIELD D J. Relations between the statistic s of natural images and the response properties of cortical cells[J]. J. Opt. Soc. Am. A, 1987,4(12):2379-2392.
[5] 韩昌元. 信息光学基础理论及其应用[M].长春:长春出版社,1989.
迟学芬, 韩昌元, 易志栋. 欠采样噪声分析与光电一体化设计[J]. 光电工程, 2003, 30(2): 56. 迟学芬, 韩昌元, 易志栋. Undersampled noise analysis and integral electro-optical design[J]. Opto-Electronic Engineering, 2003, 30(2): 56.