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Effect of point spread function position bias in wavefront coding infrared imaging system
Feng B(冯斌)1,2,3; Shi ZL(史泽林)1,2; Liu HZ(刘海峥)1,2; Zhao YH(赵耀宏)1,2; Zhang, Jianlei4
Department光电信息技术研究室
Corresponding AuthorFeng, Bin(fengbin@nwpu.edu.cn)
Source PublicationJournal of Optics (United Kingdom)
ISSN2040-8978
2020
Volume22Issue:2Pages:1-10
Indexed BySCI ; EI
EI Accession number20201008255206
WOS IDWOS:000519062200001
Contribution Rank1
Funding OrganizationChina Postdoctoral Science FoundationChina Postdoctoral Science Foundation [2017M621174] ; Natural Science Basic Research Plan in Shaanxi Province of China [2018JM6041] ; Fundamental Research Funds for the Central UniversitiesFundamental Research Funds for the Central Universities [3102019ZDHKY08]
Keywordwavefront coding infrared imaging PSF position bias decoded image
Abstract

By an experimental finding, for a given radiant point source and a given infrared detector sampling, an optical point spread function (PSF) falling on different positions of an infrared detector focal plane array, will result in different measured PSFs. Those measured PSFs known as decoding kernels will further produce different decoded images. Therefore, this work explores the effect of PSF position bias on decoded images in a wavefront coding infrared imaging system. This paper theoretically analyzes the effect of PSF position bias on decoded images. A simulation is conducted for qualitatively evaluating the effect of PSF position bias on decoded images by mean structural similarity (MSSIM) index. Simulated results prove that the probability for MSSIM index greater than 0.75 is 91.38%, and that for less than 0.5 is only 1.22% but this minority seriously degrades the decoded images. We construct an experimental setup for capturing the raw PSF image at a random position and proposes a procedure to reduce the noise of a raw PSF image. The experimental result demonstrates the feasibility for measuring a PSF to achieve a decoded image with good quality.

Language英语
WOS SubjectOptics
WOS KeywordATHERMALIZATION
WOS Research AreaOptics
Funding ProjectChina Postdoctoral Science Foundation[2017M621174] ; Natural Science Basic Research Plan in Shaanxi Province of China[2018JM6041] ; Fundamental Research Funds for the Central Universities[3102019ZDHKY08]
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/26440
Collection光电信息技术研究室
Corresponding AuthorFeng B(冯斌)
Affiliation1.Key Laboratory of Opto-Electronic Information Processing, Chinese Academy of Sciences, Shenyang 110016, China
2.Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
3.School of Automation, Northwestern Polytechnical University, Xi'an 710072, China
4.College of Electronic Engineering, Xi'an University of Post and Telecommunications, Xi'an 710121, China
Recommended Citation
GB/T 7714
Feng B,Shi ZL,Liu HZ,et al. Effect of point spread function position bias in wavefront coding infrared imaging system[J]. Journal of Optics (United Kingdom),2020,22(2):1-10.
APA Feng B,Shi ZL,Liu HZ,Zhao YH,&Zhang, Jianlei.(2020).Effect of point spread function position bias in wavefront coding infrared imaging system.Journal of Optics (United Kingdom),22(2),1-10.
MLA Feng B,et al."Effect of point spread function position bias in wavefront coding infrared imaging system".Journal of Optics (United Kingdom) 22.2(2020):1-10.
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