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Optimal PSF Estimation for Simple Optical System Using a Wide-Band Sensor Based on PSF Measurement
Zheng, Yunda1,2; Huang, Wei1; Pan, Yun2; Xu, Mingfei1
2018-10-01
发表期刊SENSORS
ISSN1424-8220
卷号18期号:10页码:11
通讯作者Huang, Wei(huangw@ciomp.ac.cn)
摘要Simple optical system imaging is a method to simplify optical systems by removing aberrations using image deconvolution. The point spread function (PSF) used in deconvolution is an important factor that affects the image quality. However, it is difficult to obtain optimal PSFs. The blind estimation of PSFs relies heavily on the information in the image. Measured PSFs are often misused because real sensors are wide-band. We present an optimal PSF estimation method based on PSF measurements. Narrow-band PSF measurements at a single depth are used to calibrate the optical system; these enable the simulation of real lenses. Then, we simulate PSFs in the wavelength pass range of each color channel all over the field. The optimal PSFs are computed according to these simulated PSFs. The results indicated that the use of the optimal PSFs significantly reduces the artifacts caused by misuse of PSFs, and enhances the image quality.
关键词imaging sensors point spread function image restoration deconvolution simple optical system
DOI10.3390/s18103552
关键词[WOS]DECONVOLUTION ; DEMOSAICKING
收录类别SCI
语种英语
资助项目State Key Laboratory of applied optics
项目资助者State Key Laboratory of applied optics
WOS研究方向Chemistry ; Electrochemistry ; Instruments & Instrumentation
WOS类目Chemistry, Analytical ; Electrochemistry ; Instruments & Instrumentation
WOS记录号WOS:000448661500380
出版者MDPI
引用统计
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/60307
专题中国科学院长春光学精密机械与物理研究所
通讯作者Huang, Wei
作者单位1.Chinese Acad Sci, State Key Lab Appl Opt, Changchun Inst Opt Fine Mech & Phys, Changchun 130033, Jilin, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Zheng, Yunda,Huang, Wei,Pan, Yun,et al. Optimal PSF Estimation for Simple Optical System Using a Wide-Band Sensor Based on PSF Measurement[J]. SENSORS,2018,18(10):11.
APA Zheng, Yunda,Huang, Wei,Pan, Yun,&Xu, Mingfei.(2018).Optimal PSF Estimation for Simple Optical System Using a Wide-Band Sensor Based on PSF Measurement.SENSORS,18(10),11.
MLA Zheng, Yunda,et al."Optimal PSF Estimation for Simple Optical System Using a Wide-Band Sensor Based on PSF Measurement".SENSORS 18.10(2018):11.
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