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Improving the image reconstruction quality of compressed ultrafast photography via an augmented Lagrangian algorithm
Yang, Chengshuai1; Qi, Dalong1; Cao, Fengyan1; He, Yilin1; Wang, Xing2; Wen, Wenlong2; Tian, Jinshou2; Jia, Tianqing1; Sun, Zhenrong1; Zhang, Shian1,3
作者部门精密物理量测量实验室
2019-03
发表期刊JOURNAL OF OPTICS
ISSN2040-8978;2040-8986
卷号21期号:3
产权排序2
摘要

Compressed ultrafast photography (CUP) has been shown to be a powerful tool to measure ultrafast dynamic scenes. In previous studies, CUP used a two-step iterative shrinkage/thresholding (TwIST) algorithm to reconstruct three-dimensional image information. However, the image reconstruction quality greatly depended on the selection of the penalty parameter, which caused the reconstructed images to be unable to be correctly determined if the ultrafast dynamic scenes were unknown in advance. Here, we develop an augmented Lagrangian (AL) algorithm for the image reconstruction of CUP to overcome the limitation of the TwIST algorithm. Our numerical simulations and experimental results show that, compared to the TwIST algorithm, the AL algorithm is less dependent on the selection of the penalty parameter, and can obtain higher image reconstruction quality. This study solves the problem of the image reconstruction instability, which may further promote the practical applications of CUP.

关键词compressed ultrafast photography computational imaging compressed sensing augmented Lagrangian
DOI10.1088/2040-8986/ab00d9
收录类别SCI
语种英语
WOS记录号WOS:000458924300001
出版者IOP PUBLISHING LTD
引用统计
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/31172
专题精密物理量测量实验室
通讯作者Zhang, Shian
作者单位1.East China Normal Univ, Sch Phys & Mat Sci, State Key Lab Precis Spect, 3663 North Zhongshan Rd, Shanghai 200062, Peoples R China
2.Chinese Acad Sci, Xian Inst Opt & Precis Mech, Key Lab Ultra Fast Photoelect Diagnost Technol, Xian 710119, Shaanxi, Peoples R China
3.Shanxi Univ, Collaborat Innovat Ctr Extreme Opt, 92 Wucheng Rd, Taiyuan 030006, Peoples R China
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Yang, Chengshuai,Qi, Dalong,Cao, Fengyan,et al. Improving the image reconstruction quality of compressed ultrafast photography via an augmented Lagrangian algorithm[J]. JOURNAL OF OPTICS,2019,21(3).
APA Yang, Chengshuai.,Qi, Dalong.,Cao, Fengyan.,He, Yilin.,Wang, Xing.,...&Zhang, Shian.(2019).Improving the image reconstruction quality of compressed ultrafast photography via an augmented Lagrangian algorithm.JOURNAL OF OPTICS,21(3).
MLA Yang, Chengshuai,et al."Improving the image reconstruction quality of compressed ultrafast photography via an augmented Lagrangian algorithm".JOURNAL OF OPTICS 21.3(2019).
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