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Optimizing codes for compressed ultrafast photography by the genetic algorithm
Yang, Chengshuai1; Qi, Dalong1; Wang, Xing2; Cao, Fengyan1; He, Yilin1; Wen, Wenlong2; Jia, Tianqing1; Tian, Jinshou2; Sun, Zhenrong1; Gao, Liang3; Zhang, Shian1,4; Wang, Lihong V.5
作者部门精密物理量测量实验室
2018-02-20
发表期刊OPTICA
ISSN2334-2536
卷号5期号:2页码:147-151
产权排序2
摘要The compressed ultrafast photography (CUP) technique, providing the fastest receive-only camera so far, has shown to be a well-established tool to capture the ultrafast dynamical scene. This technique is based on random codes to encode and decode the ultrafast dynamical scene by a compressed sensing algorithm. The choice of random codes significantly affects the image reconstruction quality. Therefore, it is important to optimize the encoding codes. Here, we develop a new scheme to obtain the optimized codes by combining a genetic algorithm (GA) into the CUP technique. First, we measure the dynamical scene by the CUP system with random codes and obtain the dynamical scene image at each moment. Second, we use these reconstructed dynamical scene images as the optimization target and optimize the encoding codes based on the GA. Finally, we utilize the optimized codes to recapture the dynamical scene and improve the image reconstruction quality. We validate our optimization scheme by the numerical simulation of a moving double-semielliptical spot and the experimental demonstration of a time-and space-evolving pulsed laser spot. (c) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

学科领域Optics
DOI10.1364/OPTICA.5.000147
收录类别SCI ; EI
语种英语
WOS记录号WOS:000425507400009
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/30762
专题精密物理量测量实验室
作者单位1.East China Normal Univ, 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 Ultrafast Photoelect Diagnost Technol, Xian 710119, Shaanxi, Peoples R China;
3.Univ Illinois, Dept Elect & Comp Engn, 405 North Mathews Ave, Urbana, IL 61801 USA;
4.Shanxi Univ, Collaborat Innovat Ctr Extreme Opt, 92 Wucheng Rd, Taiyuan 030006, Shanxi, Peoples R China;
5.CALTECH, Andrew & Peggy Cherng Dept Med Engn, Dept Elect Engn, Caltech Opt Imaging Lab, 1200 East Calif Blvd,MC 138-78, Pasadena, CA 91125 USA
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GB/T 7714
Yang, Chengshuai,Qi, Dalong,Wang, Xing,et al. Optimizing codes for compressed ultrafast photography by the genetic algorithm[J]. OPTICA,2018,5(2):147-151.
APA Yang, Chengshuai.,Qi, Dalong.,Wang, Xing.,Cao, Fengyan.,He, Yilin.,...&Wang, Lihong V..(2018).Optimizing codes for compressed ultrafast photography by the genetic algorithm.OPTICA,5(2),147-151.
MLA Yang, Chengshuai,et al."Optimizing codes for compressed ultrafast photography by the genetic algorithm".OPTICA 5.2(2018):147-151.
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