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Compressed ultrafast photography by multi-encoding imaging
Yang, Chengshuai1; Qi, Dalong1; Liang, Jinyang2; Wang, Xing3; Cao, Fengyan1; He, Yilin1; Ouyang, Xiaoping4; Zhu, Baoqiang4; Wen, Wenlong3; Jia, Tianqing1; Tian, Jinshou3; Gao, Liang5; Sun, Zhenrong1; Zhang, Shian1,6; Wang, Lihong V.7
Contribution Rank3

Imaging ultrafast dynamic scenes has been long pursued by scientists. As a two-dimensional dynamic imaging technique, compressed ultrafast photography (CUP) provides the fastest receive-only camera to capture transient events. This technique is based on three-dimensional image reconstruction by combining streak imaging with compressed sensing (CS). However, the image quality and the frame rate of CUP are limited by the CS-based image reconstruction algorithms and the inherent temporal and spatial resolutions of the streak camera. Here, we report a new method to improve the temporal and spatial resolutions of CUP. Our numerical simulation and experimental verification show that by using a multi-encoding imaging method, both the image quality and the frame rate of CUP can be significantly improved beyond the intrinsic technical parameters. Importantly, the temporal resolution by our scheme can break the limitation of the streak camera. Therefore, this new technology has potential benefits in many applications that require the ultrafast dynamic scene image with high temporal and spatial resolutions.

KeywordUltrafast Imaging Computational Imaging Imaging Reconstruction
Indexed BySCI
WOS IDWOS:000446318500001
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Document Type期刊论文
Corresponding AuthorZhang, Shian
Affiliation1.East China Normal Univ, State Key Lab Precis Spect, 3663 North Zhongshan Rd, Shanghai 200062, Peoples R China
2.Inst Natl Rech Sci, Ctr Energie Mat Telecommun, 1650 Blvd Lionel Boulet, Varennes, PQ J3X 1S2, Canada
3.Chinese Acad Sci, Xian Inst Opt & Precis Mech, Key Lab Ultrafast Photoelect Diagnost Technol, Xian 710119, Shaanxi, Peoples R China
4.Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Joint Lab High Power Laser & Phys, Shanghai 201800, Peoples R China
5.Univ Illinois, Dept Elect & Comp Engn, 405 North Mathews Ave, Urbana, IL 61801 USA
6.Shanxi Univ, Collaborat Innovat Ctr Extreme Opt, 92 Wucheng Rd, Taiyuan 030006, Shanxi, Peoples R China
7.CALTECH, Dept Elect Engn, Andrew & Peggy Cherng Dept Med Engn, Caltech Opt Imaging Lab, 1200 East Calif Blvd,MC 138-78, Pasadena, CA 91125 USA
Recommended Citation
GB/T 7714
Yang, Chengshuai,Qi, Dalong,Liang, Jinyang,et al. Compressed ultrafast photography by multi-encoding imaging[J]. LASER PHYSICS LETTERS,2018,15(11).
APA Yang, Chengshuai.,Qi, Dalong.,Liang, Jinyang.,Wang, Xing.,Cao, Fengyan.,...&Wang, Lihong V..(2018).Compressed ultrafast photography by multi-encoding imaging.LASER PHYSICS LETTERS,15(11).
MLA Yang, Chengshuai,et al."Compressed ultrafast photography by multi-encoding imaging".LASER PHYSICS LETTERS 15.11(2018).
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