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Fast non-line-of-sight imaging based on first photon event stamping

Zhupeng Li State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instruments, Tsinghua University, Beijing 100084, China; Key Laboratory of Photonic Control Technology (Tsinghua University), Ministry of Education, Beijing 100084, China Xintong Liu Yau Mathematical Sciences Center, Tsinghua University, Beijing 100084, China Jianyu Wang Yau Mathematical Sciences Center, Tsinghua University, Beijing 100084, China Zuoqiang Shi Department of Mathematical Sciences, Tsinghua University, Beijing 100084, China; Yanqi Lake Beijing Institute of Mathematical Sciences and Applications, Beijing 101408, China Lingyun Qiu Yau Mathematical Sciences Center, Tsinghua University, Beijing 100084, China; anqi Lake Beijing Institute of Mathematical Sciences and Applications, Beijing 101408, China Xing Fu State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instruments, Tsinghua University, Beijing 100084, China; Key Laboratory of Photonic Control Technology (Tsinghua University), Ministry of Education, Beijing 100084, China

TBD mathscidoc:2204.43012

Optics Letters, 47, (8), 1928-1931, 2022.4
Non-line-of-sight (NLOS) imaging enables people to see a hidden scene based on multiple interaction information between the object and the carrier. There have been numerous studies focusing on the physical modeling of photon scattering, but few have explored the detection process, which also plays a vital role. In this paper, we put forward a novel, to the best of our knowledge, detection methodology for NLOS imaging based on time-sequential first photon (TSFP) data. We verify the method with both synthetic and experimental data, showing a dramatic reduction in acquisition time cost compared with traditional methods for the same reconstruction quality. This work may contribute to real-time and photon-starved NLOS imaging for practical applications.
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@inproceedings{zhupeng2022fast,
  title={Fast non-line-of-sight imaging based on first photon event stamping },
  author={Zhupeng Li, Xintong Liu, Jianyu Wang, Zuoqiang Shi, Lingyun Qiu, and Xing Fu},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20220422153852881949110},
  booktitle={Optics Letters},
  volume={47},
  number={8},
  pages={1928-1931},
  year={2022},
}
Zhupeng Li, Xintong Liu, Jianyu Wang, Zuoqiang Shi, Lingyun Qiu, and Xing Fu. Fast non-line-of-sight imaging based on first photon event stamping . 2022. Vol. 47. In Optics Letters. pp.1928-1931. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20220422153852881949110.
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