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Three-dimensional imaging through scattering media based on confocal diffuse tomography

Author

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  • David B. Lindell

    (Stanford University)

  • Gordon Wetzstein

    (Stanford University)

Abstract

Optical imaging techniques, such as light detection and ranging (LiDAR), are essential tools in remote sensing, robotic vision, and autonomous driving. However, the presence of scattering places fundamental limits on our ability to image through fog, rain, dust, or the atmosphere. Conventional approaches for imaging through scattering media operate at microscopic scales or require a priori knowledge of the target location for 3D imaging. We introduce a technique that co-designs single-photon avalanche diodes, ultra-fast pulsed lasers, and a new inverse method to capture 3D shape through scattering media. We demonstrate acquisition of shape and position for objects hidden behind a thick diffuser (≈6 transport mean free paths) at macroscopic scales. Our technique, confocal diffuse tomography, may be of considerable value to the aforementioned applications.

Suggested Citation

  • David B. Lindell & Gordon Wetzstein, 2020. "Three-dimensional imaging through scattering media based on confocal diffuse tomography," Nature Communications, Nature, vol. 11(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-18346-3
    DOI: 10.1038/s41467-020-18346-3
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    Cited by:

    1. Dongyu Du & Xin Jin & Rujia Deng & Jinshi Kang & Hongkun Cao & Yihui Fan & Zhiheng Li & Haoqian Wang & Xiangyang Ji & Jingyan Song, 2022. "A boundary migration model for imaging within volumetric scattering media," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    2. Chung Il Park & Seungah Choe & Woorim Lee & Wonjae Choi & Miso Kim & Hong Min Seung & Yoon Young Kim, 2023. "Ultrasonic barrier-through imaging by Fabry-Perot resonance-tailoring panel," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    3. Florian Willomitzer & Prasanna V. Rangarajan & Fengqiang Li & Muralidhar M. Balaji & Marc P. Christensen & Oliver Cossairt, 2021. "Fast non-line-of-sight imaging with high-resolution and wide field of view using synthetic wavelength holography," Nature Communications, Nature, vol. 12(1), pages 1-11, December.
    4. Yaoyao Shi & Wei Sheng & Yangyang Fu & Youwen Liu, 2023. "Overlapping speckle correlation algorithm for high-resolution imaging and tracking of objects in unknown scattering media," Nature Communications, Nature, vol. 14(1), pages 1-8, December.

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