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GoThro: optical transfer of camera viewpoint using retro-transmissive optical system

Published: 04 December 2018 Publication History

Abstract

Recent advances in computational photography have enabled the creation of images that contain additional attributes. However, capturing images of objects concealed behind obstructions or out of a camera's field of view is a challenge. We designed an optical transformation system that utilizes a conventional camera, a concave lens, and Micro-Mirror Array Plates (MMAPs) to enable images to be captured through small holes in walls or other obstructions. Our experimental prototype demonstrated that it was possible to capture images of the area on the other side of a wall through a 3-mm hole. Our system could be used to capture images from places difficult to position a camera, such in rubble in disaster areas.

References

[1]
S. K. Nayar. 2006. Computational Cameras: Redefining the Image. Computer 39, 8 (Aug 2006), 30--38.
[2]
Matthew O'Toole, David B. Lindell, and Gordon Wetzstein. 2018. Real-time Non-line-of-sight Imaging. In ACM SIGGRAPH 2018 Emerging Technologies (SIGGRAPH '18). ACM, New York, NY, USA, Article 14, 2 pages.

Cited By

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  • (2023)Shadowless Projection Mapping using Retrotransmissive OpticsIEEE Transactions on Visualization and Computer Graphics10.1109/TVCG.2023.324710429:5(2280-2290)Online publication date: May-2023

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    cover image ACM Conferences
    SA '18: SIGGRAPH Asia 2018 Posters
    December 2018
    166 pages
    ISBN:9781450360630
    DOI:10.1145/3283289
    Permission to make digital or hard copies of part or all of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for third-party components of this work must be honored. For all other uses, contact the Owner/Author.

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    Association for Computing Machinery

    New York, NY, United States

    Publication History

    Published: 04 December 2018

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    Author Tags

    1. mid-air camera
    2. optical system
    3. optically transformation

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    SA '18
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    SA '18: SIGGRAPH Asia 2018
    December 4 - 7, 2018
    Tokyo, Japan

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    Overall Acceptance Rate 178 of 869 submissions, 20%

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    • (2023)Shadowless Projection Mapping using Retrotransmissive OpticsIEEE Transactions on Visualization and Computer Graphics10.1109/TVCG.2023.324710429:5(2280-2290)Online publication date: May-2023

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