Time-of-flight compressed-sensing ultrafast photography for encrypted three-dimensional dynamic imaging

Jinyang Liang; Liang Gao; Pengfei Hai; Chiye Li; Lihong V. Wang

doi:10.1117/12.2208810

15 March 2016 Time-of-flight compressed-sensing ultrafast photography for encrypted three-dimensional dynamic imaging

Jinyang Liang, Liang Gao, Pengfei Hai, Chiye Li, Lihong V. Wang

Proceedings Volume 9761, Emerging Digital Micromirror Device Based Systems and Applications VIII; 97610I (2016) https://doi.org/10.1117/12.2208810
Event: SPIE OPTO, 2016, San Francisco, California, United States

Abstract

We applied compressed ultrafast photography (CUP), a computational imaging technique, to acquire three-dimensional (3D) images. The approach unites image encryption, compression, and acquisition in a single measurement, thereby allowing efficient and secure data transmission. By leveraging the time-of-flight (ToF) information of pulsed light reflected by the object, we can reconstruct a volumetric image (150 mm×150 mm×1050 mm, x × y × z) from a single camera snapshot. Furthermore, we demonstrated high-speed 3D videography of a moving object at 75 frames per second using the ToF-CUP camera.

Citation Download Citation

Jinyang Liang, Liang Gao, Pengfei Hai, Chiye Li, and Lihong V. Wang "Time-of-flight compressed-sensing ultrafast photography for encrypted three-dimensional dynamic imaging", Proc. SPIE 9761, Emerging Digital Micromirror Device Based Systems and Applications VIII, 97610I (15 March 2016); https://doi.org/10.1117/12.2208810

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KEYWORDS

3D image processing

3D acquisition

Cameras

3D metrology

Image encryption

3D image reconstruction

Photography

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