Encrypted Three-dimensional Dynamic Imaging using Snapshot Time-of-flight Compressed Ultrafast Photography
Compressed ultrafast photography (CUP), a computational imaging technique, is synchronized with short-pulsed laser illumination to enable dynamic three-dimensional (3D) imaging. By leveraging the time-of-flight (ToF) information of pulsed light backscattered by the object, ToF-CUP can reconstruct a...
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| Veröffentlicht in: | Scientific reports 2015-10, Vol.5 (1), p.15504-15504, Article 15504 |
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| creator | Liang, Jinyang Gao, Liang Hai, Pengfei Li, Chiye Wang, Lihong V. |
| description | Compressed ultrafast photography (CUP), a computational imaging technique, is synchronized with short-pulsed laser illumination to enable dynamic three-dimensional (3D) imaging. By leveraging the time-of-flight (ToF) information of pulsed light backscattered by the object, ToF-CUP can reconstruct a volumetric image from a single camera snapshot. In addition, the approach unites the encryption of depth data with the compressed acquisition of 3D data in a single snapshot measurement, thereby allowing efficient and secure data storage and transmission. We demonstrated high-speed 3D videography of moving objects at up to 75 volumes per second. The ToF-CUP camera was applied to track the 3D position of a live comet goldfish. We have also imaged a moving object obscured by a scattering medium. |
| doi_str_mv | 10.1038/srep15504 |
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| subjects | 639/624/1107/510 639/624/400/584 Cameras Computer applications Data compression Data storage Humanities and Social Sciences Illumination Lasers Light multidisciplinary Photography Science Sensors Three dimensional imaging |
| title | Encrypted Three-dimensional Dynamic Imaging using Snapshot Time-of-flight Compressed Ultrafast Photography |
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