期刊
OPTICS EXPRESS
卷 29, 期 2, 页码 1749-1763出版社
Optica Publishing Group
DOI: 10.1364/OE.413774
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资金
- National Key Research and Development Program of China [2018YFB0504300]
- National Natural Science Foundation of China [61771443, 62031024]
- Shanghai Municipal Science and TechnologyMajor Project [2019SHZDZX01]
- Special Project for Research and Development in Key areas of Guangdong Province [2020B0303020001]
- Shanghai Science and Technology Development Foundation [18JC1414700]
Compressed sensing techniques in active non-line-of-sight imaging can reduce the number of scanning points and total capture time, while maintaining imaging quality, making them desirable for high-speed applications.
Non-line-of-sight (NLOS) imaging techniques have the ability to look around corners, which is of growing interest for diverse applications. We explore compressed sensing in active NLOS imaging and show that compressed sensing can greatly reduce the required number of scanning points without the compromise of the imaging quality. Particularly, we perform the analysis for both confocal NLOS imaging and active occlusion-based periscopy. In experiment, we demonstrate confocal NLOS imaging with only 5 x 5 scanning points for reconstructing a three-dimensional hidden image which has 64 x 64 spatial resolution. The results show that compressed sensing can reduce the scanning points and the total capture time, while keeping the imaging quality. This will be desirable for high speed NLOS applications. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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