期刊
REMOTE SENSING
卷 8, 期 12, 页码 -出版社
MDPI
DOI: 10.3390/rs8120991
关键词
ghost imaging (GI); lidar; speckle; compressive imaging
类别
资金
- Hi-Tech Research and Development Program of China [2013AA122901]
- Natural Science Foundation of China [61571427, 61405223]
- Youth Innovation Promotion Association CAS [2013162]
Ghost imaging via sparsity constraint (GISC)which is developing into a new staring imaging lidarcan obtain both the range information and spatial distribution of a remote target with the use of the measurements below the Nyquist limit. In this work, schematics of both two-dimensional (2D) and three-dimensional (3D) GISC lidar are introduced. Compared with the 2D GISC lidar, we demonstrate by both simulation and experimentally that the signal-to-noise ratio of the 3D GISC lidar can be dramatically enhanced when a time-resolved technique is used to record the target's reflection signals and the orthogonal characteristic of the target's 3D surface structure is taken as a priori in the image reconstruction process. Some characteristics of the 2D and 3D GISC lidar systems are also discussed.
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