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Proceedings Paper

Three-dimensional range-gated flash LIDAR for land surface remote sensing
Author(s): Xinwei Wang; Yinan Cao; Wei Cui; Xiaoquan Liu; Songtao Fan; Yan Zhou; Youfu Li
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Paper Abstract

Three-dimensional range-gated imaging is a new 3D sensing technique with higher resolution than 3D flash LIDAR, and has great potential in realizing high-resolution real-time 3D imaging to satisfy land surface remote sensing applications. In this paper, three existing approaches of realizing 3D range-gated LIDAR are introduced including their advantages and disadvantages. Among them, the two methods of gain modulation and range-intensity correlation can reconstruct a 3D scene from two gate images, which enable 3D flash imaging. We propose a 3D superresolution range-gated flash LIDAR based on triangular algorithm of range-intensity correlation, and further present a coding method based on triangular algorithm for high depth-to-resolution ratio. Some prototyping experiments and simulations are demonstrated.

Paper Details

Date Published: 9 December 2014
PDF: 10 pages
Proc. SPIE 9260, Land Surface Remote Sensing II, 92604L (9 December 2014); doi: 10.1117/12.2074906
Show Author Affiliations
Xinwei Wang, Institute of Semiconductors (China)
City Univ. of Hong Kong (Hong Kong, China)
Yinan Cao, Institute of Semiconductors (China)
Wei Cui, Institute of Semiconductors (China)
Xiaoquan Liu, Institute of Semiconductors (China)
Songtao Fan, Institute of Semiconductors (China)
Yan Zhou, Institute of Semiconductors (China)
Youfu Li, City Univ. of Hong Kong (Hong Kong, China)

Published in SPIE Proceedings Vol. 9260:
Land Surface Remote Sensing II
Thomas J. Jackson; Jing Ming Chen; Peng Gong; Shunlin Liang, Editor(s)

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