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Proceedings Paper

Two-dimension image construction for range-resolved reflective tomography laser radar
Author(s): Yi Yan; Jianfeng Sun; Xiaofeng Jin; Liren Liu
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Paper Abstract

Range-resolved reflective tomography is one of the most effective high-resolution imaging methods for laser sensing and imaging technologies. In experiments reported earlier by MIT Lab, only the outline of the target was recovered using reflective tomography algorithm. In our experiment, we adopt a novel imaging method which can get an imaging result of the whole region covering the target. A target of letter "E" is placed on a plane with a tilt angle to the horizontal plane and rotated about the axis perpendicular to it, the target is illuminated by parallel light pulses, the range-dependent return signal is collected by a non-imaging optical system. Filtered back-projection and algebraic reconstruction techniques algorithm are used to reconstruct the target, then we get an image result which has clear description of the target. After that, the imaging quality and resolution of this new approach are discussed. Our experiment system reported in this paper can achieve high imaging quality in real two-dimension image construction using reflective tomography algorithm, thus it has a great practical significance for applications in extensive imaging fields.

Paper Details

Date Published: 14 September 2011
PDF: 11 pages
Proc. SPIE 8162, Free-Space and Atmospheric Laser Communications XI, 81620Y (14 September 2011); doi: 10.1117/12.892649
Show Author Affiliations
Yi Yan, Shanghai Institute of Optics and Fine Mechanics (China)
Jianfeng Sun, Shanghai Institute of Optics and Fine Mechanics (China)
Xiaofeng Jin, Shanghai Institute of Optics and Fine Mechanics (China)
Liren Liu, Shanghai Institute of Optics and Fine Mechanics (China)

Published in SPIE Proceedings Vol. 8162:
Free-Space and Atmospheric Laser Communications XI
Arun K. Majumdar; Christopher C. Davis, Editor(s)

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