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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 22 — Nov. 15, 2009
  • pp: 3550–3552

Gain-modulated three-dimensional active imaging with depth-independent depth accuracy

Chenfei Jin, Xiudong Sun, Yuan Zhao, Yong Zhang, and Liping Liu  »View Author Affiliations


Optics Letters, Vol. 34, Issue 22, pp. 3550-3552 (2009)
http://dx.doi.org/10.1364/OL.34.003550


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Abstract

We present a three-dimensional imaging method using a pulsed laser as a flood illuminating source and an intensified camera as the receiver with exponentially modulated gain. The depth map of a scene is obtained from two intensity images and the depth accuracy is independent of the depth of the target in the scene. We demonstrate a depth-independent depth accuracy of 0.32 m in an indoor experiment and obtain a depth map of an outdoor scene ranging from 150 to 180 m under a lower signal to noise ratio condition.

© 2009 Optical Society of America

OCIS Codes
(110.0110) Imaging systems : Imaging systems
(110.6880) Imaging systems : Three-dimensional image acquisition

ToC Category:
Imaging Systems

History
Original Manuscript: September 2, 2009
Revised Manuscript: October 6, 2009
Manuscript Accepted: October 7, 2009
Published: November 11, 2009

Citation
Chenfei Jin, Xiudong Sun, Yuan Zhao, Yong Zhang, and Liping Liu, "Gain-modulated three-dimensional active imaging with depth-independent depth accuracy," Opt. Lett. 34, 3550-3552 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-22-3550

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