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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 30 — Oct. 20, 2013
  • pp: 7399–7406

Triangular-range-intensity profile spatial-correlation method for 3D super-resolution range-gated imaging

Wang Xinwei, Li Youfu, and Zhou Yan  »View Author Affiliations


Applied Optics, Vol. 52, Issue 30, pp. 7399-7406 (2013)
http://dx.doi.org/10.1364/AO.52.007399


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Abstract

We present a triangular-range-intensity profile (RIP) spatial-correlation method for 3D range-gated imaging with a depth of super resolution. In this method, spatial sampling volumes with triangular-RIPs are established by matching laser-pulse width and sensor gate time, and then depth information collapsed in gate images can be reconstructed by spatial correlation of overlapped gate images corresponding to sampling volumes. Compared with super-resolution depth mapping under trapezoidal-RIPs, range accuracy and precision are improved, and a large range fluctuation due to noise disturbance is smoothed by noise suppression under triangular-RIPs. In this paper, a proof experiment is demonstrated with a range precision 2.5 times better than that obtained under trapezoidal-RIPs.

© 2013 Optical Society of America

OCIS Codes
(100.6890) Image processing : Three-dimensional image processing
(110.0110) Imaging systems : Imaging systems
(110.6880) Imaging systems : Three-dimensional image acquisition
(280.0280) Remote sensing and sensors : Remote sensing and sensors

ToC Category:
Imaging Systems

History
Original Manuscript: May 28, 2013
Revised Manuscript: September 24, 2013
Manuscript Accepted: September 26, 2013
Published: October 18, 2013

Citation
Wang Xinwei, Li Youfu, and Zhou Yan, "Triangular-range-intensity profile spatial-correlation method for 3D super-resolution range-gated imaging," Appl. Opt. 52, 7399-7406 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-30-7399


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