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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 18 — Jun. 20, 2011
  • pp: 2984–2989

Depth fingerprint map of active range-gated imaging for real-time three-dimensional measurement of foreground objects

Xinwei Wang, Yan Zhou, Jun He, Songtao Fan, Xin Zhang, Pingshun Lei, and Yuliang Liu  »View Author Affiliations


Applied Optics, Vol. 50, Issue 18, pp. 2984-2989 (2011)
http://dx.doi.org/10.1364/AO.50.002984


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Abstract

We present a depth fingerprint map to obtain three-dimensional (3D) spatial information from objects in a large deterministic background by active range-gated imaging, for night remote surveillance. This method first gives the depth fingerprint map of the region of interest in the background by gate viewing in the form of contour bands in range. The map is then embedded in the range-gated laser surveillance system. Finally, 3D spatial information such as target scale and location can be estimated by segmenting the target from the background and matching them with the depth fingerprint map. The measurement is performed by computer background processing. Therefore, the method has no influence on the frame rate of surveillance systems and can realize real-time surveillance. In this paper, the approach to acquisition of the depth fingerprint map is also demonstrated without an echo-broadening effect.

© 2011 Optical Society of America

OCIS Codes
(100.6890) Image processing : Three-dimensional image processing
(120.2830) Instrumentation, measurement, and metrology : Height measurements
(120.3940) Instrumentation, measurement, and metrology : Metrology

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: November 1, 2010
Revised Manuscript: February 21, 2011
Manuscript Accepted: April 28, 2011
Published: June 14, 2011

Citation
Xinwei Wang, Yan Zhou, Jun He, Songtao Fan, Xin Zhang, Pingshun Lei, and Yuliang Liu, "Depth fingerprint map of active range-gated imaging for real-time three-dimensional measurement of foreground objects," Appl. Opt. 50, 2984-2989 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-18-2984

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