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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 20 — Oct. 15, 2012
  • pp: 4350–4352

Detecting humans using luminance saliency in thermal images

ByoungChul Ko, DeokYeon Kim, and JaeYeal Nam  »View Author Affiliations


Optics Letters, Vol. 37, Issue 20, pp. 4350-4352 (2012)
http://dx.doi.org/10.1364/OL.37.004350


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Abstract

This Letter introduces an efficient human detection method in thermal images, using a center-symmetric local binary pattern (CS-LBP) with a luminance saliency map and a random forest (RF) classifier scheme. After detecting a candidate human region, we crop only the head and shoulder region, which has a higher thermal spectrum than the legs or trunk. The CS-LBP feature is then extracted from the luminance saliency map of a hotspot and applied to the RF classifier, which is an ensemble of randomized decision trees. We demonstrate that our detection method is more robust than conventional feature descriptors and classifiers in thermal images.

© 2012 Optical Society of America

OCIS Codes
(100.2000) Image processing : Digital image processing
(100.2960) Image processing : Image analysis
(100.5010) Image processing : Pattern recognition

ToC Category:
Image Processing

History
Original Manuscript: August 22, 2012
Manuscript Accepted: September 10, 2012
Published: October 15, 2012

Citation
ByoungChul Ko, DeokYeon Kim, and JaeYeal Nam, "Detecting humans using luminance saliency in thermal images," Opt. Lett. 37, 4350-4352 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-20-4350

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