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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 8, Iss. 3 — Apr. 4, 2013

Separability between pedestrians in hyperspectral imagery

Jared Herweg, John Kerekes, and Michael Eismann  »View Author Affiliations


Applied Optics, Vol. 52, Issue 6, pp. 1330-1338 (2013)
http://dx.doi.org/10.1364/AO.52.001330


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Abstract

The popularity of hyperspectral imaging (HSI) in remote sensing continues to lead to it being adapted in novel ways to overcome challenging imaging problems. This paper reports on research efforts exploring the phenomenology of using HSI as an aid in detecting and tracking human pedestrians. An assessment of the likelihood of distinguishing between pedestrians based on the measured spectral reflectance of observable materials and the presence of noise is presented. The assessments included looking at the spectral separation between pedestrian material subregions using different spectral-reflectance regions within the full range (450–2500 nm), as well as when the spectral content of the pedestrian subregions are combined. In addition to the pedestrian spectral-reflectance data analysis, the separability of pedestrian subregions in remotely sensed hyperspectral images was assessed using a unique data set garnered as part of this work. Results indicated that skin was the least distinguishable material between pedestrians using the spectral Euclidean distance metric. The clothing, especially the shirt, offered the most salient feature for distinguishing the pedestrian. Additionally, significant spectral separability performance is realized when combining the reflectance information of two or more subregions.

© 2013 Optical Society of America

OCIS Codes
(100.3008) Image processing : Image recognition, algorithms and filters
(100.4999) Image processing : Pattern recognition, target tracking

ToC Category:
Image Processing

History
Original Manuscript: October 15, 2012
Manuscript Accepted: January 2, 2013
Published: February 19, 2013

Virtual Issues
Vol. 8, Iss. 3 Virtual Journal for Biomedical Optics

Citation
Jared Herweg, John Kerekes, and Michael Eismann, "Separability between pedestrians in hyperspectral imagery," Appl. Opt. 52, 1330-1338 (2013)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-52-6-1330

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