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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 18, Iss. 8 — Aug. 1, 2001
  • pp: 1954–1961

Model acquisition and invariant tracking of unknown materials in hyperspectral images

David Slater and Glenn Healey  »View Author Affiliations


JOSA A, Vol. 18, Issue 8, pp. 1954-1961 (2001)
http://dx.doi.org/10.1364/JOSAA.18.001954


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Abstract

We consider the problem of acquiring models for unknown materials in airborne 0.4–2.5 μm hyperspectral imagery and using these models to identify the unknown materials in image data obtained under significantly different conditions. The material models are generated with use of an airborne sensor spectrum measured under unknown conditions and a physical model for spectral variability. For computational efficiency, the material models are represented by using low-dimensional spectral subspaces. We demonstrate the effectiveness of the material models by using a set of material tracking experiments in HYDICE images acquired in forest and desert environments over widely varying conditions. We show that techniques based on the new representation significantly outperform methods based on direct spectral matching.

© 2001 Optical Society of America

OCIS Codes
(150.0150) Machine vision : Machine vision
(280.0280) Remote sensing and sensors : Remote sensing and sensors

History
Original Manuscript: February 8, 2001
Manuscript Accepted: February 13, 2001
Published: August 1, 2001

Citation
David Slater and Glenn Healey, "Model acquisition and invariant tracking of unknown materials in hyperspectral images," J. Opt. Soc. Am. A 18, 1954-1961 (2001)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-18-8-1954

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