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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. 15, Iss. 5 — May. 1, 1998
  • pp: 1068–1076

Modeling the sensitivity of moment invariants in a recognition system

David Slater and Glenn Healey  »View Author Affiliations


JOSA A, Vol. 15, Issue 5, pp. 1068-1076 (1998)
http://dx.doi.org/10.1364/JOSAA.15.001068


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Abstract

We derive a sensitivity analysis for moment invariants of multidimensional distributions. These invariants have many uses in computational systems and have recently been used for illumination-invariant recognition in color images. In this context, the sensitivity analysis predicts the response of moment invariants to partial occlusion. Using the results of the sensitivity analysis, we develop a novel surface representation called the invariant profile, which captures color distribution and spatial information while remaining invariant to the spectral content of the scene illumination. Unlike for previous representations, the recognition of invariant profiles does not require illumination correction. We demonstrate the sensitivity analysis and the use of invariant profiles for recognition with a set of experiments on color images.

© 1998 Optical Society of America

OCIS Codes
(100.5010) Image processing : Pattern recognition
(150.2950) Machine vision : Illumination

Citation
David Slater and Glenn Healey, "Modeling the sensitivity of moment invariants in a recognition system," J. Opt. Soc. Am. A 15, 1068-1076 (1998)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-15-5-1068

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