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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 13 — Jul. 1, 2010
  • pp: 2272–2274

Multiscale stereo analysis based on local-color-phase congruency in the color monogenic signal framework

Jinjun Li, Hong Zhao, Kejian Jiang, Xiang Zhou, and Xingmin Tong  »View Author Affiliations


Optics Letters, Vol. 35, Issue 13, pp. 2272-2274 (2010)
http://dx.doi.org/10.1364/OL.35.002272


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Abstract

A multiscale method based on local-color-phase congruency in the color monogenic signal framework is proposed to match feature points and estimate disparity maps for stereo images. As the monogenic signal is the extension of the analytic signal to gray-level images using the Dirac operator and the Laplace equation, the scale-space color monogenic signal is the extension of the monogenic signal to color images based on Clifford algebras. The local color phase, which is estimated by computing the geometric product between the color monogenic signal and a unit reference vector in red–green–blue color space, contains the color and geometric structure information and is robust against noise and brightness change. Experimental results on synthetic and natural stereo images show the performance of the proposed approach.

© 2010 Optical Society of America

OCIS Codes
(330.1400) Vision, color, and visual optics : Vision - binocular and stereopsis
(150.1135) Machine vision : Algorithms
(150.1708) Machine vision : Color inspection
(100.3008) Image processing : Image recognition, algorithms and filters

ToC Category:
Machine Vision

History
Original Manuscript: April 26, 2010
Revised Manuscript: May 23, 2010
Manuscript Accepted: May 28, 2010
Published: June 29, 2010

Citation
Jinjun Li, Hong Zhao, Kejian Jiang, Xiang Zhou, and Xingmin Tong, "Multiscale stereo analysis based on local-color-phase congruency in the color monogenic signal framework," Opt. Lett. 35, 2272-2274 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-13-2272

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