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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 7 — Apr. 1, 2010
  • pp: 1049–1051

Space-time stereo analysis combining local structure and modulation features in the monogenic wavelet domain

Jinjun Li, Hong Zhao, Qiang Fu, and Kejian Jiang  »View Author Affiliations


Optics Letters, Vol. 35, Issue 7, pp. 1049-1051 (2010)
http://dx.doi.org/10.1364/OL.35.001049


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Abstract

A multimodal cost function, based on the local multimodal image descriptors that combine local structure features (orientation, coherency) and modulation/localization information (amplitude, phase, and spatial frequency) of the monogenic wavelet transform, is proposed to estimate the time-varying disparity maps in the space-time stereo framework. The proposed cost function makes use of a constraint of local orientation, phase, and amplitude congruencies with the weighted coefficients, which are adapted to local image features and are insusceptible to level shift, scaling, and rotation and lighting invariance. Experiments on the synthetic and natural stereo sequences show the estimated results are more robust than the intensity-based sum of standard sum of squared difference cost function.

© 2010 Optical Society of America

OCIS Codes
(100.7410) Image processing : Wavelets
(330.1400) Vision, color, and visual optics : Vision - binocular and stereopsis
(150.1135) Machine vision : Algorithms
(110.7410) Imaging systems : Wavelets

ToC Category:
Image Processing

History
Original Manuscript: November 18, 2009
Revised Manuscript: January 31, 2010
Manuscript Accepted: February 5, 2010
Published: March 31, 2010

Citation
Jinjun Li, Hong Zhao, Qiang Fu, and Kejian Jiang, "Space-time stereo analysis combining local structure and modulation features in the monogenic wavelet domain," Opt. Lett. 35, 1049-1051 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-7-1049

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