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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 14 — Jul. 2, 2012
  • pp: 14971–14979

Robust disparity estimation based on color monogenic curvature phase

Di Zang, Jie Li, Dongdong Zhang, and Junqi Zhang  »View Author Affiliations


Optics Express, Vol. 20, Issue 14, pp. 14971-14979 (2012)
http://dx.doi.org/10.1364/OE.20.014971


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Abstract

Disparity estimation for binocular images is an important problem for many visual tasks such as 3D environment reconstruction, digital hologram, virtual reality, robot navigation, etc. Conventional approaches are based on brightness constancy assumption to establish spatial correspondences between a pair of images. However, in the presence of large illumination variation and serious noisy contamination, conventional approaches fail to generate accurate disparity maps. To have robust disparity estimation in these situations, we first propose a model - color monogenic curvature phase to describe local features of color images by embedding the monogenic curvature signal into the quaternion representation. Then a multiscale framework to estimate disparities is proposed by coupling the advantages of the color monogenic curvature phase and mutual information. Both indoor and outdoor images with large brightness variation are used in the experiments, and the results demonstrate that our approach can achieve a good performance even in the conditions of large illumination change and serious noisy contamination.

© 2012 OSA

OCIS Codes
(100.2000) Image processing : Digital image processing
(100.2960) Image processing : Image analysis
(330.1400) Vision, color, and visual optics : Vision - binocular and stereopsis
(100.3008) Image processing : Image recognition, algorithms and filters

ToC Category:
Image Processing

History
Original Manuscript: February 6, 2012
Revised Manuscript: May 21, 2012
Manuscript Accepted: June 7, 2012
Published: June 20, 2012

Virtual Issues
Vol. 7, Iss. 9 Virtual Journal for Biomedical Optics

Citation
Di Zang, Jie Li, Dongdong Zhang, and Junqi Zhang, "Robust disparity estimation based on color monogenic curvature phase," Opt. Express 20, 14971-14979 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-14-14971


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