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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

  • Editor: Franco Gori
  • Vol. 30, Iss. 6 — Jun. 1, 2013
  • pp: 1155–1165

Depth inpainting by tensor voting

Mandar Kulkarni and Ambasamudram N. Rajagopalan  »View Author Affiliations


JOSA A, Vol. 30, Issue 6, pp. 1155-1165 (2013)
http://dx.doi.org/10.1364/JOSAA.30.001155


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Abstract

Depth maps captured by range scanning devices or by using optical cameras often suffer from missing regions due to occlusions, reflectivity, limited scanning area, sensor imperfections, etc. In this paper, we propose a fast and reliable algorithm for depth map inpainting using the tensor voting (TV) framework. For less complex missing regions, local edge and depth information is utilized for synthesizing missing values. The depth variations are modeled by local planes using 3D TV, and missing values are estimated using plane equations. For large and complex missing regions, we collect and evaluate depth estimates from self-similar (training) datasets. We align the depth maps of the training set with the target (defective) depth map and evaluate the goodness of depth estimates among candidate values using 3D TV. We demonstrate the effectiveness of the proposed approaches on real as well as synthetic data.

© 2013 Optical Society of America

OCIS Codes
(100.3010) Image processing : Image reconstruction techniques
(100.3020) Image processing : Image reconstruction-restoration

ToC Category:
Machine Vision

History
Original Manuscript: October 26, 2012
Revised Manuscript: April 8, 2013
Manuscript Accepted: April 8, 2013
Published: May 15, 2013

Citation
Mandar Kulkarni and Ambasamudram N. Rajagopalan, "Depth inpainting by tensor voting," J. Opt. Soc. Am. A 30, 1155-1165 (2013)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-30-6-1155

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