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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. 22, Iss. 6 — Jun. 1, 2005
  • pp: 1066–1076

Joint blind restoration and surface recovery in photometric stereo

Manjunath V. Joshi and Subhasis Chaudhuri  »View Author Affiliations


JOSA A, Vol. 22, Issue 6, pp. 1066-1076 (2005)
http://dx.doi.org/10.1364/JOSAA.22.001066


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Abstract

We address the problem of simultaneous estimation of scene structure and restoration of images from blurred photometric measurements. In photometric stereo, the structure of an object is determined by using a particular reflectance model (the image irradiance equation) without considering the blurring effect. What we show is that, given arbitrarily blurred observations of a static scene captured with a stationary camera under different illuminant directions, we still can obtain the structure represented by the surface gradients and the albedo and also perform a blind image restoration. The surface gradients and the albedo are modeled as separate Markov random fields, and a suitable regularization scheme is used to estimate the different fields as well as the blur parameter. The results of the experimentations are illustrated with real as well as synthetic images.

© 2005 Optical Society of America

OCIS Codes
(100.0100) Image processing : Image processing
(100.3020) Image processing : Image reconstruction-restoration
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.5240) Instrumentation, measurement, and metrology : Photometry
(150.0150) Machine vision : Machine vision
(150.6910) Machine vision : Three-dimensional sensing

History
Original Manuscript: August 20, 2004
Manuscript Accepted: October 18, 2004
Published: June 1, 2005

Citation
Manjunath V. Joshi and Subhasis Chaudhuri, "Joint blind restoration and surface recovery in photometric stereo," J. Opt. Soc. Am. A 22, 1066-1076 (2005)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-22-6-1066

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