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Optics Letters

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  • Vol. 36, Iss. 19 — Oct. 1, 2011
  • pp: 3933–3935

Estimation of reflectance from camera responses by the regularized local linear model

Wei-Feng Zhang, Gongguo Tang, Dao-Qing Dai, and Arye Nehorai  »View Author Affiliations


Optics Letters, Vol. 36, Issue 19, pp. 3933-3935 (2011)
http://dx.doi.org/10.1364/OL.36.003933


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Abstract

Because of the limited approximation capability of using fixed basis functions, the performance of reflectance estimation obtained by traditional linear models will not be optimal. We propose an approach based on the regularized local linear model. Our approach performs efficiently and knowledge of the spectral power distribution of the illuminant and the spectral sensitivities of the camera is not needed. Experimental results show that the proposed method performs better than some well-known methods in terms of both reflectance error and colorimetric error.

© 2011 Optical Society of America

OCIS Codes
(330.1710) Vision, color, and visual optics : Color, measurement
(330.1730) Vision, color, and visual optics : Colorimetry

ToC Category:
Vision, Color, and Visual Optics

History
Original Manuscript: July 27, 2011
Revised Manuscript: August 17, 2011
Manuscript Accepted: August 29, 2011
Published: September 30, 2011

Virtual Issues
Vol. 6, Iss. 11 Virtual Journal for Biomedical Optics

Citation
Wei-Feng Zhang, Gongguo Tang, Dao-Qing Dai, and Arye Nehorai, "Estimation of reflectance from camera responses by the regularized local linear model," Opt. Lett. 36, 3933-3935 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-19-3933

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