Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/4372
Title: Spectral characterization of a color scanner by adaptive estimation
Authors: Shen, HL
Xin, JH 
Keywords: Calculations
Color image processing
Estimation
Mathematical models
Matrix algebra
Scanning
Spectrum analysis
Statistical methods
Vectors
Issue Date: 1-Jul-2004
Publisher: Optical Society of America
Source: Journal of the optical society of America A: optics, image science, and vision, 1 July 2004, v. 21, no. 7, p. 1125-1130 How to cite?
Journal: Journal of the optical society of America A: optics, image science, and vision 
Abstract: A new method of spectral characterization for color scanners by the use of adaptive estimation is proposed. It deals with estimation of high-dimensional reflectance vectors from low-dimensional scanner response vectors when the scanner departs from linearity. We first investigate the spectral linearity of the scanner, and then estimate the spectral reflectance adaptively based on the local statistics of a set of neighboring training samples. As the proposed characterization method does not utilize the mathematically recovered spectral responsivity, its inherent inaccuracy is not critical to the spectral characterization. Experimental results showed significant advantage of adaptive estimation when compared with other methods.
URI: http://hdl.handle.net/10397/4372
ISSN: 1084-7529
DOI: 10.1364/JOSAA.21.001125
Rights: © 2004 Optical Society of America. This paper was published in Journal of the Optical Society of America A and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-21-7-1125. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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