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Title: Improved reflectance reconstruction for multispectral imaging by combining different techniques
Authors: Shen, HL
Xin, JH 
Shao, S
Keywords: Computer simulation
Error analysis
Finite difference method
Multispectral scanners
Issue Date: 30-Apr-2007
Publisher: Optical Society of America
Source: Optics express, 30 Apr. 2007, v. 15, no. 9, p. 5531-5536 How to cite?
Journal: Optics express 
Abstract: In multispectral imaging system, one of the most important tasks is to accurately reconstruct the spectral reflectance from system responses. We propose such a new method by combing three most frequently used techniques, i.e., wiener estimation, pseudo-inverse, and finite-dimensional modeling. The weightings of these techniques are calculated by minimizing the combined standard deviation of both spectral errors and colorimetric errors. Experimental results show that, in terms of color difference error, the performance of the proposed method is better than those of the three techniques. It is found that the simple averaging of the reflectance estimates of these three techniques can also yield good color accuracy.
ISSN: 1094-4087
DOI: 10.1364/OE.15.005531
Rights: © 2007 Optical Society of America. This paper was published in Optics Express 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: 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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