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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 13 — May. 1, 2008
  • pp: 2494–2502

Optimal selection of representative colors for spectral reflectance reconstruction in a multispectral imaging system

Hui-Liang Shen, Hong-Gang Zhang, John H. Xin, and Si-Jie Shao  »View Author Affiliations


Applied Optics, Vol. 47, Issue 13, pp. 2494-2502 (2008)
http://dx.doi.org/10.1364/AO.47.002494


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Abstract

In a multispectral color imaging system, the spectral reflectance of the object being imaged always needs to be accurately reconstructed by employing the training samples on specific color charts. Considering that the workload is heavy when all those color samples are used in practical applications, it is important to select only a limited number of the most representative samples. This is possible as the color charts are usually designed to cover the range of commonly imaged colors, and the color samples are redundant for spectral image reconstruction. We propose an eigenvector-based method and a virtual-imaging-based method for representative color selection by minimizing the total reflectance root-mean-squares errors. The effectiveness of the proposed methods is confirmed by experimental results when compared with existing techniques.

© 2008 Optical Society of America

OCIS Codes
(330.1710) Vision, color, and visual optics : Color, measurement
(330.1730) Vision, color, and visual optics : Colorimetry
(110.4234) Imaging systems : Multispectral and hyperspectral imaging

ToC Category:
Imaging Systems

History
Original Manuscript: January 28, 2008
Revised Manuscript: March 6, 2008
Manuscript Accepted: March 31, 2008
Published: April 29, 2008

Virtual Issues
Vol. 3, Iss. 6 Virtual Journal for Biomedical Optics

Citation
Hui-Liang Shen, Hong-Gang Zhang, John H. Xin, and Si-Jie Shao, "Optimal selection of representative colors for spectral reflectance reconstruction in a multispectral imaging system," Appl. Opt. 47, 2494-2502 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-13-2494


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