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Optics Express

Optics Express

  • Editor: C. Martijin de Sterke
  • Vol. 15, Iss. 9 — Apr. 30, 2007
  • pp: 5531–5536

Improved reflectance reconstruction for multispectral imaging by combining different techniques

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

Optics Express, Vol. 15, Issue 9, pp. 5531-5536 (2007)

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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.

© 2007 Optical Society of America

OCIS Codes
(110.4190) Imaging systems : Multiple imaging
(330.1710) Vision, color, and visual optics : Color, measurement
(330.1730) Vision, color, and visual optics : Colorimetry

ToC Category:
Imaging Systems

Original Manuscript: February 5, 2007
Revised Manuscript: March 13, 2007
Manuscript Accepted: April 9, 2007
Published: April 20, 2007

Virtual Issues
Vol. 2, Iss. 5 Virtual Journal for Biomedical Optics

Hui-Liang Shen, John H. Xin, and Si-Jie Shao, "Improved reflectance reconstruction for multispectral imaging by combining different techniques," Opt. Express 15, 5531-5536 (2007)

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