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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 6 — Feb. 20, 1998
  • pp: 971–977

Testing linear models on spectral daylight measurements

Javier Hernández-Andrés, Javier Romero, Antonio García-Beltrán, and Juan L. Nieves  »View Author Affiliations


Applied Optics, Vol. 37, Issue 6, pp. 971-977 (1998)
http://dx.doi.org/10.1364/AO.37.000971


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Abstract

We have analyzed the results of the reconstruction quality of 252 daylight spectral curves measured at Granada, Spain, using four bases obtained from measurements in different areas of the world. For these reconstructions we used two different methods (orthogonality of characteristic vectors and chromaticity coordinates) to study the influence of the wavelength range and spectral resolution. The reconstruction method from chromaticity coordinates presents difficulties for the spectral recovery of daylight spectral power distributions regardless of the basis used. The orthogonality method makes clear that the best bases were those proposed by the CIE, but more than two characteristic CIE vectors were needed for good reconstruction.

© 1998 Optical Society of America

OCIS Codes
(010.0010) Atmospheric and oceanic optics : Atmospheric and oceanic optics
(330.6180) Vision, color, and visual optics : Spectral discrimination

History
Original Manuscript: March 4, 1997
Revised Manuscript: July 11, 1997
Published: February 20, 1998

Citation
Javier Hernández-Andrés, Javier Romero, Antonio García-Beltrán, and Juan L. Nieves, "Testing linear models on spectral daylight measurements," Appl. Opt. 37, 971-977 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-6-971


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