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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 16, Iss. 12 — Dec. 1, 1977
  • pp: 3107–3114

Estimation of spectral reflectance curves from multispectral image data

Stephen K. Park and Friedrich O. Huck  »View Author Affiliations


Applied Optics, Vol. 16, Issue 12, pp. 3107-3114 (1977)
http://dx.doi.org/10.1364/AO.16.003107


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Abstract

A technique is presented for estimating spectral reflectance curves from multispectral image data even if the spectral samples are obtained from channels whose spectral responsivity is not narrowband. It is demonstrated that these reflectance estimates can be written as a linear combination of the spectral samples and that, analogous to Shannon’s sampling theorem, if the spectral reflectance is a natural cubic spline, it can be estimated exactly provided the number of spectral channels is sufficiently large. Simulation results suggest that the accuracy of the spectral reflectance estimates is quite good and very insensitive to the spectral responsivity shapes.

© 1977 Optical Society of America

History
Original Manuscript: March 9, 1977
Published: December 1, 1977

Citation
Stephen K. Park and Friedrich O. Huck, "Estimation of spectral reflectance curves from multispectral image data," Appl. Opt. 16, 3107-3114 (1977)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-16-12-3107


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References

  1. F. O. Huck et al., Space Sci. Instrum. 1, 189 (May1975).
  2. F. O. Huck, S. D. Wall, Appl. Opt. 151748 (1976). [CrossRef] [PubMed]
  3. W. K. Pratt, C. E. Mancill, Appl. Opt. 15, 73 (1976). [CrossRef] [PubMed]
  4. P. M. Prenter, Splines and Variational Methods (Wiley, New York, 1975).
  5. E. D. Nering, Linear Algebra and Matrix Theory (Wiley, New York, 1970).
  6. C. Shannon, Bel J. l Syst. Tech. 27, 379 (1948).
  7. S. K. Park, F. O. Huck, “A Spectral Reflectance Estimation Technique Using Multispectral Data from the Viking Lander Camera,” NASA TN D -8292 (1976).

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