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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 19, Iss. 2 — Jan. 15, 1980
  • pp: 228–235

Three-parameter probability distribution density for statistical image analysis

H. C. Schau  »View Author Affiliations


Applied Optics, Vol. 19, Issue 2, pp. 228-235 (1980)
http://dx.doi.org/10.1364/AO.19.000228


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Abstract

Statistical analysis of 2-D image data or data gathered from a scanning radiometer requires that both the non-Gaussian nature and finite sample size of the process be considered. To aid the statistical analysis of this data, a higher moment description density function has been defined, and parameters have been identified with the estimated moments of the data. It is shown that the first two moments may be computed from a knowledge of the Weiner spectrum, whereas all higher moments require the complex spatial frequency spectrum. Parameter identification is carried out for a three-parameter density function and applied to a scene in the IR region, 8–14 μm. Results indicate that a three-parameter distribution density generally provides different probabilities than does a two-parameter Gaussian description if maximum entropy (minimum bias) forms are sought.

© 1980 Optical Society of America

History
Original Manuscript: July 21, 1979
Published: January 15, 1980

Citation
H. C. Schau, "Three-parameter probability distribution density for statistical image analysis," Appl. Opt. 19, 228-235 (1980)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-19-2-228

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