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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 4, Iss. 5 — May. 1, 1987
  • pp: 945–953

Hotelling trace criterion and its correlation with human-observer performance

R. D. Fiete, H. H. Barrett, W. E. Smith, and K. J. Myers  »View Author Affiliations


JOSA A, Vol. 4, Issue 5, pp. 945-953 (1987)
http://dx.doi.org/10.1364/JOSAA.4.000945


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Abstract

The Hotelling trace criterion (HTC) is used to find a set of linear features that optimally separate two classes of objects. The objects used in our study were simulated livers with and without tumors, with noise, blur, and object variability. Using the receiver-operating-characteristic parameter da as our measure, we have found that the ability of the HTC to separate these objects into their correct classes, by detecting the presence or absence of a tumor, has a correlation of 0.988 with the ability of humans to separate the same two classes of objects. This suggests, therefore, that the HTC can be used as a figure of merit for optimizing system parameters, since it calculates a single, scalar figure of merit that has a high correlation with human-observer performance.

© 1987 Optical Society of America

History
Original Manuscript: August 16, 1986
Manuscript Accepted: January 20, 1987
Published: May 1, 1987

Citation
R. D. Fiete, H. H. Barrett, W. E. Smith, and K. J. Myers, "Hotelling trace criterion and its correlation with human-observer performance," J. Opt. Soc. Am. A 4, 945-953 (1987)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-4-5-945


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