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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 3, Iss. 1 — Jan. 29, 2008

Salience measure for assessing scale-based features in mammograms

Philip Perconti and Murray H. Loew  »View Author Affiliations


JOSA A, Vol. 24, Issue 12, pp. B81-B90 (2007)
http://dx.doi.org/10.1364/JOSAA.24.000B81


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Abstract

This work assesses the usefulness of an objective, task-based image quality measure that is correlated with perceived image quality; the measure uses the most salient features contained within a medical image. Contributions include the development of a perceptually correlated metric that is useful for quantifying the salience of local, low-level visual cues and identifying those spatial frequencies that are most distinct and perhaps most relied upon by radiologists for decision making. A set of 40 mammograms and registered eye position data from nine observers was used to evaluate the salience metric. A parsimonious analysis-of-variance model explained the variance in the salience results. This analysis is generalized to a population of readers and cases. An analysis of salience versus time of first eye fixation shows good correlation with true positive lesions that were found by experienced readers in less than 2 ‚ÄČ s .

© 2007 Optical Society of America

OCIS Codes
(100.2960) Image processing : Image analysis
(170.3830) Medical optics and biotechnology : Mammography
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(330.6100) Vision, color, and visual optics : Spatial discrimination

History
Original Manuscript: February 26, 2007
Revised Manuscript: August 23, 2007
Manuscript Accepted: August 27, 2007
Published: September 28, 2007

Virtual Issues
Vol. 3, Iss. 1 Virtual Journal for Biomedical Optics

Citation
Philip Perconti and Murray H. Loew, "Salience measure for assessing scale-based features in mammograms," J. Opt. Soc. Am. A 24, B81-B90 (2007)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=josaa-24-12-B81

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