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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. 5, Iss. 8 — Jun. 8, 2010

Divisive normalization image quality metric revisited

Valero Laparra, Jordi Muñoz-Marí, and Jesús Malo  »View Author Affiliations


JOSA A, Vol. 27, Issue 4, pp. 852-864 (2010)
http://dx.doi.org/10.1364/JOSAA.27.000852


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Abstract

Structural similarity metrics and information-theory-based metrics have been proposed as completely different alternatives to the traditional metrics based on error visibility and human vision models. Three basic criticisms were raised against the traditional error visibility approach: (1) it is based on near-threshold performance, (2) its geometric meaning may be limited, and (3) stationary pooling strategies may not be statistically justified. These criticisms and the good performance of structural and information-theory-based metrics have popularized the idea of their superiority over the error visibility approach. In this work we experimentally or analytically show that the above criticisms do not apply to error visibility metrics that use a general enough divisive normalization masking model. Therefore, the traditional divisive normalization metric [1] is not intrinsically inferior to the newer approaches. In fact, experiments on a number of databases including a wide range of distortions show that divisive normalization is fairly competitive with the newer approaches, robust, and easy to interpret in linear terms. These results suggest that, despite the criticisms of the traditional error visibility approach, divisive normalization masking models should be considered in the image quality discussion.

© 2010 Optical Society of America

OCIS Codes
(110.3000) Imaging systems : Image quality assessment
(330.1800) Vision, color, and visual optics : Vision - contrast sensitivity
(330.4060) Vision, color, and visual optics : Vision modeling
(330.7320) Vision, color, and visual optics : Vision adaptation
(110.3925) Imaging systems : Metrics

ToC Category:
Imaging Systems

History
Original Manuscript: November 2, 2009
Revised Manuscript: January 18, 2010
Manuscript Accepted: January 22, 2010
Published: March 25, 2010

Virtual Issues
Vol. 5, Iss. 8 Virtual Journal for Biomedical Optics

Citation
Valero Laparra, Jordi Muñoz-Marí, and Jesús Malo, "Divisive normalization image quality metric revisited," J. Opt. Soc. Am. A 27, 852-864 (2010)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=josaa-27-4-852

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