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Proceedings Paper

Modifications to Retinex to relax RESET nonlinearity and implement segmentation constraints
Author(s): Ted J. Cooper
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Paper Abstract

This paper addresses the Frankle-McCann Retinex algorithm by altering its properties to provide a distance-weighting function to every ratio-product path from a source to a destination pixel. The algorithm is further modified to permit the hard RESET function to be replaced by a piece-wise smoother function that allows ratio-product propagation to slightly exceed the maximum brightness in each visual channel. Investigations of how segmentation can aid in reducing the computational complexity and provide a more realistic white balance are presented.

Paper Details

Date Published: 30 May 2002
PDF: 9 pages
Proc. SPIE 4662, Human Vision and Electronic Imaging VII, (30 May 2002); doi: 10.1117/12.469532
Show Author Affiliations
Ted J. Cooper, Sony Electronics Inc. (United States)


Published in SPIE Proceedings Vol. 4662:
Human Vision and Electronic Imaging VII
Bernice E. Rogowitz; Thrasyvoulos N. Pappas, Editor(s)

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