Retinex Image Processing--Publications--IST 50th Anniversary
Conference
A Comparison of the Multiscale Retinex With Other Image Enhancement
Techniques
Zia-ur Rahman, Glenn A. Woodell, and Daniel J. Jobson
Abstract
The multiscale retinex with color restoration (MSRCR) has shown itself
to be a very versatile image enhancement algorithm that simultaneously
provides dynamic range compression, color consistency, and color
rendition. A number of algorithms exist that provide one or more of
these features, but not all. In this paper we compare the performance
of the MSRCR with techniques that are widely used for image enhancement.
Specifically, we compare the MSRCR with color adjustment methods such as
gamma correction and gain/offset application, histogram modification
techniques such as histogram equalization and manual histogram
adjustment, and other more powerful techniques such as homomorphic
filtering and `burning and dodging'. The comparison is carried out by
testing the suite of image enhancement methods on a set of diverse
images. We find that though some of these techniques work well for some
of these images, only the MSRCR performs universally well on the test
set.
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