Retinex Image Processing--Publications--ICIP 1996 Conference

Multiscale Retinex For Color Image Enhancement

Zia-ur Rahman, Daniel J. Jobson, and Glenn A. Woodell


The retinex is a human perception-based image processing algorithm which provides color constancy and dynamic range compression. We have previously reported on a single-scale retinex (SSR) and shown that it can either achieve color/lightness rendition or dynamic range compression, but not both simultaneously. We now present a multi-scale retinex (MSR) which overcomes this limitation for most scenes. Both color rendition and dynamic range compression are successfully accomplished except for some ``pathological" scenes that have very strong spectral characteristics in a single band.
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