Local Contrast Enhancement based on Adaptive Logarithmic Mappings

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Communicated by Pascal Monasse
Demo edited by Jose-Luis Lisani

Abstract

This article presents an implementation of the local image enhancement technique proposed in [J.L. Lisani, Adaptive local image enhancement based on logarithmic mappings, IEEE International Conference on Image Processing (ICIP), 2018]. The technique is based on a logarithmic mapping function that is adapted to the luminance characteristics of the neighborhood of each pixel. The method permits to simultaneously increase the luminance in dark regions and decrease it in bright regions. Variants of the originally published method are discussed in terms of contrast enhancement and creation of halo artifacts.

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  Software Heritage Archive @softwareversion{sw-ipol.2020.300, title = {{Local Contrast Enhancement based on Adaptive Logarithmic Mappings}}, author = {Jose-Luis Lisani}, date = {2018-01-01}, license = {AGPL-3.0-or-later}, version = {2.0}, swhid = {swh:1:dir:03d81d9e8d583aa52bfe5a696c875a406571684c;origin=https://doi.org/10.5201/ipol.2020.300;visit=swh:1:snp:e3c3904624230050561a3c5a615b3852fda6a22c;anchor=swh:1:rev:2bda715d58c19bfc04bac7028a5c67780f177cd3}, related = {ipol.2020.300}, relatedtype = "Reference article: https://doi.org/10.5201/ipol.2020.300" } % the biblatex-software style extension is recommended for software bibitems
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History

• Note from the editor: the manuscript of the article was modified on 2022-01-01 to include information about its editors. The original version of the manuscript is available here.