Context-based defading of archive photographs
作者： V. Bruni , G. Ramponi , A. Restrepo , D. Vitulano
DOI: 10.1155/2009/986183
关键词:
摘要: We present an algorithm for the enhancement of contrast in digitized archive photographic prints. It aims at producing adaptive based on local context each pixel and is able to operate without direct user's intervention. A relation between variation different resolutions Lipschitz regularity image exploited. In this way, defaded according its nature: noise, edge, or smooth region. This strategy provides that drastically reduces typical, annoying artifacts like halo effects noise amplification.
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