Title :
Dynamic range compression based on illumination compensation
Author :
Ogata, Masami ; Tsuchiya, Takashi ; Kubozono, Takeshi ; Ueda, Kazuhiko
Author_Institution :
Sony Corp., Tokyo, Japan
fDate :
8/1/2001 12:00:00 AM
Abstract :
This paper presents a new approach for effectively compressing the dynamic range of a visual scene while preserving the local contrast in order to reproduce a high quality image on devices with limited dynamic range. In this method, dynamic range compression is performed through a reduction of the illumination effect, by taking into account the characteristics of the human visual system. To precisely extract the illumination component within a reasonable complexity, a multi-scale nonlinear filtering scheme, referred to here as nonlinear multi-scale retinex (NMR), was developed
Keywords :
adaptive filters; data compression; feature extraction; filtering theory; image processing; lighting; nonlinear filters; visual perception; adaptive-ϵ filter; dynamic range compression; high quality image reproduction; human visual system characteristics; illumination compensation; illumination component extraction; illumination effect reduction; limited dynamic range devices; local contrast preservation; multi-scale nonlinear filtering; nonlinear multi-scale retinex; visual scene; Cameras; Dynamic range; Filtering; Humans; Image coding; Image quality; Layout; Lighting; Nuclear magnetic resonance; Visual system;
Journal_Title :
Consumer Electronics, IEEE Transactions on
