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Proceedings Paper

An efficient illuminance-reflectance nonlinear video stream enhancement model
Author(s): Li Tao; Vijayan K. Asari
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Paper Abstract

An efficient real-time video stream enhancement algorithm based on illuminance-reflectance model is proposed for improving the visual quality of digital video streams captured under insufficient and/or non-uniform lighting conditions. The paper presents computational methods for estimation of scene illuminance and reflectance, adaptive dynamic range compression of illuminance, and adaptive enhancement for mid-tone frequency components. This algorithm is an effective and efficient technique for image enhancement with relatively simple computational procedures, which makes real-time enhancement of digital videos successfully realized. It also demonstrates strong robustness and high image quality when compared to other techniques.

Paper Details

Date Published: 15 February 2006
PDF: 12 pages
Proc. SPIE 6063, Real-Time Image Processing 2006, 60630I (15 February 2006); doi: 10.1117/12.639711
Show Author Affiliations
Li Tao, Old Dominion Univ. (United States)
Vijayan K. Asari, Old Dominion Univ. (United States)


Published in SPIE Proceedings Vol. 6063:
Real-Time Image Processing 2006
Nasser Kehtarnavaz; Phillip A. Laplante, Editor(s)

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