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Proceedings Paper

Computational model of lightness perception in high dynamic range imaging
Author(s): Grzegorz Krawczyk; Karol Myszkowski; Hans-Peter Seidel
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Paper Abstract

An anchoring theory of lightness perception by Gilchrist et al. [1999] explains many characteristics of human visual system such as lightness constancy and its spectacular failures which are important in the perception of images. The principal concept of this theory is the perception of complex scenes in terms of groups of consistent areas (frameworks). Such areas, following the gestalt theorists, are defined by the regions of common illumination. The key aspect of the image perception is the estimation of lightness within each framework through the anchoring to the luminance perceived as white, followed by the computation of the global lightness. In this paper we provide a computational model for automatic decomposition of HDR images into frameworks. We derive a tone mapping operator which predicts lightness perception of the real world scenes and aims at its accurate reproduction on low dynamic range displays. Furthermore, such a decomposition into frameworks opens new grounds for local image analysis in view of human perception.

Paper Details

Date Published: 3 February 2006
PDF: 12 pages
Proc. SPIE 6057, Human Vision and Electronic Imaging XI, 605708 (3 February 2006); doi: 10.1117/12.639266
Show Author Affiliations
Grzegorz Krawczyk, MPI Informatik (Germany)
Karol Myszkowski, MPI Informatik (Germany)
Hans-Peter Seidel, MPI Informatik (Germany)

Published in SPIE Proceedings Vol. 6057:
Human Vision and Electronic Imaging XI
Bernice E. Rogowitz; Thrasyvoulos N. Pappas; Scott J. Daly, Editor(s)

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