NDLI: Tone Mapping for HDR Image using Optimization A New Closed Form Solution

Content Provider	IEEE Xplore Digital Library
Author	Guoping Qiu Jian Guan Jian Duan Min Chen
Copyright Year	2006
Description	Author affiliation: Sch. of Comput. Sci. & Inf. Technol., Nottingham Univ. (Guoping Qiu; Jian Guan; Jian Duan; Min Chen)
Abstract	This paper studies an optimization approach for designing tone reproduction curve (TRC) based tone mapping operators for the display of high dynamic range (HDR) images in low dynamic range (LDR) reproduction media. Previous work has shown that the tone mapping problem can be formulated as that of optimizing a two-term cost function where adjusting the relative weightings of the two terms allows users to interactively control the appearance of the output image. However, only heuristic solutions to the tone mapping objective function have been found in past research. The main contribution of this paper is the re-formulation of the objective function to allow the introduction of a closed-form solution to the two-term tone mapping objective function. The new solution has simplified previous heuristic solutions and made this approach mathematically more elegant, computationally faster and practically easier to implement
Sponsorship	IEEE CPS
Starting Page	996
Ending Page	999
File Size	688467
Page Count	4
File Format	PDF
ISBN	0769525210
ISSN	10514651
DOI	10.1109/ICPR.2006.1125
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-08-20
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Closed-form solution Dynamic range Layout Cameras Humans Computer displays Visual system Brightness Computer science Information technology
Content Type	Text
Resource Type	Article
Subject	Computer Vision and Pattern Recognition

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