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  Understanding exposure for reverse tone mapping

Martin, M., Fleming, R., Sorkine, O., & Gutierrez, D. (2008). Understanding exposure for reverse tone mapping. In L. Matey, & J. Torres (Eds.), CEIG 08: Congreso Español de Informática Gráfica (pp. 189-198). Aire-la-Ville, Switzerland: Eurographics Association.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-C75B-0 Version Permalink: https://hdl.handle.net/21.11116/0000-0003-3D21-4
Genre: Conference Paper

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http://diglib.eg.org/handle/10.2312/LocalChapterEvents.CEIG.CEIG08.189-197 (Publisher version)
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 Creators:
Martin, M, Author
Fleming, RW1, 2, Author           
Sorkine, O, Author
Gutierrez, D, Author
Affiliations:
1Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: High dynamic range (HDR) displays are capable of providing a rich visual experience by boosting both luminance
and contrast beyond what conventional displays can offer.We envision that HDR capture and display hardware will
soon reach the mass market and become mainstream in most fields, from entertainment to scientific visualization.
This will necessarily lead to an extensive redesign of the imaging pipeline. However, a vast amount of legacy
content is available, captured and stored using the traditional, low dynamic range (LDR) pipeline. The immediate
question that arises is: will our current LDR digital material be properly visualized on an HDR display? The
answer to this question involves the process known as reverse tone mapping (the expansion of luminance and
contrast to match those of the HDR display) for which no definite solution exists.
This paper studies the specific problem of reverse tone mapping for imperfect legacy still images, where some
regions are under- or overexposed. First, we show the results of a psychophysical study compared with first-order
image statistics, in an attempt to gain some understanding in what makes an image be perceived as incorrectly
exposed; second, we propose a methodology to evaluate existing reverse tone mapping algorithms in the case of
imperfect legacy content.

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 Dates: 2008-09
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: BibTex Citekey: 5732
DOI: 10.2312/LocalChapterEvents/CEIG/CEIG08/189-197
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Title: XVIII. Congreso Español de Informática Gráfica (CEIG 2008)
Place of Event: Barcelona, Spain
Start-/End Date: 2008-09-03 - 2008-09-05

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Title: CEIG 08: Congreso Español de Informática Gráfica
Source Genre: Proceedings
 Creator(s):
Matey, L, Editor
Torres, JC, Editor
Affiliations:
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Publ. Info: Aire-la-Ville, Switzerland : Eurographics Association
Pages: 268 Volume / Issue: - Sequence Number: - Start / End Page: 189 - 198 Identifier: ISBN: 978-3-905673-69-2