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Dynamic range compression by differential zone mapping based on psychophysical experiments
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Banterle, Francesco, Artusi, Alessandro, Sikudova, Elena, Bashford-Rogers, Thomas, Ledda, Patrick, Bloj, Marina and Chalmers, Alan (2012) Dynamic range compression by differential zone mapping based on psychophysical experiments. In: ACM Symposium on Applied Perception , Los Angeles, 3-4 Aug 2012. Published in: Proceedings of the ACM Symposium on Applied Perception pp. 39-46. ISBN 9781450314312. doi:10.1145/2338676.2338685
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Official URL: http://dx.doi.org/10.1145/2338676.2338685
Abstract
In this paper we present a new technique for the display of High Dynamic Range (HDR) images on Low Dynamic Range (LDR) displays. The described process has three stages. First, the input image is segmented into luminance zones. Second, the tone mapping operator (TMO) that performs better in each zone is automatically selected. Finally, the resulting tone mapping (TM) outputs for each zone are merged, generating the final LDR output image. To establish the TMO that performs better in each luminance zone we conducted a preliminary psychophysical experiment using a set of HDR images and six different TMOs. We validated our composite technique on several (new) HDR images and conducted a further psychophysical experiment, using an HDR display as reference, that establishes the advantages of our hybrid three-stage approach over a traditional individual TMO.
| Item Type: | Conference Item (Paper) | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||
| Journal or Publication Title: | Proceedings of the ACM Symposium on Applied Perception | ||||
| Publisher: | ACM Press | ||||
| ISBN: | 9781450314312 | ||||
| Book Title: | Proceedings of the ACM Symposium on Applied Perception - SAP '12 | ||||
| Official Date: | 2012 | ||||
| Dates: |
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| Page Range: | pp. 39-46 | ||||
| DOI: | 10.1145/2338676.2338685 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Open Access (Creative Commons) | ||||
| Conference Paper Type: | Paper | ||||
| Title of Event: | ACM Symposium on Applied Perception | ||||
| Type of Event: | Conference | ||||
| Location of Event: | Los Angeles | ||||
| Date(s) of Event: | 3-4 Aug 2012 | ||||
| Related URLs: |
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