Banterle, Francesco, Ledda, Patrick, Debattista, Kurt and Chalmers, Alan (2006) Inverse tone mapping. In: GRAPHITE 2006, Kuala Lumpur, Malaysia, 29 Nov - 2 Dec 2006. Published in: Proceedings of the 4th nternational Conference on Computer Graphics and Interactive Techniques in Australasia and South East Asia Kuala Lumpur (Malasia), November 29-December 2, 2006 pp. 349-356. ISSN 9781595935649. doi:10.1145/1174429.1174431

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Abstract

In recent years many Tone Mapping Operators (TMOs) have been presented in order to display High Dynamic Range Images (HDRI) on typical display devices. TMOs compress the luminance range while trying to maintain contrast. The dual of tone mapping, inverse tone mapping, expands a Low Dynamic Range Image (LDRI) into a HDRI. HDRIs contain a broader range of physical values that can be perceived by the human visual system. The majority of today's media is stored in low dynamic range. Inverse Tone Mapping Operators (iTMOs) could thus potentially revive all of this content for use in high dynamic range display and image-based lighting. We propose an approximate solution to this problem that uses median-cut to find the areas considered of high luminance and subsequently apply a density estimation to generate an Expand-map in order to extend the range in the high luminance areas using an inverse Photographic Tone Reproduction operator.

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 4th nternational Conference on Computer Graphics and Interactive Techniques in Australasia and South East Asia Kuala Lumpur (Malasia), November 29-December 2, 2006
Publisher:	ACM
ISSN:	9781595935649
Book Title:	Proceedings of the 4th international conference on Computer graphics and interactive techniques in Australasia and Southeast Asia - GRAPHITE '06
Official Date:	2006
Dates:	Date Event 2006 Published
Page Range:	pp. 349-356
DOI:	10.1145/1174429.1174431
Status:	Peer Reviewed
Publication Status:	Published
Conference Paper Type:	Paper
Title of Event:	GRAPHITE 2006
Type of Event:	Conference
Location of Event:	Kuala Lumpur, Malaysia
Date(s) of Event:	29 Nov - 2 Dec 2006

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