Adaptive tone-mapping transfer functions for high dynamic range video cameras

S.D. Cvetkovic, J. Klijn, P.H.N. With, de

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

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Abstract

For real-time imaging with digital video cameras, good tonal rendition of video is important to ensure high visual comfort for the user. Except local contrast improvements, high dynamic range (HDR) scenes require adaptive gradation correction (tone-mapping curve) that should enable good visualization of details at lower brightness. We discuss how to construct and control optimal tone mapping curves, which enhance visibility of image details in the dark regions while not excessively compressing the image in the bright image parts. The result of this method is a 21 dB expansion of the dynamic range. The new algorithm was successfully evaluated in HW and is suited for any video system performing HDR video compression.
Original languageEnglish
Title of host publicationProceedings of the International Conference on Consumer Electronics 2008, ICCE 2008, 9-13 January 2008, Las Vegas, Nevada
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Number of pages2
ISBN (Electronic)978-1-4244-1459-8
ISBN (Print)978-1-4244-1458-1
DOIs
Publication statusPublished - 2009
Event2008 IEEE International Conference on Consumer Electronics (ICCE 2008) - Las Vegas, United States
Duration: 9 Jan 200813 Jan 2008

Conference

Conference2008 IEEE International Conference on Consumer Electronics (ICCE 2008)
Abbreviated titleICCE 2008
CountryUnited States
CityLas Vegas
Period9/01/0813/01/08

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