HDR-based lighting estimation for virtual studio (TV) environments

  • Two high dynamic range HDR environments maps based on video streams from fish-eye lens cameras are used for generating virtual lights in a virtual set renderer. The task of realistic virtual light setup of scenes using captured environment maps might be eased as well as visual quality improves. We discuss the light setting problem for virtual studio tv productions which have mixed scenes of real objects, actors, virtual objects and virtual backgrounds. Benefits of hdr interactive light control are that the real light in the studio does not have to be remodeled and the artistic impression by using the light in the studio is also captured. An analysis of system requirements identifies technical challenges. We discuss the properties of a prototype system including test production.

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Author:Jens HerderORCiDGND, Christian Neider, Shinichi Kinuwaki
open access:Green - Zweitveröffentlichung – meist in Form eines Manuskripts (z. B. Preprint oder Postprint)
Fachbereich/Einrichtung:Hochschule Düsseldorf / Fachbereich - Medien
Hochschule Düsseldorf / Fachbereich - Medien / Creative Media Production and Entertainment Computing
Document Type:Conference Proceeding
Year of Completion:2007
Language of Publication:English
Place of publication:Düsseldorf, Aizu-Wakamatsu
Parent Title (English):10th International Conference on Human and Computer
First Page:111
Last Page:117
URN:urn:nbn:de:hbz:due62-opus-16665
DOI:https://doi.org/10.20385/opus4-1666
Tag:FHD
HDR environment maps; VSVR; Virtual (TV) Studio; light interaction; tracking; video processing; virtual set environments
Licence (German):Creative Commons - CC BY-SA - Namensnennung - Weitergabe unter gleichen Bedingungen 4.0 International
Release Date:2019/02/01
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