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Dynamic feathering: Minimising blending artefacts in view-dependent rendering

Guillemaut, Jean-Yves, Kilner, J, Starck, J and Hilton, Adrian (2007) Dynamic feathering: Minimising blending artefacts in view-dependent rendering In: ET 4th European Conference on Visual Media Production (CVMP 2007), 27 - 28 Nov 2007, London UK.

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Conventional view-dependent texture mapping techniques produce composite images by blending subsets of input images, weighted according to their relative influence at the rendering viewpoint, over regions where the views overlap. Geometric or camera calibration errors often result in a los s of detail due to blurring or double exposure artefacts which tends to be exacerbated by the number of blending views considered. We propose a novel view-dependent rendering technique which optimises the blend region dynamically at rendering time, and reduces the adverse effects of camera calibration or geometric errors otherwise observed. The technique has been successfully integrated in a rendering pipeline which operates at interactive frame rates. Improvement over state-of-the-art view-dependent texture mapping techniques are illustrated on a synthetic scene as well as real imagery of a large scale outdoor scene where large camera calibration and geometric errors are present.

Item Type: Conference or Workshop Item (Conference Paper)
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering > Centre for Vision Speech and Signal Processing
Authors :
Kilner, J
Starck, J
Date : 2007
DOI : 10.1049/cp:20070043
Copyright Disclaimer : Copyright 2007 IET. This paper is a postprint of a paper submitted to and accepted for publication in IET Conference Publications and is subject to Institution of Engineering and Technology Copyright. The copy of record is available at IET Digital Library.
Depositing User : Symplectic Elements
Date Deposited : 02 Dec 2014 18:00
Last Modified : 16 Jan 2019 16:54

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