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Authors: Raquel Concheiro 1 ; Margarita Amor 1 ; Montserrat Bóo 2 ; Iago Iglesias 1 ; Emilio J. Padrón 1 and Ramón Doallo 1

Affiliations: 1 Univ. Coruña, Spain ; 2 Univ. Santiago de Compostela, Spain

ISBN: 978-989-8565-02-0

Keyword(s): Multiresolution, GPU, Radiosity, Subdivision Surface.

Related Ontology Subjects/Areas/Topics: Computer Vision, Visualization and Computer Graphics ; Geometry and Modeling ; Lighting and Appearance ; Multi-Resolution Modeling ; Rendering ; Rendering Hardware

Abstract: The radiosity computation has the important feature of producing view independent results, but these results are mesh dependent and, in consequence, are attached to a specific level of detail in the input mesh. Therefore, rendering at iterative frame rates would benefit from the utilization of multiresolution models. In this paper we focus on the rendering stage of a solution for hierarchical radiosity for multiresolution systems. This method is based on the application of an enriched hierarchical radiosity algorithm to an input scene with low resolution objects (represented by coarse meshes), and the efficient data management of the resulting values. The proposed encoding makes it possible to apply the color values obtained for the coarse objects to detailed versions of these objects during the rendering phase. These finer meshes are obtained by a standard mesh subdivision strategy, such as the Loop subdivision scheme. Our solution performs the whole rendering stage of this multireso lution approach on the GPU, implementing it in the geometry shader using Microsoft HLSL. Results of our implementation show an important reduction in computational costs. (More)

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Paper citation in several formats:
Concheiro, R.; Amor, M.; Bóo, M.; Iglesias, I.; J. Padrón, E. and Doallo, R. (2012). SYNTHESIS OF MULTIRESOLUTION SCENES WITH GLOBAL ILLUMINATION ON A GPU.In Proceedings of the International Conference on Computer Graphics Theory and Applications and International Conference on Information Visualization Theory and Applications - Volume 1: GRAPP, (VISIGRAPP 2012) ISBN 978-989-8565-02-0, pages 274-279. DOI: 10.5220/0003853402740279

@conference{grapp12,
author={Raquel Concheiro. and Margarita Amor. and Montserrat Bóo. and Iago Iglesias. and Emilio J. Padrón. and Ramón Doallo.},
title={SYNTHESIS OF MULTIRESOLUTION SCENES WITH GLOBAL ILLUMINATION ON A GPU},
booktitle={Proceedings of the International Conference on Computer Graphics Theory and Applications and International Conference on Information Visualization Theory and Applications - Volume 1: GRAPP, (VISIGRAPP 2012)},
year={2012},
pages={274-279},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003853402740279},
isbn={978-989-8565-02-0},
}

TY - CONF

JO - Proceedings of the International Conference on Computer Graphics Theory and Applications and International Conference on Information Visualization Theory and Applications - Volume 1: GRAPP, (VISIGRAPP 2012)
TI - SYNTHESIS OF MULTIRESOLUTION SCENES WITH GLOBAL ILLUMINATION ON A GPU
SN - 978-989-8565-02-0
AU - Concheiro, R.
AU - Amor, M.
AU - Bóo, M.
AU - Iglesias, I.
AU - J. Padrón, E.
AU - Doallo, R.
PY - 2012
SP - 274
EP - 279
DO - 10.5220/0003853402740279

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