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Authors: Karl Apaza and Carlos Andujar

Affiliation: Universitat Politecnica de Catalunya, Spain

Keyword(s): Displacement mapping, Relief mapping, GPU raycasting, Quadrilateral parameterization.

Related Ontology Subjects/Areas/Topics: Computer Vision, Visualization and Computer Graphics ; Real-Time Rendering ; Rendering ; Rendering Algorithms

Abstract: In this paper we present an algorithm for parameterizing arbitrary surfaces onto a quadrilateral domain defined by a collection of cubic cells. The parameterization inside each cell is implicit and thus requires storing no texture coordinates. Based upon this parameterization, we propose a unified representation of geometric and appearance information of complex models. The representation consists of a set of cubic cells (providing a coarse representation of the object) together with a collection of distance maps (encoding fine geometric detail inside each cell). Our new representation has similar uses than geometry images, but it requires storing a single distance value per texel instead of full vertex coordinates. When combined with color and normal maps, our representation can be used to render an approximation of the model through an output-sensitive relief mapping algorithm, thus being specially amenable for GPU raytracing.

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Paper citation in several formats:
Apaza, K. and Andujar, C. (2010). RELIEF MAPPING ON CUBIC CELL COMPLEXES. In Proceedings of the International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2010) - GRAPP; ISBN 978-989-674-026-9; ISSN 2184-4321, SciTePress, pages 181-189. DOI: 10.5220/0002837001810189

@conference{grapp10,
author={Karl Apaza. and Carlos Andujar.},
title={RELIEF MAPPING ON CUBIC CELL COMPLEXES},
booktitle={Proceedings of the International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2010) - GRAPP},
year={2010},
pages={181-189},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002837001810189},
isbn={978-989-674-026-9},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2010) - GRAPP
TI - RELIEF MAPPING ON CUBIC CELL COMPLEXES
SN - 978-989-674-026-9
IS - 2184-4321
AU - Apaza, K.
AU - Andujar, C.
PY - 2010
SP - 181
EP - 189
DO - 10.5220/0002837001810189
PB - SciTePress