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Authors: Jan Rus and Libor Váša

Affiliation: University of West Bohemia, Czech Republic

Keyword(s): Static Triangle Meshes, Dynamic Triangle Meshes, Data Compression, Coddyac, Clustering, Blocking Artifacts, Deblocking, Visual Quality.

Related Ontology Subjects/Areas/Topics: Computer Vision, Visualization and Computer Graphics ; Geometric Computing ; Geometry and Modeling ; Modeling and Algorithms

Abstract: Mesh segmentation (clustering) is a useful tool, which improves compression performance. On the other hand, per-partes processing of meshes often leads to new types of artifacts - cracks and shifts on the borders between clusters. These artifacts are detected by both, Human Visual System (HVS) and perceptually-motivated distortion metrics. In this paper, we present a post processing algorithm, which aims at reducing such artifacts without needing any additional data - using only information about the cluster distribution that is already present at the decoder. A rigid transformation, which minimises the border artifacts, is iteratively computed and applied per cluster. Our experiments show that this approach leads to a reduction of distortion, as measured by the STED metric, by up to 18% for low bitrates. We also present visual results confirming that the improvement is well visible.

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Paper citation in several formats:
Rus, J. and Váša, L. (2012). DEBLOCKING FOR DYNAMIC TRIANGLE MESHES. In Proceedings of the International Conference on Computer Graphics Theory and Applications and International Conference on Information Visualization Theory and Applications (VISIGRAPP 2012) - GRAPP; ISBN 978-989-8565-02-0; ISSN 2184-4321, SciTePress, pages 48-57. DOI: 10.5220/0003829700480057

@conference{grapp12,
author={Jan Rus. and Libor Váša.},
title={DEBLOCKING FOR DYNAMIC TRIANGLE MESHES},
booktitle={Proceedings of the International Conference on Computer Graphics Theory and Applications and International Conference on Information Visualization Theory and Applications (VISIGRAPP 2012) - GRAPP},
year={2012},
pages={48-57},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003829700480057},
isbn={978-989-8565-02-0},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the International Conference on Computer Graphics Theory and Applications and International Conference on Information Visualization Theory and Applications (VISIGRAPP 2012) - GRAPP
TI - DEBLOCKING FOR DYNAMIC TRIANGLE MESHES
SN - 978-989-8565-02-0
IS - 2184-4321
AU - Rus, J.
AU - Váša, L.
PY - 2012
SP - 48
EP - 57
DO - 10.5220/0003829700480057
PB - SciTePress