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Authors: Xiao Li 1 ; Shengzhou Luo 1 ; Jianhuang Wu 1 and Xin Ma 2

Affiliations: 1 Chinese Academy of Sciences and The Chinese University of Hong Kong, China ; 2 Chinese Academy of Sciences and The Chinese University of Hong Kong, China

Keyword(s): Importance-driven, Volume rendering, Gradient peeling.

Related Ontology Subjects/Areas/Topics: Computer Vision, Visualization and Computer Graphics ; Rendering ; Volume Rendering

Abstract: Volume rendering is widely used in visualizing and exploring volume datasets. In volume visualization, it is challenging to obtain desired results, because different tissue types are represented in overlapping ranges of scalar values and interesting structures will be partly or completely occluded by surrounding tissue of less importance. This paper introduces importance-driven volume rendering and gradient peeling techniques to reveal inner structures of interest. The importance of clusters is specified interactively and composited into the opacity of voxels. Then gradient peeling is performed on the clusters whose importance is greater than the user-defined threshold. This semi-automatic approach provides users with the freedom to visualize clusters of interest and the ability to peel off surface layers of the material. Experiment results show that our approach has superior capability in revealing inner structures and removing surrounding tissue which occludes the tissue of interest.

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Paper citation in several formats:
Li, X.; Luo, S.; Wu, J. and Ma, X. (2011). IMPORTANCE-DRIVEN VOLUME RENDERING AND GRADIENT PEELING. In Proceedings of the International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2011) - GRAPP; ISBN 978-989-8425-45-4; ISSN 2184-4321, SciTePress, pages 211-214. DOI: 10.5220/0003368002110214

@conference{grapp11,
author={Xiao Li. and Shengzhou Luo. and Jianhuang Wu. and Xin Ma.},
title={IMPORTANCE-DRIVEN VOLUME RENDERING AND GRADIENT PEELING},
booktitle={Proceedings of the International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2011) - GRAPP},
year={2011},
pages={211-214},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003368002110214},
isbn={978-989-8425-45-4},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2011) - GRAPP
TI - IMPORTANCE-DRIVEN VOLUME RENDERING AND GRADIENT PEELING
SN - 978-989-8425-45-4
IS - 2184-4321
AU - Li, X.
AU - Luo, S.
AU - Wu, J.
AU - Ma, X.
PY - 2011
SP - 211
EP - 214
DO - 10.5220/0003368002110214
PB - SciTePress

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