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Authors: Gerald Zwettler ; Franz Pfeifer ; Roland Swoboda and Werner Backfrieder

Affiliation: Bio- and Medical Informatics Research Group, University of Applied Sciences Upper Austria, Austria

Keyword(s): Morphological Operators, Fast Thinning, Skeletonization, Computer Aided Diagnostics.

Related Ontology Subjects/Areas/Topics: Computer Vision, Visualization and Computer Graphics ; Image Formation and Preprocessing ; Mathematical Morphology

Abstract: Skeletonization is an important procedure in morphological analysis of three-dimensional objects. A simplified object geometry allows easy semantic interpretation at the cost of high computational effort. This paper introduces a fast morphological thinning approach for skeletonization of tubular structures and objects of arbitrary shape. With minimized constraints for erosions at the surface, hit-ratio is increased allowing high performance thinning with large datasets. Time consuming neighbourhood checking is solved by use of fast indexing lookup tables. The novel algorithm homogenously erodes the object’s surface, resulting in an accurate extraction of the centerline, even when the medial axis is placed between the actual voxel-grid. The thinning algorithm is applied for vessel tree analysis in the field of computer-based medical diagnostics and thus has to meet high robustness and performance requirements.

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Paper citation in several formats:
Zwettler, G.; Pfeifer, F.; Swoboda, R. and Backfrieder, W. (2008). ACCELERATED SKELETONIZATION ALGORITHM FOR TUBULAR STRUCTURES IN LARGE DATASETS BY RANDOMIZED EROSION. In Proceedings of the Third International Conference on Computer Vision Theory and Applications (VISIGRAPP 2008) - Volume 1: VISAPP; ISBN 978-989-8111-21-0; ISSN 2184-4321, SciTePress, pages 74-81. DOI: 10.5220/0001077000740081

@conference{visapp08,
author={Gerald Zwettler. and Franz Pfeifer. and Roland Swoboda. and Werner Backfrieder.},
title={ACCELERATED SKELETONIZATION ALGORITHM FOR TUBULAR STRUCTURES IN LARGE DATASETS BY RANDOMIZED EROSION},
booktitle={Proceedings of the Third International Conference on Computer Vision Theory and Applications (VISIGRAPP 2008) - Volume 1: VISAPP},
year={2008},
pages={74-81},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001077000740081},
isbn={978-989-8111-21-0},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the Third International Conference on Computer Vision Theory and Applications (VISIGRAPP 2008) - Volume 1: VISAPP
TI - ACCELERATED SKELETONIZATION ALGORITHM FOR TUBULAR STRUCTURES IN LARGE DATASETS BY RANDOMIZED EROSION
SN - 978-989-8111-21-0
IS - 2184-4321
AU - Zwettler, G.
AU - Pfeifer, F.
AU - Swoboda, R.
AU - Backfrieder, W.
PY - 2008
SP - 74
EP - 81
DO - 10.5220/0001077000740081
PB - SciTePress

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