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Authors: Klaus Drechsler and Cristina Oyarzun Laura

Affiliation: Fraunhofer Institute for Computer Graphics Research IGD, Germany

Keyword(s): Cardiology, Catheterization, Dimension Reduction, 3D/2D Registration, Exhaustive Search, Search Space Reduction.

Related Ontology Subjects/Areas/Topics: Applications ; Medical Imaging ; Pattern Recognition ; Software Engineering

Abstract: We present an anatomical landmark-based rigid 3D/2D registration algorithm to register computed tomography angiography (CTA) datasets with coronary angiograms (CA) gathered during a cardiac catheterization. It has to solve for six transformation parameters (three rotation and three translation parameters). An exhaustive search in a six dimensional search space is usually computationally very expensive and algorithms using optimization strategies can get lost in local minima. We propose a method based on centroids to reduce search space from six to four dimensions. Modern C-Arm devices store a lot of information about the acquisition geometry that are used to further reduce the search space. We use this method to develop an efficient smart exhaustive search to solve for the six transformation parameters in a competitive time. With our method registration errors of < 2 mm are feasible. Execution times of < 1 sec. can be reached on a QuadCore CPU.

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Paper citation in several formats:
Drechsler, K. and Oyarzun Laura, C. (2010). DIMENSION REDUCTION BASED ON CENTROIDS FOR MULTIMODAL ANATOMICAL LANDMARK-BASED 3D/2D REGISTRATION OF CORONARY ANGIOGRAMS. In Proceedings of the International Conference on Imaging Theory and Applications and International Conference on Information Visualization Theory and Applications (VISIGRAPP 2010) - IMAGAPP; ISBN 978-989-674-027-6; ISSN 2184-4321, SciTePress, pages 49-56. DOI: 10.5220/0002826100490056

@conference{imagapp10,
author={Klaus Drechsler. and Cristina {Oyarzun Laura}.},
title={DIMENSION REDUCTION BASED ON CENTROIDS FOR MULTIMODAL ANATOMICAL LANDMARK-BASED 3D/2D REGISTRATION OF CORONARY ANGIOGRAMS},
booktitle={Proceedings of the International Conference on Imaging Theory and Applications and International Conference on Information Visualization Theory and Applications (VISIGRAPP 2010) - IMAGAPP},
year={2010},
pages={49-56},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002826100490056},
isbn={978-989-674-027-6},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the International Conference on Imaging Theory and Applications and International Conference on Information Visualization Theory and Applications (VISIGRAPP 2010) - IMAGAPP
TI - DIMENSION REDUCTION BASED ON CENTROIDS FOR MULTIMODAL ANATOMICAL LANDMARK-BASED 3D/2D REGISTRATION OF CORONARY ANGIOGRAMS
SN - 978-989-674-027-6
IS - 2184-4321
AU - Drechsler, K.
AU - Oyarzun Laura, C.
PY - 2010
SP - 49
EP - 56
DO - 10.5220/0002826100490056
PB - SciTePress

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