NDLI: Precise segmentation of the left atrium in C-arm CT volumes with applications to atrial fibrillation ablation

Content Provider	IEEE Xplore Digital Library
Author	Yefeng Zheng John, M. Boese, J. Comaniciu, D.
Copyright Year	2012
Description	Author affiliation: Image Analytics and Informatics, Siemens Corporate Research, USA (Yefeng Zheng; Comaniciu, D.) \|\| Healthcare Sector, Siemens AG, Germany (John, M.; Boese, J.)
Abstract	A patient-specific left atrium (LA) model extracted from intra-operative C-arm CT plays an important role in planning for transcatheter left atrial fibrillation ablation. Overlaying the LA model onto 2D fluoroscopic images provides valuable visual guidance during the intervention. However, automatic segmentation of the LA, together with the left atrial appendage (LAA) and the pulmonary vein (PV) trunks, is challenging due to the large structural variations and imaging artifacts. In this paper we exploit a part based LA model to handle the structural variations and different parts are then merged into a consolidated mesh. The connection region between the PV/LAA and the LA chamber is segmented precisely by enforcing both image boundary delineation accuracy and mesh smoothness. Furthermore, the boundary between parts is optimized to improve the mesh part labeling accuracy.
Starting Page	1421
Ending Page	1424
File Size	473584
Page Count	4
File Format	PDF
ISBN	9781457718571
ISSN	19457928
e-ISBN	9781457718588
DOI	10.1109/ISBI.2012.6235835
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-05-02
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image segmentation Computed tomography Shape Computational modeling Accuracy Labeling Robustness C-arm CT Left Atrium Segmentation Atrial Fibrillation Ablation
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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Multi-Part Modeling and Segmentation of Left Atrium in C-Arm CT for Image-Guided Ablation of Atrial Fibrillation

Precise segmentation of the left atrium in C-arm CT volumes with applications to atrial fibrillation ablation (2012)

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