Multi-Atlas-Based Segmentation of the Left Atrium and Pulmonary Veins

Zulma Sandoval 1 Julian Betancur 1 Jean-Louis Dillenseger 1, *
* Auteur correspondant
1 LTSI - Laboratoire Traitement du Signal et de l'Image
Abstract : This paper presents a multi-atlas segmentation approach concerning the left atrium and pulmonary veins in pre-operative CT images in order to plan ablation therapy in patients with atrial fibrillation. The segmentation procedure is composed of an atlas-based segmentation followed by a region-growing method. The atlas-based segmentation step exploits the a priori knowledge of existing structures to extract the inner region of the left atrium. The output of the atlas-based segmentation is then eroded to be used as seed volume in the region-growing procedure. This step adds new voxels according to a criterion which uses the intensity information of the input image.
Keywords : Multi-atlas segmentation affine registration elastic registration region-growing left atrium pulmonary veins Atrial fibrillation therapy
Type de document :
Communication dans un congrès
Statistical Atlases and Computational Models of the Heart - MICCAI 2013, Sep 2013, Nagoya, Japan. 8330, pp.24-30, 2014, 〈10.1007/978-3-642-54268-8_3〉
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http://www.hal.inserm.fr/inserm-00950446
Contributeur : Jean-Louis Dillenseger <>
Soumis le : vendredi 21 février 2014 - 14:29:15
Dernière modification le : mercredi 16 mai 2018 - 11:23:41

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LTSI | UNIV-RENNES

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Zulma Sandoval, Julian Betancur, Jean-Louis Dillenseger. Multi-Atlas-Based Segmentation of the Left Atrium and Pulmonary Veins. Statistical Atlases and Computational Models of the Heart - MICCAI 2013, Sep 2013, Nagoya, Japan. 8330, pp.24-30, 2014, 〈10.1007/978-3-642-54268-8_3〉. 〈inserm-00950446〉

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