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Semi-automatic Left Atrial Appendage Segmentation from 3D CCTA images (CROSBI ID 653990)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Leventić, Hrvoje ; Babin, Danilo ; Velicki, Lazar ; Galić, Irena ; Zlokolica, Vladimir Semi-automatic Left Atrial Appendage Segmentation from 3D CCTA images // Proceedings ELMAR-2017 / Muštra, Mario ; Vitas, Dijana ; Zovko-Cihlar, Branka (ur.). Zagreb, 2017. str. 51-55

Podaci o odgovornosti

Leventić, Hrvoje ; Babin, Danilo ; Velicki, Lazar ; Galić, Irena ; Zlokolica, Vladimir

engleski

Semi-automatic Left Atrial Appendage Segmentation from 3D CCTA images

Left Atrial Appendage closure is a relatively novel percutaneous procedure for patients suffering from Atrial Fibrillation (AF). LAA closure has only recently been approved for clinical use and preparations for closure procedures are in most hospitals performed by manual segmentation of Coronary CT Angiography (CCTA) images. We present a novel semi-automatic LAA segmentation method using two seed points (starting and stopping points for segmentation) and manually selected threshold. The method performs the visualization of the segmented LAA and enables a doctor to select 3 points which define a plane in 3D space (the ostium) where the LAA will be occluded. Performance of the proposed method is evaluated on 8 CCTA datasets manually segmented by a cardiovascular surgeon. Proposed method achieves an average DICE coefficient of 91.7% on evaluation datasets.

CCTA ; LAA ; Left atrial appendage segmentation ; Centerline detection

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Podaci o prilogu

51-55.

2017.

objavljeno

Podaci o matičnoj publikaciji

Proceedings ELMAR-2017

Muštra, Mario ; Vitas, Dijana ; Zovko-Cihlar, Branka

Zagreb:

978-953-184-230-3

1334-2630

Podaci o skupu

59th International Symposium ELMAR-2017

predavanje

18.09.2017-20.09.2017

Zagreb, Hrvatska

Povezanost rada

Računarstvo