Liu, Y;
Captur, G;
Moon, JC;
Guo, S;
Yang, X;
Zhang, S;
Li, C;
(2016)
Distance regularized two level sets for segmentation of left and right ventricles from cine-MRI.
Magnetic Resonance Imaging
, 34
(5)
pp. 699-706.
10.1016/j.mri.2015.12.027.
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Abstract
This paper presents a new level set method for segmentation of cardiac left and right ventricles. We extend the edge based distance regularized level set evolution (DRLSE) model in Li et al. (2010) to a two-level-set formulation, with the 0-level set and k-level set representing the endocardium and epicardium, respectively. The extraction of endocardium and epicardium is obtained as a result of the interactive curve evolution of the 0 and k level sets derived from the proposed variational level set formulation. The initialization of the level set function in the proposed two-level-set DRLSE model is generated from roughly located endocardium, which can be performed by applying the original DRLSE model. Experimental results have demonstrated the effectiveness of the proposed two-level-set DRLSE model.
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