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Image-guided percutaneous interventions have successfully replaced invasive surgical methods in some cardiologic practice, where the use of 3D-reconstructed cardiac images, generated by Magnetic Resonance Imaging (MRI) and Computed Tomography (CT), plays an important role. To conduct computer-aided catheter ablation of atrial fibrillation accurately, multimodal information integration with Electro-Anatomic Mapping (EAM) data and MRI/CT images is considered in this paper. Specifically, they propose a variational formulation for surface reconstruction and incorporate the prior shape knowledge, which results in a level set method.
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