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Noninvasive Activation Imaging of Ventricular Arrhythmias by Spatial Gradient Sparse in Frequency Domain -Application to Mapping Reentrant Ventricular Tachycardia
2018
IEEE Transactions on Medical Imaging
The aim of this paper is to develop and evaluate a novel imaging method [spatial gradient sparse in frequency domain (SSF)] for the reconstruction of activation sequences of ventricular arrhythmia from noninvasive body surface potential map (BSPM) measurements. We formulated and solved the electrocardiographic inverse problem in the frequency domain, and the activation time was encoded in the phase information of the imaging solution. A cellular automaton heart model was used to generate focal
doi:10.1109/tmi.2018.2866951
pmid:30136937
pmcid:PMC6372101
fatcat:5uhw25r4ozebpplq7ssuathehm