无创心电图成像(ECGI)中铅去除与线性插值的准确性

2015 Computing in Cardiology Conference (CinC) Pub Date : 2015-09-06 DOI:10.1109/CIC.2015.7411067

L. Bear, M. Potse, J. Duchâteau, N. Zemzemi, Y. Coudière, R. Dubois

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引用次数: 12

摘要

本研究考察了缺失的体表电位对反解的影响，并确定线性插值是否可以恢复丢失的信息。利用模拟和实验数据，在1)去除和2)插值“破碎”信号后重建了电图(EGMs)。结果表明，躯干电位在胸部缺失会降低反演的准确性。线性插值没有改善，而且会进一步降低重建精度。

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Accuracy of lead removal vs linear interpolation in non-invasive electrocardiographic imaging (ECGI)

This study examines the effect of missing body surface potentials on inverse solutions, and determines if linear interpolation can regain information lost. Using simulated and experimental data, electrograms (EGMs) were reconstructed after 1) removing and 2) interpolating `broken' signals. Results showed that torso potentials missing over the chest can reduce inverse reconstruction accuracy. Linear interpolation did not improve, and could further deteriorate reconstruction accuracy.

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2015 Computing in Cardiology Conference (CinC)

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