Abstract
Reconstructing the cardiac current source and its imaging with magnetic field data measured by the superconducting quantum interference on the surface of the human thoracic cavity is a new technique for non-invasive acquisition of information on cardiac electrical activity. Through the region contraction strategy, combined with the efficient sparse reconstruction algorithm which has been widely used in wireless communications, the accuracy of reconstruction is improved, and experimental support is provided for the subsequent development and practice of cardiac current imaging. The trajectory imaging of the reconstructed current source of magnetocardiography data is used to study the cardiac electrical activity conduction in the Q-R-S part of magnetocardiographic wave. Results for healthy people are given. The band trajectories initially reveal the conduction characteristics of ventricle electrical excitation in depolarization. This study aims to provide an applicable E-health smart service system with visual function of cardiac electrical activity.
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Acknowledgements
The authors would like to express their gratitude to Prof. Shiqin Jiang, Ph.D. Dafang Zhou, Ph.D. Chen Zhao for academic exchange and great support during this project. The authors are also grateful to Ph.D. Shulin Zhang, Prof. Xiaoming Xie, et al. from Shanghai Institute of Microsystem and Information Technology, for kindly providing the MCG data. This work is supported by the Natural Science Foundation of Shanghai (Grant No. 18ZR1427400) and the Shanghai Business School ‘Phosphor’ Science Foundation.
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Bing, L., Wang, W. (2021). Region Contraction-Based Sparse Approach for Magnetocardiography Current Source Imaging. In: Kountchev, R., Mahanti, A., Chong, S., Patnaik, S., Favorskaya, M. (eds) Advances in Wireless Communications and Applications. Smart Innovation, Systems and Technologies, vol 190. Springer, Singapore. https://doi.org/10.1007/978-981-15-5697-5_27
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DOI: https://doi.org/10.1007/978-981-15-5697-5_27
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