Title :
Reconstruction of epicardial potentials from body surface Laplacian maps by using a realistically shaped heart-torso model
Author :
Wu, Dongsheng ; Wang, Yunhua ; He, Bin
Author_Institution :
Dept. of Bioeng., Illinois Univ., Chicago, IL, USA
fDate :
29 Oct-1 Nov 1998
Abstract :
We have developed a new algorithm to reconstruct epicardial potentials from body surface Laplacian maps (BSLMs) in a volume conductor with arbitrary shape. Computer simulation was conducted to evaluate the numerical accuracy of the epicardial potential inverse solutions reconstructed from BSLMs in a realistically shaped heart-torso model. Our simulation results indicate the feasibility of solving the epicardial potential inverse problem from BSLMs in an arbitrarily shaped volume conductor
Keywords :
Laplace equations; bioelectric potentials; electrocardiography; inverse problems; medical signal processing; physiological models; signal reconstruction; transfer function matrices; arbitrary shape; body surface Laplacian maps; cardiac activity imaging; computer simulation; epicardial potentials reconstruction; forward solution; ill-posed problems; inverse solutions; numerical accuracy; realistically shaped heart-torso model; transfer matrix; volume conductor; Biomedical engineering; Computational modeling; Computer simulation; Conductors; Electronic mail; Image reconstruction; Inverse problems; Laplace equations; Shape; Surface reconstruction;
Conference_Titel :
Engineering in Medicine and Biology Society, 1998. Proceedings of the 20th Annual International Conference of the IEEE
Conference_Location :
Hong Kong
Print_ISBN :
0-7803-5164-9
DOI :
10.1109/IEMBS.1998.745828
