Abstract
This paper presents the application of the electromagnetic induction holography (EMIH) approach to imaging the electromagnetic activity of the brain, with a particular focus on stroke detection. An integral equation formulation is presented to describe the scattered magnetic field from the distribution of optically small dielectric and magnetic objects of arbitrary shapes adsorbed onto a planar electromagnetic substrate. A numerical computer model was developed in a MATLAB environment to validate the theory. Several realistic human head models were developed to investigate the detectability of strokes with the multi-channel EMIH system. Small strokes can be clearly identified with the correct location and size in the reconstructed head images. The simulation results demonstrated the feasibility of detecting and imaging small strokes using the approach.
© 2017 Optical Society of America
Full Article | PDF ArticleMore Like This
Giuseppe Bevilacqua, Valerio Biancalana, Yordanka Dancheva, Alessandro Fregosi, Gaetano Napoli, and Antonio Vigilante
Opt. Express 29(23) 37081-37090 (2021)
Cameron Deans, Luca Marmugi, and Ferruccio Renzoni
Opt. Express 25(15) 17911-17917 (2017)
Shimaa Mahdy, Omnia Hamdy, Mohammed A. Hassan, and Mohamed A. Eldosoky
J. Opt. Soc. Am. A 39(4) 587-593 (2022)