Results 31 to 40 of about 502,307 (287)

On the Forward Scattering of Microwave Breast Imaging

International Journal of Biomedical Imaging, 2012
Microwave imaging for breast cancer detection has been of significant interest for the last two decades. Recent studies focus on solving the imaging problem using an inverse scattering approach.
Hoi-Shun Lui, Andreas Fhager, Mikael Persson   +2 more
doaj   +1 more source

Influence of Parameter Selection in Fixed Sample Entropy of Surface Diaphragm Electromyography for Estimating Respiratory Activity

Entropy, 2017
Fixed sample entropy (fSampEn) is a robust technique that allows the evaluation of inspiratory effort in diaphragm electromyography (EMGdi) signals, and has potential utility in sleep studies.
Luis Estrada, Abel Torres, Leonardo Sarlabous, Raimon Jané   +3 more
doaj   +1 more source

Physiological Recording in the MRI Environment (PRiME): MRI-Compatible Hemodynamic Recording System

IEEE Journal of Translational Engineering in Health and Medicine, 2018
Hemodynamic recording during interventional cardiovascular procedures is essential for procedural guidance, monitoring patient status, and collection of diagnostic information. Recent advances have made interventions guided by magnetic resonance imaging (
John W. Kakareka, Anthony Z. Faranesh, Randall H. Pursley, Adrienne Campbell-Washburn, Daniel A. Herzka, Toby Rogers, Josh Kanter, Kanishka Ratnayaka, Robert J. Lederman, Thomas J. Pohida   +9 more
doaj   +1 more source

Development of a Fully Optimized Convolutional Neural Network for Astrocytoma Classification in MRI Using Explainable Artificial Intelligence

Journal of Imaging
Astrocytoma is the most common type of brain glioma and is classified by the World Health Organization into four grades, providing prognostic insights and guiding treatment decisions.
Christos Ch. Andrianos, Spiros A. Kostopoulos, Ioannis K. Kalatzis, Dimitris Th. Glotsos, Pantelis A. Asvestas, Dionisis A. Cavouras, Emmanouil I. Athanasiadis   +6 more
doaj   +1 more source

Oligoclonal Band Straightening Based on Optimized Hierarchical Warping for Multiple Sclerosis Diagnosis

Sensors, 2022
The detection of immunoglobulin G (IgG) oligoclonal bands (OCB) in cerebrospinal fluid (CSF) by isoelectric focusing (IEF) is a valuable tool for the diagnosis of multiple sclerosis.
Farah Haddad, Samuel Boudet, Laurent Peyrodie, Nicolas Vandenbroucke, Julien Poupart, Patrick Hautecoeur, Vincent Chieux, Gérard Forzy   +7 more
doaj   +1 more source

Brain-wide resting-state fMRI network dynamics elicited by activation of single thalamic input

Nature Communications
Understanding how the brain rapidly processes neural information through large-scale network dynamics is fundamental to neuroscience. Resting-state fMRI (rsfMRI) captures networks by probing spontaneous neural activity fluctuations, yet whether these ...
Linshan Xie, Xunda Wang, Xuehong Lin, Junjian Wen, Teng Ma, Alex T. L. Leong, Ed X. Wu   +6 more
doaj   +1 more source

Neural activity temporal pattern dictates long-range propagation targets

NeuroImage, 2021
Brain possesses a complex spatiotemporal architecture for efficient information processing and computing. However, it remains unknown how neural signal propagates to its intended targets brain-wide.
Alex T.L. Leong, Xunda Wang, Eddie C. Wong, Celia M. Dong, Ed X. Wu   +4 more
doaj   +1 more source

Different Techniques and Algorithms for Biomedical Signal Processing [PDF]

, 2006
This paper is intended to give a broad overview of the complex area of biomedical and their use in signal processing. It contains sufficient theoretical materials to provide some understanding of the techniques involved for the researcher in the field ...
Salleh, Sh-Hussain
core  

Photoplethysmography-Based Heart Rate Monitoring in Physical Activities via Joint Sparse Spectrum Reconstruction

, 2015
Goal: A new method for heart rate monitoring using photoplethysmography (PPG) during physical activities is proposed. Methods: It jointly estimates spectra of PPG signals and simultaneous acceleration signals, utilizing the multiple measurement vector ...
Zhang, Zhilin
core   +1 more source

Implementation of digital signal processing algorithms in biomedical electronics devices on the Xilinx FPGA [PDF]

, 2019
В современных инженерных задачах процесс создания полностью цифровых биомедицинских диагностических устройств предполагает глубокие знания как в цифровой электронике, так и в цифровой обработке биомедицинских сигналов [1-3].
Сотник, А. А.
core   +1 more source