Signal Processing for Applications in Healthcare Systems

Coorbit Theory, Multi- -Modulation Frames, and the Concept of Joint Sparsity for Medical Multichannel Data Analysis

This paper is concerned with the analysis and decomposition of medical multichannel data. We present a signal processing technique that reliably detects and separates signal components such as mMCG, fMCG, or M...

Authors: Stephan Dahlke, Gerd Teschke and Krunoslav Stingl

EEG-Based Subject- and Session-independent Drowsiness Detection: An Unsupervised Approach

Monitoring and prediction of changes in the human cognitive states, such as alertness and drowsiness, using physiological signals are very important for driver's safety. Typically, physiological studies on rea...

Authors: Nikhil R. Pal, Chien-Yao Chuang, Li-Wei Ko, Chih-Feng Chao, Tzyy-Ping Jung, Sheng-Fu Liang and Chin-Teng Lin

Design of a Versatile and Low Cost μVolt Level A to D Conversion System for Use in Medical Instrumentation Applications

Modern medical facilities place considerable reliance on electronic instrumentation for purposes of calibration and monitoring of therapeutic processes, many of which employ electrical and electronic apparatus...

Authors: Kerry Williams and Neil Robinson

Signal Processing for Applications in Healthcare Systems

Authors: Pau-Choo Chung, Chein-I Chang, Qi Tian and Chien-Cheng Lee

Computational Issues Associated with Automatic Calculation of Acute Myocardial Infarction Scores

This paper presents a comparison among the three principal acute myocardial infarction (AMI) scores (Selvester, Aldrich, Anderson-Wilkins) as they are automatically estimated from digital electrocardiographic ...

Authors: J. B. Destro-Filho, S. J. S. Machado and G. T. Fonseca

Using Intracardiac Vectorcardiographic Loop for Surface ECG Synthesis

Current cardiac implantable devices offer improved processing power and recording capabilities. Some of these devices already provide basic telemonitoring features that may help to reduce health care expenditu...

Authors: A. Kachenoura, F. Porée, A. I. Hernández and G. Carrault

A Minimax Mutual Information Scheme for Supervised Feature Extraction and Its Application to EEG-Based Brain-Computer Interfacing

This paper presents a novel approach for efficient feature extraction using mutual information (MI). In terms of mutual information, the optimal feature extraction is creating a feature set from the data which...

Authors: Farid Oveisi and Abbas Erfanian

Microarchitecture of a MultiCore SoC for Data Analysis of a Lab-on-Chip Microarray

This paper presents a reconfigurable architecture of a lab-on-chip (LoC) microarray device capable to process data either in genotyping or in gene expression applications in a fraction of the time that is requ...

Authors: G. Kornaros and S. Blionas

Object Delineation by -Connected Components

The notion of "strength of connectedness" between pixels has been successfully used in image segmentation. We present extensions to these works, which can considerably improve the efficiency of object delineat...

Authors: Paulo M. V. Miranda, Alexandre X. Falcão, Anderson Rocha and Felipe P. G. Bergo

Detect Key Gene Information in Classification of Microarray Data

We detect key information of high-dimensional microarray profiles based on wavelet analysis and genetic algorithm. Firstly, wavelet transform is employed to extract approximation coefficients at 2nd level, whi...

Authors: Yihui Liu

A Two-Microphone Noise Reduction System for Cochlear Implant Users with Nearby Microphones—Part I: Signal Processing Algorithm Design and Development

Users of cochlear implant systems, that is, of auditory aids which stimulate the auditory nerve at the cochlea electrically, often complain about poor speech understanding in noisy environments. Despite the pr...

Authors: Martin Kompis, Matthias Bertram, Jacques François and Marco Pelizzone

Application of Artificial Immune System Approach in MRI Classification

Numerous scholars have submitted the theory and research of artificial immune systems (AISs) in recent years. Although AIS has been used in various fields, applying the AIS to medical images is very rare. The ...

Authors: Chuin-Mu Wang, Chio-Tan Kuo, Chi-Yuan Lin and Gia-Hao Chang

Embedded System for Real-Time Digital Processing of Medical Ultrasound Doppler Signals

Ultrasound (US) Doppler systems are routinely used for the diagnosis of cardiovascular diseases. Depending on the application, either single tone bursts or more complex waveforms are periodically transmitted t...

Authors: S. Ricci, A. Dallai, E. Boni, L. Bassi, F. Guidi, A. Cellai and P. Tortoli

A Two-Microphone Noise Reduction System for Cochlear Implant Users with Nearby Microphones—Part II: Performance Evaluation

Users of cochlear implants (auditory aids, which stimulate the auditory nerve electrically at the inner ear) often suffer from poor speech understanding in noise. We evaluate a small (intermicrophone distance ...

Authors: Martin Kompis, Matthias Bertram, Pascal Senn, Joachim Müller, Marco Pelizzone and Rudolf Häusler

Nonparametric Single-Trial EEG Feature Extraction and Classification of Driver's Cognitive Responses

We proposed an electroencephalographic (EEG) signal analysis approach to investigate the driver's cognitive response to traffic-light experiments in a virtual-reality-(VR-) based simulated driving environment....

Authors: Chin-Teng Lin, Ken-Li Lin, Li-Wei Ko, Sheng-Fu Liang, Bor-Chen Kuo and I-Fang Chung

Hardware Implementation of a Spline-Based Genetic Algorithm for Embedded Stereo Vision Sensor Providing Real-Time Visual Guidance to the Visually Impaired

Many image and signal processing techniques have been applied to medical and health care applications in recent years. In this paper, we present a robust signal processing approach that can be used to solve th...

Authors: Dah-Jye Lee, Jonathan D. Anderson and James K. Archibald

Independent Component Analysis for Magnetic Resonance Image Analysis

Independent component analysis (ICA) has recently received considerable interest in applications of magnetic resonance (MR) image analysis. However, unlike its applications to functional magnetic resonance ima...

Authors: Yen-Chieh Ouyang, Hsian-Min Chen, Jyh-Wen Chai, Cheng-Chieh Chen, Clayton Chi-Chang Chen, Sek-Kwong Poon, Ching-Wen Yang and San-Kan Lee