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Dileep Aroor Dinesh - - 2014
Dynamic kernel (DK)-based support vector machines are used for the classification of varying length patterns. This paper explores the use of intermediate matching kernel (IMK) as a DK for classification of varying length patterns of long duration speech represented as sets of feature vectors. The main issue in construction of ...
Al-Fahoum Amjed A Biomedical Systems and Informatics Engineering Department, Hijjawi Faculty for Engineering Technology , Irbid 21163 , Jordan - - 2014
Abstract This paper highlights a new detection method based on higher spectral analysis techniques to distinguish the Electrocardiogram (ECG) of normal healthy subjects from that with a cardiac ischaemia (CI) patient. Higher spectral analysis techniques provide in-depth information other than available conventional spectral analysis techniques usually used with ECG analysis. ...
Dirzo Rodolfo R Department of Biology, Stanford University, Stanford, CA 94305, USA. - - 2014
We live amid a global wave of anthropogenically driven biodiversity loss: species and population extirpations and, critically, declines in local species abundance. Particularly, human impacts on animal biodiversity are an under-recognized form of global environmental change. Among terrestrial vertebrates, 322 species have become extinct since 1500, and populations of the ...
Sumathi S S Mahendra Engineering College, Salem, Tamil Nadu, India, - - 2014
This paper approaches an intellectual diagnosis system using hybrid approach of Adaptive Neuro-Fuzzy Inference System (ANFIS) model for classification of Electrocardiogram (ECG) signals. This method is based on using Symlet Wavelet Transform for analyzing the ECG signals and extracting the parameters related to dangerous cardiac arrhythmias. In these particular parameters ...
Park Juyoung J Department of Computer Science and Engineering, Hanyang University , Ansan, Republic of - - 2014
Abstract Background: The automatic interpretation of electrocardiography (ECG) data can provide continuous analysis of heart activity, allowing the effective use of wireless devices such as the Holter monitor. Materials and Methods: We propose an intelligent heartbeat monitoring system to detect the possibility of arrhythmia in real time. We detected heartbeats ...
Potyagaylo Danila D Institute of Biomedical Engineering, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany, - - 2014
The goal of ECG-imaging (ECGI) is to reconstruct heart electrical activity from body surface potential maps. The problem is ill-posed, which means that it is extremely sensitive to measurement and modeling errors. The most commonly used method to tackle this obstacle is Tikhonov regularization, which consists in converting the original ...
Wang Jin J School of Computer Science & Software Engineering, The University of Western Australia, Australia; Center for Intelligent Systems Research, Deakin University, Australia. Electronic address: - - 2014
Biomedical time series clustering that automatically groups a collection of time series according to their internal similarity is of importance for medical record management and inspection such as bio-signals archiving and retrieval. In this paper, a novel framework that automatically groups a set of unlabelled multichannel biomedical time series according ...
Luo Qingfei Q Department of Radiology, Stanford University, Stanford, CA 94305, USA. Electronic address: - - 2014
In simultaneous EEG-fMRI, the EEG recordings are severely contaminated by ballistocardiogram (BCG) artifacts, which are caused by cardiac pulsations. To reconstruct and remove the BCG artifacts, one promising method is to measure the artifacts in the absence of EEG signal by placing a group of electrodes (BCG electrodes) on a ...
Yin X-X XX Center for Applied Informatics and College of Enginering and Science, Victoria University, Footscray, VIC3011, Australia. Electronic address: - - 2014
This paper presents a novel approach to the automatic classification of very large data sets composed of terahertz pulse transient signals, highlighting their potential use in biochemical, biomedical, pharmaceutical and security applications. Two different types of THz spectra are considered in the classification process. Firstly a binary classification study of ...
Romild Ulla U Public Health Agency of Sweden, Östersund, - - 2014
Swelogs (Swedish Longitudinal Gambling Study) epidemiological (EP-) track is a prospective study with four waves of data-collection among Swedish citizens aged 16-84 years at baseline. The major objectives of this track are to provide general population estimates of the prevalence and incidence of problem and at-risk gambling and enable comparisons ...
Azil Aishah H AH Department of Parasitology and Medical Entomology, Faculty of Medicine, Pusat Perubatan UKM, Universiti Kebangsaan Malaysia; Sansom Institute for Health Research, University of South - - 2014
We investigated spatial autocorrelation of female Aedes aegypti L. mosquito abundance from BG-Sentinel trap and sticky ovitrap collections in Cairns, north Queensland, Australia. BG-Sentinel trap collections in 2010 show a significant spatial autocorrelation across the study site and over a smaller spatial extent, while sticky ovitrap collections only indicate a ...
Zhang Fan F Institute of Biomedical and Health Engineering and the Key Lab of Human-Machine-Intelligence Synergic System, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong, - - 2014
Bioelectric signals such as electromyogram (EMG) and electrocardiogram (ECG) are often affected by various low-frequency trending interferences. It is critical to remove these interferences from the recordings so that the critical features of the bioelectric signals could be clearly observed. In this study, an advanced method based on smoothness prior ...
Craven Darren - - 2014
This paper provides a comprehensive review of Compressed Sensing or Compressive Sampling (CS) in bioelectric signal compression applications. The aim is to provide a detailed analysis of the current trends in CS, focusing on the advantages and disadvantages in compressing different biosignals and its suitability for deployment in embedded hardware. ...
Kang Hyohyeong H Department of Computer Science and Engineering, Pohang University of Science and Technology, 77 Cheongam-ro, Nam-gu, Pohang 790-784, Republic of Korea. Electronic address: - - 2014
Multi-subject electroencephalography (EEG) classification involves algorithm development for automatically categorizing brain waves measured from multiple subjects who undergo the same mental task. Common spatial patterns (CSP) or its probabilistic counterpart, PCSP, is a popular discriminative feature extraction method for EEG classification. Models in CSP or PCSP are trained on a ...
Ulbrich Mark M RWTH Aachen University, Philips Chair for Medical Information Technology, Pauwelsstrasse 20, D-52074 Aachen, - - 2014
Measurement of hemodynamic parameters such as stroke volume (SV) via impedance cardiography (ICG) is an easy, non-invasive and inexpensive way to assess the health status of the heart. We present a possibility to use this technology for monitoring risk patients at home. The IMPACT Shirt (IMPedAnce Cardiography Textile) has been ...
Chen Shuo-Tsung ST Department of Applied Mathematics, Tunghai University, Taichung, 40704, Taiwan, - - 2014
Watermarking is the most widely used technology in the field of copyright and biological information protection. In this paper, we use quantization based digital watermark encryption technology on the Electrocardiogram (ECG) to protect patient rights and information. Three transform domains, DWT, DCT, and DFT are adopted to implement the quantization ...
Polania Luisa - - 2014
Recent results in telecardiology show that compressed sensing (CS) is a promising tool to lower energy consumption in wireless body area networks for electrocardiogram (ECG) monitoring. However, the performance of current CS-based algorithms, in terms of compression rate and reconstruction quality of the ECG, still falls short of the performance ...
Pedreira C C Centre for Systems Neuroscience, The University of Leicester, - - 2014
Scalp EEG recordings and the classification of interictal epileptiform discharges (IED) in patients with epilepsy provide valuable information about the epileptogenic network, particularly by defining the boundaries of the "irritative zone" (IZ), and hence are helpful during pre-surgical evaluation of patients with severe refractory epilepsies. The current detection and classification ...
Hawkley Louise C LC Correspondence should be addressed to Louise C. Hawkley, Academic Research Centers, NORC at the University of Chicago, 1155 E 60th Street, Chicago, IL 60637. E-mail: - - 2014
Objectives.This report seeks to inform National Social Life, Health, and Aging Project (NSHAP) data users of the prevalence and predictors of missing data in the in-person interview (CAPI) and leave-behind questionnaire (LBQ) in Wave 2 of NSHAP, and methods to handle missingness.Method.Missingness is quantified at the unit and item levels ...
Chaibi Sahbi S Sfax University, National Engineering School of Sfax, LETI Laboratory, ENIS BPW 3038- Sfax, Tunisia. Electronic address: - - 2014
Recent studies have reported that discrete High Frequency Oscillations (HFOs) in the range of 80-500Hz may serve as promising biomarkers of the seizure focus in humans. Visual scoring of HFOs is tiring, time consuming, highly subjective and requires a great deal of mental concentration. Due to the recent explosion of ...
Garcia Raquel A RA Department of Biogeography and Global Change, National Museum of Natural Sciences, Consejo Superior de Investigaciones Científicas, Calle José Gutierrez Abascal 2, 28006 Madrid, - - 2014
The 21st century is projected to witness unprecedented climatic changes, with greater warming often reported for high latitudes. Yet, climate change can be measured in a variety of ways, reflecting distinct dimensions of change with unequal spatial patterns across the world. Polar climates are projected to not only warm, but ...
Tinnakornsrisuphap Thidarat - - 2014
Electrocardiogram (ECG) data are stored and analyzed in different formats, devices, and computer platforms. As a result, ECG data from different monitoring devices cannot be displayed unless the user has access to the proprietary software of each particular device. This research describes an ontology and encoding for representation of ECG ...
Hung King-Chu KC Department of Computer and Communication Engineering, National Kaohsiung First University of Science and Technology, - - 2014
Reconstruction quality maintenance is of the essence for ECG data compression due to the desire for diagnosis use. Quantization schemes with non-linear distortion characteristics usually result in time-consuming quality control that blocks real-time application. In this paper, a new wavelet coefficient quantization scheme based on an evolution program (EP) is ...
Zettinig Oliver O Siemens Corporate Technology, Imaging and Computer Vision, Princeton, NJ, USA; Computer Aided Medical Procedures, Technische Universität München, - - 2014
Diagnosis and treatment of dilated cardiomyopathy (DCM) is challenging due to a large variety of causes and disease stages. Computational models of cardiac electrophysiology (EP) can be used to improve the assessment and prognosis of DCM, plan therapies and predict their outcome, but require personalization. In this work, we present ...
Kubendran Rajkumar - - 2014
Implantable and ambulatory measurement of physiological signals such as Bio-impedance using miniature biomedical devices needs careful tradeoff between limited power budget, measurement accuracy and complexity of implementation. This paper addresses this tradeoff through an extensive analysis of different stimulation and demodulation techniques for accurate Bio-impedance measurement. Three cases are considered ...
Oster Julien J a Department of Engineering Science , Institute of Biomedical Engineering, University of Oxford , Oxford , - - 2014
The electrocardiogram (ECG) is often acquired during magnetic resonance imaging (MRI), but its analysis is restricted by the presence of a strong artefact, called magnetohydrodynamic (MHD) effect. MHD effect is induced by the flow of electrically charged particles in the blood perpendicular to the static magnetic field, which creates a ...
Aydemir Onder O Karadeniz Technical University Faculty of Engineering Department of Electrical and Electronics Engineering 61080 Trabzon/TURKEY. Electronic address: - - 2014
Input signals of an EEG based brain computer interface (BCI) system are naturally non-stationary, have poor signal to noise ratio, depend on physical or mental tasks and are contaminated with various artifacts such as external electromagnetic waves, electromyogram and electrooculogram. All these disadvantages have motivated researchers to substantially improve speed ...
Dornelas Maria M Centre for Biological Diversity and Scottish Oceans Institute, School of Biology, University of St. Andrews, St. Andrews, Fife KY16 9TH, - - 2014
The extent to which biodiversity change in local assemblages contributes to global biodiversity loss is poorly understood. We analyzed 100 time series from biomes across Earth to ask how diversity within assemblages is changing through time. We quantified patterns of temporal α diversity, measured as change in local diversity, and ...
Atallah L L Patient Care Solutions Group, Philips Research, High Tech Campus, Eindhoven, The - - 2014
The thin skin of preterm babies is easily damaged by adhesive electrodes, tapes, chest drains and needle-marks. The scars caused could be disfiguring or disabling to 10% of preterm newborns. Capacitive sensors present an attractive option for pervasively monitoring neonatal ECG, and can be embedded in a support system or ...
Zhang Yu Y Key Laboratory for Advanced Control and Optimization for Chemical Processes, Ministry of Education, East China University of Science and Technology, Shanghai 200237, China. Electronic address: - - 2014
Canonical correlation analysis (CCA) has been successfully applied to steady-state visual evoked potential (SSVEP) recognition for brain-computer interface (BCI) application. Although the CCA method outperforms the traditional power spectral density analysis through multi-channel detection, it requires additionally pre-constructed reference signals of sine-cosine waves. It is likely to encounter overfitting in ...
Squara Fabien F Department of Cardiology, Pasteur University Hospital, Nice, France. Electronic address: - - 2014
Pacemaker (PM) interrogation requires correct manufacturer identification. However, unidentified PM is frequent, engaging in time-consuming steps to identify the device. This study sought to develop and validate a novel algorithm for PM manufacturer identification, utilizing the ECG response to the magnet application. Data of the magnet responses of all recent ...
Goya-Esteban R - - 2014
Although a number of methods have been proposed for T-Wave Alternans (TWA) detection and estimation, their performance strongly depends on their signal processing stages and on their free parameters tuning. The dependence of the system quality with respect to the main signal processing stages in TWA algorithms has not yet ...
Gokgoz Ercan E Faculty of Engineering and Information Technologies, International Burch University, Francuske Revolucije bb. Ilidza, Sarajevo, 71000, Bosnia and Herzegovina, - - 2014
Different approaches have been applied for quantitative analysis of EMG signals. This study introduces the effect of Multiscale Principal Component Analysis (MSPCA) denoising method in ElectroMyoGram (EMG) signal classification. The effect of the MSPCA denoising method discussed on EMG signal classification. In addition, effect of Multiple Single Classification (MUSIC) feature ...
Elmansouri Khalifa K Signals System and Computer Sciences Group (ESSI), National School of Applied Sciences, Ibn Zohr University, Agadir, Morocco, - - 2014
Today bio-manufacturers propose various electrocardiogram (ECG) instruments that have addressed a wide variety of clinical issues. However, the discovery of new applications in ECG devices that provide doctors with the right information at the right time and in the right way will help them to provide a highest quality care ...
Pearman Peter B PB Landscape Dynamics Unit, Swiss Federal Research Institute WSL, Zürcherstrasse 111, CH-8903 Birmensdorf, - - 2014
The origins of ecological diversity in continental species assemblages have long intrigued biogeographers. We apply phylogenetic comparative analyses to disentangle the evolutionary patterns of ecological niches in an assemblage of European birds. We compare phylogenetic patterns in trophic, habitat and climatic niche components. Europe. From polygon range maps and handbook ...
Pant Jeevan K - - 2014
A new algorithm for the reconstruction of electrocardiogram (ECG) signals and a dictionary learning algorithm for the enhancement of its reconstruction performance for a class of signals are proposed. The signal reconstruction algorithm is based on minimizing the lp pseudo-norm of the second-order difference, called as the lp(2d) pseudo-norm, of ...
Anselm Daniel D DD Daniel D Anselm, Jennifer M Evans, Adrian Baranchuk, Division of Cardiology, Electrophysiology and Pacing, Queen's University, Kingston General Hospital, Kingston, Ontario K7L 2V7, - - 2014
Brugada phenocopies (BrP) are clinical entities that are etiologically distinct from true congenital Brugada syndrome. BrP are characterized by type 1 or type 2 Brugada electrocardiogram (ECG) patterns in precordial leads V1-V3. However, BrP are elicited by various underlying clinical conditions such as myocardial ischemia, pulmonary embolism, electrolyte abnormalities, or ...
Becker H H Univ. Nice Sophia Antipolis, CNRS, I3S, UMR 7271, F-06900 Sophia Antipolis, France; GIPSA-Lab, CNRS UMR5216, Grenoble Campus BP.46, F-38402 St Martin d'Heres - - 2014
The localization of brain sources based on EEG measurements is a topic that has attracted a lot of attention in the last decades and many different source localization algorithms have been proposed. However, their performance is limited in the case of several simultaneously active brain regions and low signal-to-noise ratios. ...
Uter Wolfgang W Department of Medical Informatics, Biometry and Epidemiology, University of Erlangen/Nürnberg, D-91054, Erlangen, - - 2014
Cosmetics for bleaching, waving/relaxing and dyeing hair contain well-known allergens, leading to a substantial number of cases of allergic contact dermatitis. To compare the frequency of important contact allergens (i) between two distinct groups of exposed patients, and (ii) with previous surveillance data. On the basis of data collected by ...
Reşit Kavsaoğlu A A Department of Electrical and Electronics Engineering, Faculty of Engineering, Sakarya University, M6 Building, 54187 Sakarya, - - 2014
This study is intended for describing the application of the Photoplethysmography (PPG) signal and the time domain features acquired from its first and second derivatives for biometric identification. For this purpose, a sum of 40 features has been extracted and a feature-ranking algorithm is proposed. This proposed algorithm calculates the ...
Beekhuizen J J Institute for Risk Assessment Sciences (IRAS), Division Environmental Epidemiology, Utrecht University, Yalelaan 2, 3584 CM, Utrecht, The - - 2014
Radio frequency electromagnetic fields (RF-EMF) from mobile phone base stations can be reliably modelled for outdoor locations, using 3D radio wave propagation models that consider antenna characteristics and building geometry. For exposure assessment in epidemiological studies, however, it is especially important to determine indoor exposure levels as people spend most ...
Behar Joachim J Intelligent Patient Monitoring Group, Institute of Biomedical Engineering, Department of Engineering Science, University of Oxford, Oxford, UK, - - 2014
The abdominal electrocardiogram (ECG) provides a non-invasive method for monitoring the fetal cardiac activity in pregnant women. However, the temporal and frequency overlap between the fetal ECG (FECG), the maternal ECG (MECG) and noise results in a challenging source separation problem. This work seeks to compare temporal extraction methods for ...
Sarossy Marc G MG Centre for Eye Research Australia, Melbourne, Australia, - - 2014
Recording of the dark trough/light peak of the electrooculogram (EOG) remains a useful electrodiagnostic tool. Manual analysis of the recording is tedious and lengthy, and automated analysis needs to deal with artefacts due to suboptimal patient cooperation. We present a novel method of automating the processing and analysis of raw ...
Ghaffari Ali A CardioVascular Research Group (CVRG), Department of Mechanical Engineering , Tehran , Iran , - - 2014
Abstract Epileptic disease can be diagnosed by using intelligent methods on the Electroencephalograph (EEG) signals. In this paper, wavelet packet transform (WPT) was used in each of the frequency bands and wavelet coefficients were obtained, then the energy and entropy function was done on the wavelet coefficients and used as ...
Ng K K CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Associado, Pólo dos Açores - Departamento de Biologia da Universidade dos Açores, 9501-801 Ponta Delgada, Açores, Portugal. Electronic address: - - 2014
Traditional hard engineering structures and recently emerging soft engineering alternatives have been employed to protect vulnerable coastlines. Despite negative publicity, they have ensured community survival where socio-economic benefits outweigh adverse impacts. This is especially true for Small Islands (SI) where increasing sea levels and storm intensities threaten already limited land ...
Tsouri Gill R - - 2014
We propose and evaluate a method of 12-lead electrocardiogram (ECG) reconstruction from a three-lead set. The method makes use of independent component analysis and results in adaptive patient-specific transforms. The required calibration process is short and makes use of a single beat. We apply the method to two sets of ...
Zhao Hongdan - - 2014
This article examines the psychological mechanism underlying the relationship between compulsory citizenship behavior (CCB) and organizational citizenship behavior (OCB) by developing a moderated mediation model. The model focuses on the mediating role of organizational identification and the moderating role of interactional justice in influencing the mediation. Using a time-lagged research ...
Berge H M HM Oslo Sports Trauma Research Center, The Norwegian School of Sport Sciences, Oslo, - - 2014
ECG is recommended for preparticipation health examination in athletes. Owing to a lack of consensus on how to read and interpret athletes' ECGs, different criteria for abnormality are used. To compare the prevalence of abnormal ECGs and test the correlation between visual and computer-based measurements. In a preparticipation cardiac screening ...
Johannes Vermeulen Peter P Department of Biological Sciences, Macquarie University, Sydney, NSW, 2109, Australia; Centre for Crop Systems Analysis, Wageningen University, PO Box 430, 6700, AK Wageningen, the - - 2014
There is a general notion in the literature that, with increasing latitude, trees have deeper crowns as a result of a lower solar elevation angle. However, these predictions are based on models that did not include the effects of competition for light between individuals. Here, I argue that there should ...
Easterbrook Matthew J MJ School of Psychology, Cardiff University, Wales, UK; School of Psychology, University of Sussex, Falmer, - - 2014
Despite its omnipresence, the influence of the built environment on human psychology is not well understood. In a five-wave longitudinal study, we investigated whether physical design features within shared student accommodation predicted the frequency of coincidental meetings between new flatmates, and whether these meetings predicted the strength of their interpersonal ...
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