Download Advanced Biosignal Processing by Amine Nait-Ali PDF

By Amine Nait-Ali

ISBN-10: 3540895051

ISBN-13: 9783540895053

Through 17 chapters, this ebook offers the main of many complex biosignal processing concepts. After a major bankruptcy introducing the most biosignal homes in addition to the newest acquisition thoughts, it highlights 5 particular elements which construct the physique of this e-book. each one half issues the most intensively used biosignals within the medical regimen, specifically the Electrocardiogram (ECG), the Elektroenzephalogram (EEG), the Electromyogram (EMG) and the Evoked strength (EP). additionally, every one half gathers a undeniable variety of chapters relating to research, detection, class, resource separation and have extraction. those facets are explored through quite a few complex sign processing methods, specifically wavelets, Empirical Modal Decomposition, Neural networks, Markov types, Metaheuristics in addition to hybrid methods together with wavelet networks, and neuro-fuzzy networks.

The final half, matters the Multimodal Biosignal processing, during which we current assorted chapters on the topic of the biomedical compression and the information fusion.

Instead establishing the chapters by way of ways, the current publication has been voluntarily dependent based on sign different types (ECG, EEG, EMG, EP). This is helping the reader, drawn to a selected box, to assimilate simply the recommendations devoted to a given category of biosignals. moreover, such a lot of signs used for representation objective during this booklet will be downloaded from the scientific Database for the evaluate of photo and sign Processing set of rules. those fabrics help significantly the person in comparing the performances in their built algorithms.

This publication is fitted to ultimate 12 months graduate scholars, engineers and researchers in biomedical engineering and working towards engineers in biomedical technology and clinical physics.

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Extra resources for Advanced Biosignal Processing

Example text

Accordingly, three types of constraints are distinguished by Hesse and James [33, 34]: the estimated source direction is enforced to be equal to the spatial reference when hard constraints are employed; soft constraints allow for some discrepancy 42 V. Zarzoso bounded by a closeness threshold; in weak constraints, the ICA extractor is simply initialized with the constraint, but otherwise left to run freely, much like in the Wiener-based initialization of Barros et al. [3] (see Sect. 2). The sources associated with the constrained transfer vectors are called spatial components, and are assumed to be independent of the other sources – the independent components – but not necessarily independent among themselves.

5). HOS-based ICA (Sect. 1) is first applied on the full ECG recording of an AF episode in order to estimate the strongly non-Gaussian VA components. The other sources estimated by ICA usually contain mixtures of near-Gaussian AA and noise, with low kurtosis values. The SOBI technique [5] (see also Sect. 5) is then used to extract the AA from the remaining mixtures by exploiting its time structure. The AA estimation results obtained by this hybrid method on the recording of Fig. 2 are summarized in the 5th plot of Figs.

2, respectively. ). The performance of BSS techniques can be improved by suitable modifications capitalizing on the prior knowledge of the problem under examination. The chapter concludes with some of these recent lines of research aiming to improve the performance of BSS in specific biomedical applications. The first part of the chapter (Sects. 6) is mainly addressed to readers who have little or no familiarity with the topic of source separation, but could also be useful to more experienced practitioners as a brief reference and an introduction to ECG applications of BSS.

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