Editors: Juan M. Górriz, Elmar W. Lang , Javier Ramírez

Recent Advances in Biomedical Signal Processing

eBook: US $89 Special Offer (PDF + Printed Copy): US $169
Printed Copy: US $125
Library License: US $356
ISBN: 978-1-60805-570-8 (Print)
ISBN: 978-1-60805-218-9 (Online)
Year of Publication: 2011
DOI: 10.2174/97816080521891110101


Biomedical signal processing is a rapidly expanding field with a wide range of applications, from the construction of artificial limbs and aids for disabilities to the development of sophisticated medical imaging systems. Acquisition and processing of biomedical signals has become more important to the physician. The main reasons for this development are the growing complexity of the biomedical examinations, the increasing necessity of comprehensive documentation and the need for automation in order to reduce costs. Analysis of signals accomplished by humans has many limitations, therefore, computer analysis of these signals could provide objective strength to diagnoses; however, the development of an algorithm for biomedical signal analysis is a significant challenge. This ebook will cover biomedical signal processing as used in both therapeutic and diagnostic instrumentation. A number of current research projects are also outlined with emphasis on intelligent medical image diagnosis. This book should be a valuable reference for researchers, professionals and technical experts working in the fields of Biomedical Signal processing (BSP) including applications, filtering and registration techniques, reconstruction and normalization algorithms, technical experts requiring an understanding of processing and analyzing biomedical signals, as well as postgraduate students working on image processing and novel signal processing paradigms applied to BSP.


Our colleagues working in the communications area have luxuries that biomedical engineers cannot afford. In fact, communication engineers build their own systems and signals from scratch and obviously create them based on well known statistical signal processing theories and benefitting from the simplifying assumptions of Gaussianity, linearity and stationarity. However, the signals created by biological organisms defeat these assumptions and one is left with the challenging task to quantify and extract information from amazingly complex signal structures. For many years, biomedical signal processing fell in love with the simple FFT and the linear model, but it is clear that it is leaving now this “local minimum” in search of many more interesting, and more realistic approaches.

This book clearly demonstrates the point exceedingly well. It is a great example that biomedical signal processing continues to be an expanding field, full of challenges but also of innovations and the excitement of “climbing the Everest” that is unparalleled in other areas. The book is composed of 15 chapters that cover a large spectrum of topics but are centered on the problems of decomposing biological signals and images into elements that carry biological meaning for clinical diagnostic.

The paper by Tome et al is a great introduction because it addresses the principles of subspace decompositions for univariate signals. The paper by Blochl et al addresses the issue of interpretation, based on prior knowledge, microarray structures under the very difficult case of large dimension and small number of noisy samples. The paper by Zeiler et al explores the Hilbert Huang transform to discriminate between modes of nonlinear coupled systems. The paper by Segovia et al extends the statistical parametric mapping with a Gaussian mixture model to attack the difficult issue of multivariate modeling in SPECT for Alzheimer’s disease diagnostic. Chavez et al exploits an ordered subset expectation maximization algorithm to improve resolution of SPECT without the processing penalty normally encountered in more conventional techniques. Alvarez-Illan validates feature extraction and classification algorithms to automatically process functional brain images for more reliable diagnostics. Savio et al is also interested in automated diagnostic in MRIs and validates the combination of a voxel based morphometry preprocessor with support vector machines. De Vos et al present a principled view of multivariate decompositions for neuroscience and compare the state of the art techniques in EEG analysis in epilepsy. Lang et al expands on this topic with exploratory matrix factorization for multivariate biological data using novel tensor decomposition methods that are very efficient and promising for microarray data. Keck et al uses ICA for denoising biomedical data and presents very interesting cases of success for this difficult and unsolved problem. Huang et al addresses the very difficult problem of single event related potential detection for brain computer interfaces using generative models of the data to construct a Fisher kernel for support vector machines classification. Fung applies the same basic line of reasoning but now applied to left ventricular wall motion collected with ultrasound to create a Fisher kernel and measure in the corresponding reproducing kernel Hilbert space the distance between normal and coronary heart disease. Phlypo et al use spatial diversity to quantify atrial fibrillation and explains in detail the different methods of implementing spatial filters for diagnostic of this common condition. Marti et al explains the difficulties and the remedies of designing robust ultra sound image segmentation methodologies for freehand data collection, tumor detection and multimodality registration. Ciompi et al explains how atherosclerosis can be reconstructed and analyzed with intravascular ultrasound providing an automated way of diagnostic for this common condition.

I hope you enjoy the reading as much as I have.

Jose Principe, Ph.D.
Gainesville, March 2010


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