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Biomedical Signals Analysis Using A Modified S-transform | 26681
ISSN: 2155-9538

Journal of Bioengineering & Biomedical Science
Open Access

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Biomedical signals analysis using a modified S-transform

International Conference on Significant Advances in Biomedical Engineering

M A Al-Manie1 and W J Wang2

ScientificTracks Abstracts: J Bioengineer & Biomedical

DOI: 10.4172/2155-9538.S1.002

Abstract
The S-transform (ST) is a time-frequency analysis distribution approach with a number of desirable properties such as phase information referenced to the origin. Also, the ST offers high spectral resolution similar to the wavelet transform (WT) and other well known time-frequency representations. However this procedure has some disadvantages seen as poor energy concentration for some type of signals. In this paper, a modification to the standard ST is proposed for the purpose of improving the performance of the distribution. This is accomplished by adding new parameters to control the window?s width which can greatly improve the signal representation in the time-frequency plane. The desired features of the ST that include invert-ability and phase information are still preserved. The resulting estimator is used for biomedical signals analysis (ECG data).
Biography
Mohammed A. Al-Manie completed Doctorate of Philosophy in Electrical Engineering (Signal Processing) from the University of Pittsburgh, Pittsburgh, PA. U.S.A. in August 2001. Currently; working as a research associate professor in the National Center for Computer Technology and Applied Math at King Abdulaziz City for Science and Technology in Riyadh, Saudi Arabia. Carried out applied research in areas related to signal processing applications such as Arabic speech processing and sound detection. Refereed a number of applied research projects.
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