His current research interests are in nonlinear and adaptive signal processing and application of signal processing techniques in audio and communication systems, biomedical engineering, and structural health management. He has also contributed in the areas of perceptually-tuned image compression and spectrum estimation techniques. He is the author of the book Polynomial Signal Processing, published by Wiley, and co-authored with Professor G. L. Sicuranza, University of Trieste, Italy. He has published more than 125 technical papers.
Dr. Mathews is a fellow of IEEE
and has served as a member of the Signal Processing Theory and Methods
Technical Committee , the Education
Committee and the Conference
Board of the IEEE Signal
Processing Society . He was the Vice President (Finance) of the
IEEE
Signal Processing Society during 2003-2005. He is a past associate
editor of the IEEE Transactions on Signal Processing , and the
IEEE Signal Processing Letter and the IEEE Signal Processing Magazine. He
currently serves on the editorial board of the IEEE Journal of Selected Topics in
Signal
Processing. He has served on the
organization committees of several international technical conferences
including as General Chairman of IEEE
International Conference on Acoustics, Speech and Signal Processing
(ICASSP) 2001.