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Alin Achim

University of Bristol, Department of Electrical & Electronic Engineering, Bristol, England

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Born: 1972

Interests: statistical signal processing, wavelets, medical imaging, SAR, image fusion

Alin was born in Comarnic, Romania, in 1972. He received the B.Sc. and M.Sc. degrees, both in electrical engineering, from "Politehnica" University of Bucharest, Romania, in 1995 and 1996, respectively and the Ph.D. in biomedical engineering from the University of Patras, Greece, in 2003. He then obtained an ERCIM (European Research Consortium for Informatics and Mathematics) postdoctoral fellowship which he spent with the Institute of Information Science and Technologies (ISTI-CNR), Pisa, Italy and with the French National Institute for Research in Computer Science and Control (INRIA), Sophia Antipolis, France. In October 2004 he joined the Department of Electrical & Electronic Engineering at the University of Bristol as a Lecturer. His current research interests span the areas of statistical signal processing with emphasis in estimation and detection theory, multiresolution algorithms, wavelet analysis of radar and medical images, image filtering and enhancement, and segmentation and classification algorithms. He is author or co-author of 18 journal papers and many conference publications.

Selected publications:
• A. Achim, E. E. Kuruoglu, and J. Zerubia. SAR image filtering based on the heavy-tailed Rayleigh model. IEEE Transactions on Image Processing, 15 (9), pp. 2686-2693, 2006.
• A. Achim and E. E. Kuruoglu. Image Denoising Using Bivariate alpha-Stable Distributions in the Complex Wavelet Domain. IEEE Signal Processing Letters, 12, pp. 17-20, 2005.
• Achim A, Tsakalides P, Bezerianos A. SAR image denoising via Bayesian wavelet shrinkage based on heavy-tailed modeling. IEEE Transactions on Geoscience and Remote Sensing, 41, pp. 1773-1784, 2003.
• Negoescu R, Istratescu O., Dinca-Panaitescu M., Dinca-Panaitescu S., Achim A. . QT & RR variability spots the earliest autonomic deregulation in diabetes. Integrative Physiological and Behavioral Science, 37, pp. 151-162, 2002.
• Achim A., Bezerianos A., Tsakalides P. . Novel Bayesian multiscale method for speckle removal in medical ultrasound images. IEEE Transactions on Medical Imaging, 20, pp. 772-783, 2001.
• Dinca-Panaitescu S, Dinca-Panaitescu M, Achim A, Negoescu R. Idioventricular low frequency oscillation in QT interval responds univocally to RR confusing kind of mental stress. Integrative Physiological and Behavioral Science, 34(1), pp. 10-18, 1999.

Theses and dissertations:
• Alin Achim. Novel Bayesian Multiscale Methods for Image Denoising using Alpha-Stable Distributions. 2003.
• Achim A. . State recognition of RR spectra derived from high resolution Holter ECG using neural networks. Definition of subject-adapted parameter matrix. 1996.


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