Research Interets

Current: computational signal and image processing, machnine learning for signal processing, adaptive signal processing, hyperspectral image processing, compressed sensing, sparse signal representations, dimensionality reduction and subspace learning, fast signal processing algorithms, numerical linear algebra in signal processing.
Past: signal processing for communications, channel estimation and equalization, MIMO and space-time processing, performance analysis of wireless communication systems, multicarrier transmission, cooperative communications, cognitive radio

Recent Research Projects

Medical Hyperspectral Image and Video Processing and Interpretation via Constrained Matrix and Tensor Factorization (HypPOCRATES), H2020 Marie Sklodowska-Curie Individual Fellowship 2018 (NOA – Johns Hopkins University), Oct. 2019 - Oct. 2022, (NOA supervisor of the Principal Investigator (PI) and Fellow Dr. P.V. Giampouras).
Sparse Signal Processing Technologies for Hyperspectral Imaging Systems (PHySIS), H2020 COMPET-6-2014 Project, Mar. 2015 - Feb. 2017, (PI for IAASARS).
Advancing Hyperspectral Image Processing for Planetary Mineral Exploration and Thematic Mapping: the Case of Planet Mars (HSI-MARS), EXCELLENCE (ΑΡΙΣΤΕΙΑ) Programme, Sept. 2012-July 2015, (PI).
Enhanced Multicarrier Techniques for Professional Ad-Hoc and Cell-Based Communications (EMPHATIC), EC Framework Programme 7 Collaborative Project, Sept 2012-Feb. 2014, (research coordinator).
Energy Efficient Design of Communication Networks (ENDECON), THALES Programme, March 2012-Sept. 2015, (PI for IAASARS).
Secure Wireless Non-Linear Communications at the Physical Layer (SWINCOM), THALES Programme, Feb. 2012-Sept. 2015, (member of the project's main research team).
Space-Data Routers for Exploiting Space Data (SDR), EC Framework Programme 7 Collaborative Project, Nov. 2010 - April 2014, (deputy PI for IAASARS).
Physical Layer for Dynamic Access and Cognitive Radio (PHYDYAS), EC Framework Programme 7 STREP Project, Jan. 2008 - June 2010, (research coordinator).
Cooperative and Opportunistic Communications in Wireless Networks (COOPCOM), EC Framework Programme 6 Future and Emerging Technologies (FET) project, Oct. 2006 - Oct. 2009, (research coordinator).
Turbo Equalization Techniques for Non-Linear Satellite Communication Channels, Greek-Italian bilateral research project, Jan. 2007 - March 2008, (PI).
Development and Performance Evaluation of Efficient Space-Time Processing Techniques for MIMO Wireless Communication Systems, ΠΕΝΕΔ Programme, Sept. 2005 - Dec. 2009, (work-package leader).