Journal publications

• G. Hatzivasilis, C. Tzagkarakis, S. Ioannidis, K. Fysarakis, G. Demetriou and M. Panayiotou, "Blockchain as an Enabler for Green Computing and Circular Economy", under review in IEEE Network Magazine.


• A. Griffin, T. Hirvonen, C. Tzagkarakis, A. Mouchtaris and P. Tsakalides, "Single-channel and Multi-channel Sinusoidal Audio Coding Using Compressed Sensing", IEEE Transactions on Audio, Speech and Language Proccesing, Vol. 19 (5), pp. 1382-1395, July 2011. [ PDF ]


• C. Tzagkarakis, A. Mouchtaris and P. Tsakalides, "A Multichannel Sinusoidal Model Applied to Spot Microphone Signals for Immersive Audio", IEEE Transactions on Audio, Speech and Language Proccesing, Vol. 17 (8), pp. 1483-1497, November 2009. [ PDF ]

Conference publications

• C. Tzagkarakis, N. Stefanakis and G. Tzagkarakis, "Impact Sounds Classification for Interactive Applications via Discriminative Dictionary Learning", submitted in European Signal Processing Conference (EUSIPCO'19), A Coruna, Spain, September, 2019.


• C. Tzagkarakis, N. Petroulakis and S. Ioannidis, "Botnet Attack Detection at the IoT Edge Based on Sparse Representation", in Proc. of Global Internet of Things Summit (GIoTS) '19, Aarhus, Denmark, June, 2019. [ PDF ]


• G. Hatzivasilis, N. Christodoulakis, C. Tzagkarakis, S. Ioannidis, K. Fysarakis, G. Demetriou and M. Panayiotou, "The CE-IoT Framework for Green ICT Organizations", in Proc. of 1st International Workshop on Smart Circular Economy (SmaCE) '19, Santorini Island, Greece, May, 2019. [ PDF ]


• C. Tzagkarakis, W.B. Kleijn and J. Skoglund, "Wideband Source Localization and Acquisition Based on a Grid-Shift Approach", in Proc. of Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA '17), New Paltz, NY, October 2017. [ PDF ]


• C. Tzagkarakis, S. Becker and A. Mouchtaris, "Joint Low-Rank Representation and Matrix Completion Under a Singular Value Thresholding Framework", in Proc. of European Signal Processing Conference (EUSIPCO '14), Lisbon, Portugal, September 1-5, 2014. [ PDF ]


• C. Tzagkarakis and A. Mouchtaris, "Reconstruction of Missing Features Based on a Low-Rank Assumption for Robust Speaker Identification", invited paper in International Conference on Information, Intelligence, Systems and Applications (IISA 2014), Chania, Greece, July 2014.
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• C. Tzagkarakis and A. Mouchtaris, "Sparsity Based Noise Robust Speaker Identification Using a Discriminative Dictionary Learning Approach", in Proc. of European Signal Processing Conference (EUSIPCO '13), Marrakech, Morocco, September 9-13, 2013. [ PDF ]


• C. Tzagkarakis and A. Mouchtaris, "Robust Speaker Identification Using Matrix Completion Under a Missing Data Imputation Framework", in Proc. 2013 Workshop on Signal Processing with Adaptive Sparse Structured Representations (SPARS '13), Lausanne, Switzerland, July 8-11, 2013. [ PDF ] [ poster ]


• C. Tzagkarakis and A. Mouchtaris, "Robust Text-Independent Speaker Identification using Short Test and Training Sessions", in Proc. of European Signal Processing Conference (EUSIPCO '10), Aalborg, Denmark, August 2010. [ PDF ]


• A. Griffin, C. Tzagkarakis, T. Hirvonen, A. Mouchtaris and P. Tsakalides, "Exploiting the Sparsity of the Sinusoidal Model using Compressed Sensing for Audio Coding", in Proc. Workshop on Signal Processing with Adaptive Sparse Structured Representations (SPARS 2009), Saint-Malo, France, April 6-9, 2009. [ PDF ]


• C. Tzagkarakis, A. Mouchtaris and P. Tsakalides, "Modeling and Coding of Spot Microphone Signals for Immersive Audio based on the Sinusoidal Model", in Proc. of European Signal Processing Conference (EUSIPCO '08), Lausanne, Switzerland, August 2008. [ PDF ]


• C. Tzagkarakis, A. Mouchtaris and P. Tsakalides, "Low Bitrate Coding of Spot Audio Signals for Interactive and Immersive Audio Applications", in Proc. International Symposium on Intelligent Interactive Multimedia Systems and Services, Piraeus, Greece, July 2008. [ PDF ]


• C. Tzagkarakis, A. Mouchtaris and P. Tsakalides, "Modeling Spot Microphone Signals using the Sinusoidal plus Noise Approach", in Proc. of Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA '07), New Paltz, NY, October 2007. [ PDF ]


• C. Tzagkarakis, A. Mouchtaris and P. Tsakalides, "Sinusoidal Modeling of Spot Microphone Signals based on Noise Transplantation for Multichannel Audio Coding", in Proc. of European Signal Processing Conference (EUSIPCO '07), Poznan, Poland, September 2007. [ PDF ]


• C. Tzagkarakis, A. Mouchtaris and P. Tsakalides, "Musical Genre Classification via Generalized Gaussian and Alpha-Stable Modeling", in Proc. of International Conference on Acoustics, Speech, and Signal Processing (ICASSP '06), Toulouse, France, May 2006. [ PDF ]