George Tzagkarakis

Publication Activity (10 Years)

Years Active: 2005-2024
Publications (10 Years): 29

Top Topics

Energy Distribution

Dimensionality Reduction

Compressive Sensing

Top Venues

Biomed. Signal Process. Control.

Publications

Konstantinos Bountrogiannis, Ioannis Papoutsidakis, Anthony Ephremides, Panagiotis Tsakalides, George Tzagkarakis
Variable-Length Stop-Feedback Coding for Minimum Age of Incorrect Information. CoRR (2024)
George Tzagkarakis, Frantz Maurer, John P. Nolan
Taming impulsive high-frequency data using optimal sampling periods. Ann. Oper. Res. 333 (1) (2024)
Konstantinos Bountrogiannis, George Tzagkarakis, Panagiotis Tsakalides
Distribution Agnostic Symbolic Representations for Time Series Dimensionality Reduction and Online Anomaly Detection. IEEE Trans. Knowl. Data Eng. 35 (6) (2023)
Mostafa Shabani, Martin Magris, George Tzagkarakis, Juho Kanniainen, Alexandros Iosifidis
Predicting the state of synchronization of financial time series using cross recurrence plots. Neural Comput. Appl. 35 (25) (2023)
Konstantinos Bountrogiannis, Anthony Ephremides, Panagiotis Tsakalides, George Tzagkarakis
Age of Incorrect Information With Hybrid ARQ Under a Resource Constraint for N-ary Symmetric Markov Sources. CoRR (2023)
Anastasia Pentari, George Tzagkarakis, Panagiotis Tsakalides, Panagiotis G. Simos, George Bertsias, Eleftherios Kavroulakis, Kostas Marias, Nicholas J. Simos, Efrosini Papadaki
Changes in resting-state functional connectivity in neuropsychiatric lupus: A dynamic approach based on recurrence quantification analysis. Biomed. Signal Process. Control. 72 (Part) (2022)
Anastasia Pentari, George Tzagkarakis, Kostas Marias, Panagiotis Tsakalides
Graph denoising of impulsive EEG signals and the effect of their graph representation. Biomed. Signal Process. Control. 78 (2022)
George Tzagkarakis, John P. Nolan, Panagiotis Tsakalides
Robust nonlinear compressive sampling using symmetric alpha-stable distributions. Signal Process. 182 (2021)
Konstantinos Bountrogiannis, George Tzagkarakis, Panagiotis Tsakalides
Distribution Agnostic Symbolic Representations for Time Series Dimensionality Reduction and Online Anomaly Detection. CoRR (2021)
Konstantinos Bountrogiannis, George Tzagkarakis, Panagiotis Tsakalides
Anomaly Detection for Symbolic Time Series Representations of Reduced Dimensionality. EUSIPCO (2020)
Anastasia Pentari, George Tzagkarakis, Kostas Marias, Panagiotis Tsakalides
A Study on the Effect of Distinct Adjacency Matrices for Graph Signal Denoising. BIBE (2020)
George Tzagkarakis, Frantz Maurer, Thomas Dionysopoulos
Nonparametric Adaptive Value-at-Risk Quantification Based on the Multiscale Energy Distribution of Asset Returns. EUSIPCO (2020)
George Tzagkarakis, Frantz Maurer
An energy-based measure for long-run horizon risk quantification. Ann. Oper. Res. 289 (2) (2020)
Anastasia Pentari, George Tzagkarakis, Kostas Marias, Panagiotis Tsakalides
Graph-based Denoising of EEG Signals in Impulsive Environments. EUSIPCO (2020)
George Tzagkarakis, Pavlos Charalampidis, Stylianos Roubakis, Antonis Makrogiannakis, Panagiotis Tsakalides
Quantifying the Computational Efficiency of Compressive Sensing in Smart Water Network Infrastructures. Sensors 20 (11) (2020)
George Tzagkarakis, Maria N. Anastasiadou, Demetrios G. Eliades
Smart Water Distribution Networks to Reduce Water Loss. ERCIM News 2020 (121) (2020)
Konstantinos Bountrogiannis, George Tzagkarakis, Panagiotis Tsakalides
Data-driven Kernel-based Probabilistic SAX for Time Series Dimensionality Reduction. EUSIPCO (2020)
Effrosyni Doutsi, George Tzagkarakis, Panagiotis Tsakalides
Neuro-Inspired Compression of RGB Images. EUSIPCO (2019)
Michaela Areti Zervou, George Tzagkarakis, Athanasia Panousopoulou, Panagiotis Tsakalides
A Self-Tuned Architecture for Human Activity Recognition Based on a Dynamical Recurrence Analysis of Wearable Sensor Data. EUSIPCO (2019)
Stylianos Roubakis, George Tzagkarakis, Panagiotis Tsakalides
Real-Time Prototyping of Matlab-Java Code Integration for Water Sensor Networks Applications. EUSIPCO (2019)
Vasileios Sideridis, Andrew Zacharakis, George Tzagkarakis, Maria Papadopouli
GestureKeeper: Gesture Recognition for Controlling Devices in IoT Environments. EUSIPCO (2019)
Michaela Areti Zervou, George Tzagkarakis, Panagiotis Tsakalides
Automated Screening of Dyslexia via Dynamical Recurrence Analysis of Wearable Sensor Data. BIBE (2019)
George Tzagkarakis, Ganna Palagina, I. Smirnakis, Stelios M. Smirnakis, Maria Papadopouli
Detection of Stimuli Changes in Neural Eventograms Using the Line of Synchronization of Global Recurrence Plots. ICASSP (2019)
Vasileios Sideridis, Andrew Zacharakis, George Tzagkarakis, Maria Papadopouli
GestureKeeper: Gesture Recognition for Controlling Devices in IoT Environments. CoRR (2019)
Christos Tzagkarakis, Nikolaos Stefanakis, George Tzagkarakis
Impact Sounds Classification for Interactive Applications via Discriminative Dictionary Learning. EUSIPCO (2019)
George Tzagkarakis, John P. Nolan, Panagiotis Tsakalides
Compressive Sensing Using Symmetric Alpha-Stable Distributions for Robust Sparse Signal Reconstruction. IEEE Trans. Signal Process. 67 (3) (2019)
George Tzagkarakis, John P. Nolan, Panagiotis Tsakalides
Compressive Sensing of Temporally Correlated Sources Using Isotropic Multivariate Stable Laws. EUSIPCO (2018)
George Tzagkarakis, Wouter Charle, Panagiotis Tsakalides
Data compression for snapshot mosaic hyperspectral image sensors. EUSIPCO (2016)
Sokratis Kartakis, Marija Milojevic-Jevric, George Tzagkarakis, Julie A. McCann
Energy-based adaptive compression in water network control systems. CySWATER@CPSWeek (2016)
Alin Achim, Adrian Basarab, George Tzagkarakis, Panagiotis Tsakalides, Denis Kouame
Reconstruction of Ultrasound RF Echoes Modeled as Stable Random Variables. IEEE Trans. Computational Imaging 1 (2) (2015)
George Tzagkarakis, Juliana Caicedo-Llano, Thomas Dionysopoulos
Sparse modeling of volatile financial time series via low-dimensional patterns over learned dictionaries. Algorithmic Finance 4 (3-4) (2015)
George Tzagkarakis, Panagiotis Tsakalides, Jean-Luc Starck
Compressive Video Sensing with Adaptive Measurement Allocation for Improving MPEGx Performance. VISAPP (1) (2015)
Aleka Seliniotaki, George Tzagkarakis, Vassilis Christophides, Panagiotis Tsakalides
Stream correlation monitoring for uncertainty-aware data processing systems. IISA (2014)
Dimitris Milioris, George Tzagkarakis, Artemis Papakonstantinou, Maria Papadopouli, Panagiotis Tsakalides
Low-dimensional signal-strength fingerprint-based positioning in wireless LANs. Ad Hoc Networks 12 (2014)
George Tzagkarakis, Aleka Seliniotaki, Vassilis Christophides, Panagiotis Tsakalides
Uncertainty-Aware Sensor Data Management and Early Warning for Monitoring Industrial Infrastructures. Int. J. Monit. Surveillance Technol. Res. 2 (4) (2014)
Grigorios Tsagkatakis, Panagiotis Tsakalides, Arnaud Woiselle, Marc Bousquet, George Tzagkarakis, Jean-Luc Starck
Compressed sensing reconstruction of convolved sparse signals. ICASSP (2014)
Alin Achim, Adrian Basarab, George Tzagkarakis, Panagiotis Tsakalides, Denis Kouame
Reconstruction of compressively sampled ultrasound images using dual prior information. ICIP (2014)
George Tzagkarakis, Panagiotis Tsakalides, Jean-Luc Starck
Covariation-based subspace-augmented MUSIC for joint sparse support recovery in impulsive environments. Signal Process. 93 (5) (2013)
George Tzagkarakis, Alin Achim, Panagiotis Tsakalides, Jean-Luc Starck
Joint reconstruction of compressively sensed ultrasound RF echoes by exploiting temporal correlations. ISBI (2013)
Dimitris Milioris, George Tzagkarakis, Philippe Jacquet, Panagiotis Tsakalides
WLAN-based indoor path tracking using compressive RSS measurements. EUSIPCO (2013)
George Tzagkarakis, Arnaud Woiselle, Panagiotis Tsakalides, Jean-Luc Starck
Design of a Compressive Remote Imaging System Compensating a Highly Lightweight Encoding with a Refined Decoding Scheme. VISAPP (1) (2012)
George Tzagkarakis, Grigorios Tsagkatakis, Jean-Luc Starck, Panagiotis Tsakalides
Compressive video classification in a low-dimensional manifold with learned distance metric. EUSIPCO (2012)
George Tzagkarakis, Pavlos Charalampidis, Grigorios Tsagkatakis, Jean-Luc Starck, Panagiotis Tsakalides
Compressive video classification for decision systems with limited resources. PCS (2012)
George Tzagkarakis, Jean-Luc Starck, Panagiotis Tsakalides
Joint sparse signal ensemble reconstruction in a WSN using decentralized Bayesian matching pursuit. EUSIPCO (2011)
Dimitris Milioris, George Tzagkarakis, Philippe Jacquet, Panagiotis Tsakalides
Indoor positioning in Wireless LANS using compressive sensing signal-strength fingerprints. EUSIPCO (2011)
George Tzagkarakis, Panagiotis Tsakalides
Bayesian compressed sensing imaging using a Gaussian Scale Mixture. ICASSP (2010)
George Tzagkarakis, Panagiotis Tsakalides
Sparse representation of medical images via compressed sensing using Gaussian scale mixtures. ISBI (2010)
George Tzagkarakis, Panagiotis Tsakalides
Distributed compressed sensing of non-negative signals using symmetric alpha-stable distributions. EUSIPCO (2010)
George Tzagkarakis, Dimitris Milioris, Panagiotis Tsakalides
Multiple-measurement Bayesian compressed sensing using GSM priors for DOA estimation. ICASSP (2010)
Dimitris Milioris, Lito Kriara, Artemis Papakonstantinou, George Tzagkarakis, Panagiotis Tsakalides, Maria Papadopouli
Empirical evaluation of signal-strength fingerprint positioning in wireless LANs. MSWiM (2010)
George Tzagkarakis, Panagiotis Tsakalides
Greedy sparse reconstruction of non-negative signals using symmetric alpha-stable distributions. EUSIPCO (2010)
George Tzagkarakis, Panagiotis Tsakalides
Bayesian compressed sensing of a highly impulsive signal in heavy-tailed noise using a multivariate Cauchy prior. EUSIPCO (2009)
George Tzagkarakis, Maria Papadopouli, Panagiotis Tsakalides
Trend forecasting based on Singular Spectrum Analysis of traffic workload in a large-scale wireless LAN. Perform. Evaluation 66 (3-5) (2009)
Tao Wan, George Tzagkarakis, Panagiotis Tsakalides, Cedric Nishan Canagarajah, Alin Achim
Context enhancement through image fusion: A multiresolution approach based on convolution of cauchy distributions. ICASSP (2008)
George Tzagkarakis, Baltasar Beferull-Lozano, Panagiotis Tsakalides
Rotation-Invariant Texture Retrieval via Signature Alignment Based on Steerable Sub-Gaussian Modeling. IEEE Trans. Image Process. 17 (7) (2008)
Ioannis Rousidis, George Tzagkarakis, Dimitris Plexousakis, Yannis Tzitzikas
On a Probabilistic Combination of Prediction Sources. ISMIS (2008)
George Tzagkarakis, Maria Papadopouli, Panagiotis Tsakalides
Singular spectrum analysis of traffic workload in a large-scale wireless lan. MSWiM (2007)
George Tzagkarakis, Baltasar Beferull-Lozano, Panagiotis Tsakalides
Rotation-invariant texture retrieval with gaussianized steerable pyramids. IEEE Trans. Image Process. 15 (9) (2006)
George Tzagkarakis, Baltasar Beferull-Lozano, Panagiotis Tsakalides
Rotation-Invariant Texture Retrieval with Gaussianized Steerable Pyramids. ICASSP (2) (2005)