Publications


188 entries « 2 of 4 »

2015

Tsagkatakis, Grigorios ; Woiselle, Arnaud ; Tzagkarakis, George ; Bousquet, Marc ; Starck, Jean-Luc ; Tsakalides, Panagiotis

Multireturn Compressed Gated Range Imaging Journal Article

Optical Engineering, special issue on Computational Approaches to Imaging LADAR, 54 (3), pp. 031106–031106, 2015.

Abstract | BibTeX | Tags: Coded Apertures, Compressed Sensing, Lidar, Remote Sensing

Griffin, Anthony ; Alexandridis, Anastasios ; Pavlidi, Despoina ; Mastorakis, Yannis ; Mouchtaris, Athanasios

Localizing Multiple Audio Sources in a Wireless Acoustic Sensor Network Journal Article

Signal Processing, Special issue on wireless acoustic sensor networks and ad-hoc microphone arrays, 107 , pp. 54–67, 2015.

Abstract | BibTeX | Tags: Acoustic Sensors, Acoustic Source Localization, Location Estimation, Microphone Arrays, Wireless Sensor Networks

Alexandridis, Anastasios ; Borboudakis, Giorgos ; Mouchtaris, Athanasios

Addressing the Data-Association Problem for Multiple Sound Souce Localization Using DOA Estimates (best paper award) In Proceedings

Proc. European Signal Processing Conference (EUSIPCO), pp. 1551–1555, 2015.

Abstract | BibTeX | Tags: Data-Association, Direction of Arrival, Localization, Microphone Arrays, Wireless Acoustic Sensor Networks

Karalas, Konstantinos ; Tsagkatakis, Grigorios ; Zervakis, Michalis; Tsakalides, Panagiotis

Deep Learning for Multi-label Land Cover Classification In Proceedings

Proc. 2015 SPIE Remote Sensing, International Society for Optics and Photonics 2015.

Abstract | BibTeX | Tags: Deep Learning, Feature Learning, Land Cover Classification, Remote Sensing, Sparse Autoencoders

Kartakis, Sokratis ; Tzagkarakis, George ; McCann, Julie

Adaptive Compressive Sensing in Smart Water Networks In Proceedings

Proc. 2nd International Electronic Conference on Sensors and Applications (ECSA), 2015.

Abstract | BibTeX | Tags: Compressed Sensing, Smart Water Network, Wireless Sensor and Actuator Networks

Pavlidi, Despoina ; Delikaris-Manias, Symeon ; Pulkki, Ville ; Mouchtaris, Athanasios

3D Localization of Multiple Sound Sources With Intensity Vector Estimates in Single Source Zones In Proceedings

Proceedings of the European Signal Processing Conference (EUSIPCO), pp. 1581-1585, 2015.

BibTeX | Tags: Beamforming, DOA Estimation, Localization, Microphone Arrays, Sound Intensity

Stefanakis, Nikolaos ; Mouchtaris, Athanasios

A Multi-Sensor Approach for Real-Time Detection and Classification of Impact Sounds In Proceedings

23rd European Signal Processing Conference (EUSIPCO), pp. 2083–2087, 2015.

Abstract | BibTeX | Tags: Gesture Recognition, Source Separation, Spatial Features

Alexandridis, Anastasios ; Mouchtaris, Athanasios

Multiple Sound Source Location Estimation and Counting in a Wireless Acoustic Sensor Network In Proceedings

Proc. Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA), pp. 1–5, 2015.

Abstract | BibTeX | Tags: DOA Estimates, Localization, Microphone Arrays, Source Counting, Wireless Acoustic Sensor Networks

Nikitaki, Sofia ; Tsagkatakis, Grigorios ; Tsakalides, Panagiotis

Efficient Multi-channel Signal Strength Based Localization via Matrix Completion and Bayesian Sparse Learning Journal Article

Mobile Computing, IEEE Transactions on, 14 (11), pp. 2244-2256, 2015.

Abstract | Links | BibTeX | Tags: Fingerprinting, Indoor Localization, Matrix Completion, Sparse Bayesian Learning

Phivou, Phivos ; Panousopoulou, Athanasia ; Tsakalides, Panagiotis

On Realizing Distributed Topology Control in Low-Power IoT Platforms In Proceedings

IEEE 2nd World Forum on Internet of Things (WF-IoT) - Enabling Internet Evolution, pp. 98-103, 2015.

Abstract | BibTeX | Tags: Contiki OS, Distributed Topology Control, Internet of Things, Wireless Sensor Networks

Savvaki, Sofia ; Tsagkatakis, Grigorios ; Panousopoulou, Athanasia ; Tsakalides, Panagiotis

Application of Matrix Completion on Water Treatment Data In Proceedings

Proceedings of the 1st ACM International Workshop on Cyber-Physical Systems for Smart Water Networks, pp. 3, ACM 2015.

Abstract | BibTeX | Tags: Matrix Completion, Water Treatment, Wireless Sensor Networks

Stefanakis, Nikolaos ; Mouchtaris, Athanasios

Foreground Suppresion for Capturing and Reproduction of Crowded Acoustic Environments In Proceedings

Proc. International. Conference Acoustics Speech and Signal Processing (ICASSP), pp. 51–55, 2015.

Abstract | BibTeX | Tags: Diffuseness Estimation, Foreground Suppression, Primary-ambient Extraction (PAE), Speech Processing

Tsagkatakis, Grigorios ; Tsakalides, Panagiotis

Recovery of Quantized Compressed Sensing Measurements In Proceedings

2015 IS&T/SPIE Electronic Imaging Conference, Computational Imaging XIII, International Society for Optics and Photonics 2015.

Abstract | BibTeX | Tags: Compressed Sensing, Image Compression, Scalar Quantization

Tsagkatakis, Grigorios ; Tsakalides, Panagiotis

Compressed Hyperspectral Sensing In Proceedings

Proc. 2015 IS&T/SPIE Electronic Imaging Conference, Image Sensors and Imaging Systems, International Society for Optics and Photonics 2015.

Abstract | BibTeX | Tags: Compressed Sensing, Hyperspectral Imaging, Snapshot Spectral Imaging

Akoumianakis, Demosthenes ; Alexandraki, Chrisoula ; Alexiou, Vaggelis ; Anagnostopoulou, Christina ; Eleftheriadis, Alexandros ; Lalioti, Vassiliki ; Mastorakis, Yannis ; Modas, Apostolos ; Mouchtaris, Athanasios ; Pavlidi, Despoina ; Polyzos, George ; Tsakalides, Panagiotis ; Xylomenos, George ; Zervas, Panagiotis

The MusiNet Project: Addressing the Challenges in Networked Music Performance Systems In Proceedings

Proceedings of the International Conference on Information, Intelligence, Systems and Applications (IISA), 2015.

BibTeX | Tags: Audio Coding, BareSIP, Networked Music Performance, Scalable Video Coding

2014

Achim, Alin Marian ; Basarab, Adrian ; Tzagkarakis, George ; Tsakalides, Panagiotis ; Kouame, Denis

Reconstruction of Compressively Sampled Ultrasound Images Using Dual Prior Information In Proceedings

Image Processing (ICIP), 2014 IEEE International Conference on, pp. 1283-1286, 2014.

Abstract | Links | BibTeX | Tags: Alpha-stable Distribution, Compressed Sensing, Image Reconstruction, Medical Image Processing, Ultrasonic Imaging

Akoumianakis, Demosthenes ; Alexandraki, Chrisoula ; Alexiou, Vaggelis ; Anagnostopoulou, Christina ; Eleftheriadis, Alexandros ; Lalioti, Vassiliki ; Mouchtaris, Athanasios ; Pavlidi, Despoina ; Polyzos, George ; Tsakalides, Panagiotis ; Xylomenos, George ; Zervas, Panagiotis

The MusiNet Project: Towards Unraveling the Full Potential of Networked Music Performance Systems In Proceedings

The 5th International Conference on Information, Intelligence, Systems and Applications, IISA, pp. 1-6, 2014.

Abstract | Links | BibTeX | Tags: Audio Coding, Media Relay, Networked Music Performance, Ultra Low Delay, Video Coding

Seliniotaki, Alexandra ; Tzagkarakis, George ; Christophides, Vassilis ; Tsakalides, Panagiotis

Stream Correlation Monitoring for Uncertainty-aware Data Processing Systems In Proceedings

Information, Intelligence, Systems and Applications, IISA 2014, The 5th International Conference on, pp. 342-347, 2014.

Abstract | Links | BibTeX | Tags: Data Management, Discrete Fourier Transforms, Industrial Surveillance, Sensor Placement, Uncertainty Quantification, Water Treatment

Tsagkatakis, Grigorios ; Tsakalides, Panagiotis ; Woiselle, Arnaud ; Bousquet, Marc ; Tzagkarakis, George ; Starck, Jean-Luc

Compressed Sensing Reconstruction of Convolved Sparse Signals In Proceedings

Acoustics, Speech and Signal Processing (ICASSP), 2014 IEEE International Conference on, pp. 3340-3344, 2014.

Abstract | Links | BibTeX | Tags: Compressed Sensing, Convolved Sparse Signals, DDCS, Deconvolution, Dictionary-based Deconvolution

Alexandridis, Anastasios ; Griffin, Anthony ; Mouchtaris, Athanasios

Breaking Down the Cocktail Party: Capturing and Isolating Sources in a Soundscape In Proceedings

Signal Processing Conference (EUSIPCO), 2014 Proceedings of the 22nd European, pp. 1118–1122, IEEE 2014.

Abstract | BibTeX | Tags: Beamforming, Microphone Arrays, Source Separation

Fotiadou, Konstantina ; Tsagkatakis, Grigorios ; Tsakalides, Panagiotis

Low Light Image Enhancement via Sparse Representations In Collection

Campilho, Aurelio ; Kamel, Mohamed (Ed.): Image Analysis and Recognition, 8814 , pp. 84-93, Springer International Publishing, 2014, ISBN: 978-3-319-11757-7.

Abstract | Links | BibTeX | Tags: Contrast Enhancement, De-nighting, Sparse Representations

Griffin, Anthony ; Alexandridis, Anastasios ; Pavlidi, Despoina ; Mouchtaris, Athanasios

Real-time Localization of Multiple Audio Sources in a Wireless Acoustic Sensor Network In Proceedings

Signal Processing Conference (EUSIPCO), 2014 Proceedings of the 22nd European, pp. 306–310, IEEE 2014.

Abstract | BibTeX | Tags: Acoustic Sensors, Acoustic Source Localization, Location Estimation, Microphone Arrays, Wireless Sensor Networks

Kafentzis, George ; Yakoumaki, Theodora ; Mouchtaris, Athanasios ; Stylianou, Yannis

Analysis of Emotional Speech Using an Adaptive Sinusoidal Model In Proceedings

Signal Processing Conference (EUSIPCO), 2014 Proceedings of the 22nd European, pp. 1492–1496, IEEE 2014.

Abstract | BibTeX | Tags: Signal Reconstruction, Sinusoidal Modeling, Speech Processing

Milioris, Dimitris ; Tzagkarakis, George ; Papakonstantinou, Artemis ; Papadopouli, Maria ; Tsakalides, Panagiotis

Low-dimensional Signal-strength Fingerprint-based Positioning in Wireless LANs Journal Article

Ad Hoc Netw., 12 , pp. 100–114, 2014, ISSN: 1570-8705.

Abstract | Links | BibTeX | Tags: Compressed Sensing, Kullback-Leibler Divergence, Localization, Multivariate Gaussian Model, RSSI Measurements, Sparse Representations

Tzagkarakis, Christos ; Becker, Stephen ; Mouchtaris, Athanasios

Joint Low-rank Representation and Matrix Completion Under a Singular Value Thresholding Framework In Proceedings

Signal Processing Conference (EUSIPCO), 2014 Proceedings of the 22nd European, pp. 1202–1206, IEEE 2014.

Abstract | BibTeX | Tags: Dictionary Representation, Matrix Completion, Singular Value Thresholding

Tzagkarakis, Christos ; Mouchtaris, Athanasios

Reconstruction of Missing Features Based on a Low-rank Assumption for Robust Speaker Identification In Proceedings

Information, Intelligence, Systems and Applications, IISA 2014, The 5th International Conference on, pp. 432–437, IEEE 2014.

Abstract | BibTeX | Tags: Speaker Recognition

Tzagkarakis, George ; Seliniotaki, Alexandra ; Christophides, Vassilis ; Tsakalides, Panagiotis

Uncertainty-Aware Sensor Data Management and Early Warning for Monitoring Industrial Infrastructures Journal Article

Int. J. Monit. Surveill. Technol. Res., 2 (4), pp. 1–24, 2014, ISSN: 2166-7241.

Abstract | Links | BibTeX | Tags: Data Management Systems, Fast Correlation Monitoring, Industrial Surveillance, Uncertainty-Aware Alerting, Wireless Sensor Networks

Stefanakis, Nikolaos ; Mastorakis, Yannis ; Mouchtaris, Athanasios

Instantaneous Detection and Classification of Impact Sound, Turning Simple Objects into Powerful Musical Control Interfaces In Proceedings

Proc. joint ICMC-SMC conference, pp. 1178–1184, 2014.

Abstract | BibTeX | Tags: Gesture Recognition, Hyper-instruments, Onset Detection

Morfi, Veronica ; Degottex, Gilles ; Mouchtaris, Athanasios

A Computationally Efficient Refinement of the Fundamental Frequency Estimate for the Adaptive Harmonic Model In Proceedings

Acoustics, Speech and Signal Processing (ICASSP), 2014 IEEE International Conference on, pp. 1478–1482, IEEE 2014.

Abstract | BibTeX | Tags: Frequency Estimation, Harmonic Analysis, Speech Processing

2013

Chorti, Arsenia ; Papadaki, Katerina ; Tsakalides, Panagiotis ; Poor, H.Vincent

The Secrecy Capacity of Block Fading Multiuser Wireless Networks In Proceedings

Advanced Technologies for Communications (ATC), 2013 International Conference on, pp. 247-251, 2013, ISSN: 2162-1020.

Abstract | Links | BibTeX | Tags: Block Fading Gaussian Channel, Delay Constrained Secrecy Capacity, OFDMA Networks, Probability of Secrecy Outage, Secure Waterfilling

Pavlidi, Despoina ; Griffin, Anthony ; Puigt, Matthieu ; Mouchtaris, Athanasios

Real-Time Multiple Sound Source Localization and Counting Using a Circular Microphone Array Journal Article

IEEE Transactions on Audio, Speech, and Language Processing, 21 (10), pp. 2193-2206, 2013, ISSN: 1558-7916.

Abstract | Links | BibTeX | Tags: DOA Estimation, Matching Pursuit Algorithm, Microphone Arrays, Multiple Source Localization

Milioris, Dimitris ; Tzagkarakis, George ; Jacquet, Philippe ; Tsakalides, Panagiotis

WLAN-based Indoor Path Tracking Using Compressive RSS Measurements In Proceedings

Signal Processing Conference (EUSIPCO), 2013 Proceedings of the 21st European, pp. 1-5, 2013.

Abstract | BibTeX | Tags: Compressed Sensing, Fingerprinting, Indoor Localization, Kalman Filter, RSSI Measurements, Sparse Representations, Wireless Networks

Nikitaki, Sofia ; Tsagkatakis, Grigorios ; Tsakalides, Panagiotis

Efficient Recalibration via Dynamic Matrix Completion In Proceedings

Machine Learning for Signal Processing (MLSP), 2013 IEEE International Workshop on, pp. 1-6, 2013, ISSN: 1551-2541.

Abstract | Links | BibTeX | Tags: Ad-hoc Networks, Fingerprinting, Indoor Localization, Matrix Completion, Wireless Sensor Networks

Griffin, Anthony ; Mouchtaris, Athanasios ; Tsakalides, Panagiotis

Apparatuses, Methods and Systems For Sparse Sinusoidal Audio Processing and Transmission Patent

US8489403 B1, 2013.

Abstract | BibTeX | Tags: Audio Processing, Sinusoidal Modeling, Sparse Representations

Koutrouvelis, Andreas ; Harma, Aki ; Mouchtaris, Athanasios

Compressive Sensing in Footstep Sounds, Hand Tremors and Speech Using K-SVD Dictionaries In Proceedings

Digital Signal Processing (DSP), 2013 18th International Conference on, pp. 1-6, 2013, ISSN: 1546-1874.

Abstract | Links | BibTeX | Tags: Compressed Sensing, Speech Recognition, Wavelet Transform

Nikitaki, Sofia ; Scoll, Philipp M; Van Laerhoven, Kristof ; Tsakalides, Panagiotis

Localization in Wireless Networks via Laser Scanning and Bayesian Compressed Sensing In Proceedings

Signal Processing Advances in Wireless Communications (SPAWC), 2013 IEEE 14th Workshop on, pp. 739-743, 2013, ISSN: 1948-3244.

Abstract | Links | BibTeX | Tags: Bayesian Methods, Compressed Sensing, Fingerprinting, Indoor Localization, RSSI Measurements, Sparse Signal Reconstruction, Wireless Networks

Poularakis, Stergios ; Tsagkatakis, Grigorios ; Tsakalides, Panagiotis ; Katsavounidis, Ioannis

Sparse Representations for Hand Gesture Recognition In Proceedings

Acoustics, Speech and Signal Processing (ICASSP), 2013 IEEE International Conference on, pp. 3746-3750, 2013, ISSN: 1520-6149.

Abstract | Links | BibTeX | Tags: Compressed Sensing, Dynamic Time Warping, Gesture Recognition, Hidden Markov Models, Image Recognition, Sparse Representations, Video Signal Processing

Tzagkarakis, George ; Achim, Alin Marian ; Tsakalides, Panagiotis ; Starck, Jean-Luc

Joint Reconstruction of Compressively Sensed Ultrasound RF Echoes by Exploiting Temporal Correlations In Proceedings

Biomedical Imaging (ISBI), 2013 IEEE 10th International Symposium on, pp. 632-635, 2013, ISSN: 1945-7928.

Abstract | Links | BibTeX | Tags: Compressed Sensing, Image Reconstruction, Medical Image Processing, Ultrasonic Imaging

Alexandridis, Anastasios ; Griffin, Anthony ; Mouchtaris, Athanasios

Capturing and Reproducing Spatial Audio Based on a Circular Microphone Array Journal Article

Journal of Electrical and Computer Engineering, 2013 (7), pp. 16, 2013.

Abstract | BibTeX | Tags: Beamforming, Microphone Arrays, Post Filtering, Reproduction, Spatial Audio

Alexandridis, Anastasios ; Griffin, Anthony ; Mouchtaris, Athanasios

Directional Coding of Audio Using a Circular Microphone Array. In Proceedings

ICASSP, pp. 296–300, 2013.

Abstract | BibTeX | Tags: Beamforming, Microphone Arrays, Spatial Audio

Caetano, Marcelo ; Kafentzis, George ; Degottex, Gilles ; Mouchtaris, Athanasios ; Stylianou, Yannis

Evaluating How Well Filtered White Noise Models the Residual From Sinusoidal Modeling Of Musical Instrument Sounds In Proceedings

Applications of Signal Processing to Audio and Acoustics (WASPAA), 2013 IEEE Workshop on, pp. 1–4, IEEE 2013.

Abstract | BibTeX | Tags: Acoustic Signal Processing, Sinusoidal Modeling, Spectral Analysis

Caetano, Marcelo ; Kafentzis, George ; Mouchtaris, Athanasios ; Stylianou, Yannis

Adaptive Sinusoidal Modeling of Percussive Musical Instrument Sounds In Proceedings

Signal Processing Conference (EUSIPCO), 2013 Proceedings of the 21st European, pp. 1–5, IEEE 2013.

Abstract | BibTeX | Tags: Music Instruments, Sinusoidal Modelling

Puigt, Matthieu ; Vincent, Emmanuel ; Deville, Yannick ; Griffin, Anthony ; Mouchtaris, Athanasios

Effects of Audio Coding on ICA Performance: An Experimental Study In Proceedings

Electronics, Control, Measurement, Signals and their application to Mechatronics (ECMSM), 2013 IEEE 11th International Workshop of, pp. 1–6, IEEE 2013.

Abstract | BibTeX | Tags: Audio Coding, Time Frequency Analysis

Tsagkatakis, Grigorios ; Woiselle, Arnaud ; Tzagkarakis, George ; Bousquet, Marc ; Starck, Jean-Luc ; Tsakalides, Panagiotis

Compressed Gated Range Sensing In Proceedings

2013 SPIE Optics + Photonics Symposium, Wavelets and Sparsity XV, pp. 88581B–88581B, International Society for Optics and Photonics 2013.

Abstract | BibTeX | Tags: Compressed Sensing, Range Imaging

Tzagkarakis, Christos ; Mouchtaris, Athanasios

Robust Speaker Identification Using Matrix Completion Under a Missing Data Imputation Framework In Proceedings

Proc. Workshop on Sig. Proc. with Adaptive Sparse Structured Representations (SPARS' 13), Lausanne, Switzerland., 2013.

Abstract | BibTeX | Tags: Matrix Completion, Speaker Identification

Tzagkarakis, Christos ; Mouchtaris, Athanasios

Sparsity Based Robust Speaker Identification Using a Discriminative Dictionary Learning Approach In Proceedings

Signal Processing Conference (EUSIPCO), 2013 Proceedings of the 21st European, pp. 1–5, IEEE 2013.

Abstract | BibTeX | Tags: Dictionary Learning, K-SVD, Sparse Representations, Speaker Identification

Tzagkarakis, George ; Tsakalides, Panagiotis ; Starck, Jean-Luc

Covariation-based Subspace-augmented MUSIC for Joint Sparse Support Recovery in Impulsive Environments Journal Article

Signal Process., 93 (5), pp. 1365–1373, 2013, ISSN: 0165-1684.

Abstract | Links | BibTeX | Tags: Compressed Sensing, Fractional Lower-order Moments, MUSIC, Sparse Support Recovery, Symmetric Alpha-stable Models

Griffin, Anthony ; Mouchtaris, Athanasios

Localizing Multiple Audio Sources from DOA Estimates in a Wireless Acoustic Sensor Network In Proceedings

Applications of Signal Processing to Audio and Acoustics (WASPAA), 2013 IEEE Workshop on, pp. 1–4, IEEE 2013.

Abstract | BibTeX | Tags: Array Signal Processing, Position Estimation, Wireless Sensor Networks

2012

Fragkiadakis, Alexandros ; Nikitaki, Sofia ; Tsakalides, Panagiotis

Physical-layer Intrusion Detection for Wireless Networks Using Compressed Sensing In Proceedings

Wireless and Mobile Computing, Networking and Communications (WiMob), 2012 IEEE 8th International Conference on, pp. 845-852, 2012, ISSN: 2160-4886.

Abstract | Links | BibTeX | Tags: Compressed Sensing, Denial-of-service Attacks, Jamming Attacks, Wireless Networks

Tsagkatakis, Grigorios ; Tsakalides, Panagiotis

Efficient High Dynamic Range Imaging via Matrix Completion In Proceedings

Machine Learning for Signal Processing (MLSP), 2012 IEEE International Workshop on, pp. 1-6, 2012, ISSN: 1551-2541.

Abstract | Links | BibTeX | Tags: High Dynamic Range Imaging, Image Reconstruction, Matrix Completion, Motion Artefact, Range Imaging

188 entries « 2 of 4 »