Publications


204 entries « 2 of 5 »

2016

Alexandridis, Anastasios ; Papadakis, Stefanos ; Pavlidi, Despoina ; Mouchtaris, Athanasios

Development and Evaluation of a Digital MEMS Microphone Array for Spatial Audio In Proceedings

Proc. European Signal Processing Conference (EUSIPCO), 2016.

Abstract | BibTeX | Tags: Digital Microphones, DOA Estimation, MEMS, Microphone Arrays, Spatial Audio

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

3D localization of multiple audio sources utilizing 2D DOA histograms In Proceedings

Proc. European Signal Processing Conference (EUSIPCO), IEEE, 2016.

Abstract | BibTeX | Tags: 2D Histogram Post-Processing, 3D DOA, Direction of Arrival, DOA Estimation, Multiple Sources, MUSIC, Spherical Microphone arrays, Steered Response Power

Stefanakis, Nikolaos ; Mouchtaris, Athanasios

Capturing and Reproduction of a Crowded Sound Scene Using a Circular Microphone Array In Proceedings

Proc. European Signal Processing Conference (EUSIPCO), IEEE, 2016.

Abstract | BibTeX | Tags: Circular Microphone Array, Direction of Arrival, DOA Estimation, Microphone Arrays, Spatial Audio Reproduction

Tzagkarakis, George ; Charle, Wouter ; Tsakalides, Panagiotis

Data Compression for Snapshot Mosaic Hyperspectral Image Sensors In Proceedings

Proc. 24th European Signal Processing Conference (EUSIPCO), 2016.

Abstract | BibTeX | Tags: Hyperspectral Data, Hyperspectral Imaging, Image Compression, Snapshot Mosaic Hyperspectral Sensor, Spatio-Spectral Decorrelation

Tsagkatakis, Grigorios ; Tsakalides, Panagiotis

Deep Feature Learning for Hyperspectral Image Classification and Land Cover Estimation In Proceedings

Living Planet Symposium, pp. 179, 2016.

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

Panousopoulou, Athanasia ; Tsakalides, Panagiotis

On Graph-based Feature Selection for Multi-hop Performance Characterization in Industrial Smart Water Networks In Proceedings

2016 International Workshop on Cyber-Physical Systems for Smart Water Networks, pp. 19-24, 2016.

Abstract | BibTeX | Tags: Feature Selection, Smart Water Networks, Water Treatment, Wireless Sensor Networks

Kartakis, Sokratis ; Milojevic Jevric, Marija ; Tzagkarakis, George ; McCann, Julie A

Energy-based Adaptive Compression in Water Network Control Systems In Proceedings

Proc. 2nd International Workshop on Cyber-Physical Systems for Smart Water Networks (CySWater), 2016.

Abstract | BibTeX | Tags: Compressed Sensing, Compressive Sensing, Cyber-Physical Systems, Internet of Things, IoT, Smart Water Network, Wireless Sensor and Actuator Networks, Wireless Sensor Networks

Fotiadou, Konstantina ; Tsagkatakis, Grigorios ; Tsakalides, Panagiotis

Spectral Resolution Enhancement of Hyperspectral Images via Sparse Representations In Proceedings

Proc. Computational Imaging, IS&T Int. Symposium on Electronic Imaging, pp. 1–1, 2016.

Abstract | BibTeX | Tags: Multispectral Imaging, Sparse Representations, Spectral Super-resolution

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

3D DOA ESTIMATION OF MULTIPLE SOUND SOURCES BASED ON SPATIALLY CONSTRAINED BEAMFORMING DRIVEN BY INTENSITY VECTORS In Proceedings

IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), pp. 96–100, 2016.

Abstract | BibTeX | Tags: 3D, Beamforming, Direction of Arrival, Multiple Sources, Sound Intensity, Spherical Microphone Array Processing

Tsagkatakis, Grigorios ; Jayapala, Murali ; Geelen, Bert ; Tsakalides, Panagiotis

Non-negative Matrix Completion for the Enhancement of Snapshot Mosaic Multispectral Imagery In Proceedings

Proc. Image Sensors and Imaging Systems, IS&T Int. Symposium on Electronic Imaging, pp. 1–1, 2016.

Abstract | BibTeX | Tags: Demosaicing, Matrix Completion, Multispectral Imaging

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

Land Classification Using Remotely Sensed Data: Going Multi-Label Journal Article

IEEE Transactions on Geoscience and Remote Sensing, 54 (6), pp. 1-16, 2016.

Abstract | BibTeX | Tags: Image Classification, Multispectral Imaging, Remote Sensing

2015

Morfi, Veronica ; Degottex, Gilles ; Mouchtaris, Athanasios

Speech Analysis and Synthesis with a Computationally Efficient Adaptive Harmonic Model Journal Article

Audio, Speech, and Language Processing, IEEE/ACM Transactions on, 23 (11), pp. 1950-1962, 2015, ISSN: 2329-9290.

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

Tzagkarakis, George ; Tsagkatakis, Grigorios ; Alonso, Daniel ; Celada, Eugenio ; Asensio, Cesar ; Panousopoulou, Athanasia ; Tsakalides, Panagiotis ; Beferull-Lozano, Baltasar

Signal and Data Processing Techniques for Industrial Cyber-Physical Systems In Collection

Rawat, Danda B; Rodrigues, Joel ; Stojmenovic, Ivan (Ed.): Cyber Physical Systems: From Theory to Practice, CRC Press, USA, 2015.

Abstract | BibTeX | Tags: Cyber-Physical Systems, Data Management Systems, Industrial Surveillance, Matrix Completion, Water Treatment, Wireless Sensor Networks

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

Reconstruction of Ultrasound RF Echoes Modeled as Stable Random Variables Journal Article

Computational Imaging, IEEE Transactions on, 1 (2), pp. 86-95, 2015, ISSN: 2333-9403.

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

Karagiannaki, Katerina ; Chonianakis, Stauros ; Patelarou, Euridiki ; Panousopoulou, Athanasia ; Papadopouli, Maria

mMamee: A mHealth Platform for Monitoring and Assessing Maternal Environmental Exposure In Proceedings

Computer-Based Medical Systems (CBMS), 2015 IEEE 28th International Symposium on, pp. 163-168, 2015.

Abstract | BibTeX | Tags: Environmental Exposure, mHeatlh, Wireless Sensor Networks

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

Compressive Video Sensing with Adaptive Measurement Allocation for Improving MPEGx Performance In Proceedings

Computer Vision Theory and Applications (VISAPP), International Conference on, 2015.

Abstract | BibTeX | Tags: Compressed Sensing, Compressive Video Sensing, Measurement Allocation, Remote Imaging

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

204 entries « 2 of 5 »