Publications

Publications 2020-07-29T17:30:12+00:00

416 entries « 2 of 9 »

2018

Flokas, Lampros; Maragos, Petros

Online Wideband Spectrum Sensing Using Sparsity Journal Article

IEEE Journal of Selected Topics in Signal Processing, 12 (1), pp. 35–44, 2018, ISSN: 19324553.

Abstract | BibTeX | Tags: cognitive radio, LMS, signal processing, sparse representations | Links: pdf link imagedoi link image

Khamassi, Mehdi; Velentzas, George; Tsitsimis, Theodore; Tzafestas, Costas

Robot fast adaptation to changes in human engagement during simulated dynamic social interaction with active exploration in parameterized reinforcement learning Journal Article

IEEE Transactions on Cognitive and Developmental Systems, 10 , pp. 881 - 893, 2018.

Abstract | BibTeX | Tags: Active exploration, Bandits, Human-robot interaction, Meta-learning, reinforcement learning | Links: pdf link imagedoi link image

2017

Maragos, P

Dynamical systems on weighted lattices: general theory, Journal Article

Math. Control Signals Syst., 29 (1), 2017.

BibTeX | Tags: | Links: pdf link imagedoi link image

Rodomagoulakis, I; Katsamanis, A; Potamianos, G; Giannoulis, P; Tsiami, A; Maragos, P

Room-localized spoken command recognition in multi-room, multi-microphone environments Journal Article

Computer Speech & Language, 46 , pp. 419-443, 2017.

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Chalvatzaki, G; Papageorgiou, X S; Tzafestas, C S

Towards a user-adaptive context-aware robotic walker with a pathological gait assessment system: First experimental study Conference

IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), 2017.

Abstract | BibTeX | Tags: | Links: pdf link imagedoi link image

Chalvatzaki, G; Papageorgiou, X S; Tzafestas, C S; Maragos, P

HMM-based Pathological Gait Analyzer for a User-Adaptive Intelligent Robotic Walker Conference

Proc. 25th European Conf.(EUSIPCO-17) Workshop: "MultiLearn 2017 - Multimodal processing, modeling and learning for human-computer/robot interaction applications", Kos, Greece, 2017.

Abstract | BibTeX | Tags: | Links: pdf link image

Dometios, A C; Papageorgiou, X S; Arvanitakis, A; Tzafestas, C S; Maragos, P

Real-time End-effector Motion Behavior Planning Approach Using On-line Point-cloud Data Towards a User Adaptive Assistive Bath Robot Conference

2017 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), Vancouver, Canada, 2017.

Abstract | BibTeX | Tags: | Links: pdf link imagedoi link image

Dometios, A C; Tsiami, A; Arvanitakis, A; Giannoulis, P; Papageorgiou, X S; Tzafestas, C S; Maragos, P

Integrated Speech-based Perception System for User Adaptive Robot Motion Planning in Assistive Bath Scenarios Conference

Proc. of the 25th European Signal Processing Conference - Workshop: "MultiLearn 2017 - Multimodal processing, modeling and learning for human-computer/robot interaction applications", Kos, Greece, 2017.

Abstract | BibTeX | Tags: | Links: pdf link image

Velentzas, G; Tzafestas, C; Khamassi, M

Bio-inspired meta-learning for active exploration during non-stationary multi-armed bandit tasks Conference

Proc. IEEE Intelligent Systems Conference, London, UK, 2017.

Abstract | BibTeX | Tags: Active exploration, Bandits, decision making, Kalman filter, Meta-learning, Multi-armed bandit, reinforcement learning | Links: pdf link imagedoi link image

Chalvatzaki, G; Papageorgiou, X S; Tzafestas, C S; Maragos, P

Estimating double support in pathological gaits using an HMM-based analyzer for an intelligent robotic walker Conference

IEEE International Symposium on Robot and Human Interactive Communication (RO-MAN), 2017.

Abstract | BibTeX | Tags: | Links: pdf link imagedoi link image

Tsitsimis, Theodore; Velentzas, George; Khamassi, Mehdi; Tzafestas, Costas

Online adaptation to human engagement perturbations in simulated human-robot interaction using hybrid reinforcement learning Conference

Proc. of the 25th European Signal Processing Conference - Workshop: "MultiLearn 2017 - Multimodal processing, modeling and learning for human-computer/robot interaction applications", Kos, Greece, 2017., Kos, Greece, 2017.

Abstract | BibTeX | Tags: adaptation, Human-robot interaction, reinforcement learning | Links: pdf link image

Velentzas, G; Tzafestas, C; Khamassi, M

Bridging Computational Neuroscience and Machine Learning on Non-Stationary Multi-Armed Bandits Miscellaneous

bioRxiv, 117598, 2017.

Abstract | BibTeX | Tags: Active exploration, Bandits, Decision-making, Kalman filter, Meta-learning, Multi-armed bandit, reinforcement learning | Links: pdf link imagedoi link image

Chalvatzaki, G; Papageorgiou, X S; Tzafestas, C S; Maragos, P

Comparative experimental validation of human gait tracking algorithms for an intelligent robotic rollator Conference

IEEE International Conference on Robotics and Automation (ICRA), 2017.

Abstract | BibTeX | Tags: | Links: pdf link imagedoi link image

Active exploration and parameterized reinforcement learning applied to a simulated human-robot interaction task Conference

Proc. IEEE Int'l Conference on Robotic Computing, Taichung, Taiwan, 2017.

Abstract | BibTeX | Tags: Active exploration, Human-robot interaction, Meta-learning, Multi-Arm bandit, reinforcement learning | Links: pdf link imagedoi link image

Zlatintsi, A; Rodomagoulakis, I; Pitsikalis, V; Koutras, P; Kardaris, N; Papageorgiou, X; Tzafestas, C; Maragos, P

Social Human-Robot Interaction for the Elderly: Two Real-life Use Cases, Conference

ACM/IEEE International Conference on Human-Robot Interaction (HRI), Vienna, Austria, 2017.

Abstract | BibTeX | Tags: Assistive HRI, Multimodal audio-gestural recognition | Links: pdf link image

Katsamanis, Athanasios; Pitsikalis, Vassilis; Theodorakis, Stavros; Maragos, Petros

Multimodal Gesture Recognition Book Chapter

The Handbook of Multimodal-Multisensor Interfaces: Foundations, User Modeling, and Common Modality Combinations - Volume 1, pp. 449–487, Association for Computing Machinery and Morgan & Claypool, 2017, ISBN: 9781970001679.

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Charisopoulos, Vasileios; Maragos, Petros

Morphological perceptrons: Geometry and training algorithms Conference

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 10225 LNCS , 2017, ISSN: 16113349.

Abstract | BibTeX | Tags: Machine learning, Mathematical morphology, Neural networks, Optimization, Tropical geometry | Links: pdf link imagedoi link image

Khamassi, Mehdi; Velentzas, George; Tsitsimis, Theodore; Tzafestas, Costas

Active exploration and parameterized reinforcement learning applied to a simulated human-robot interaction task Conference

Proceedings - 2017 1st IEEE International Conference on Robotic Computing, IRC 2017, 2017, ISBN: 9781509067237.

Abstract | BibTeX | Tags: Active exploration, Human-robot interaction, Meta-learning, Multi-Arm bandit, reinforcement learning | Links: pdf link imagedoi link image

Sakaridis, Christos; Drakopoulos, Kimon; Maragos, Petros

Theoretical Analysis of Active Contours on Graphs Journal Article

SIAM J. Imaging Sciences, 2017, ISSN: 1936-4954.

Abstract | BibTeX | Tags: | Links: pdf link imagedoi link image

Bampis, Christos G; Maragos, Petros; Bovik, Alan C

Graph-driven diffusion and random walk schemes for image segmentation Journal Article

IEEE Transactions on Image Processing, 26 (1), pp. 35–50, 2017, ISSN: 10577149.

Abstract | BibTeX | Tags: diffusion modeling, Graph clustering, Image segmentation, random walker, SIR epidemic propagation model | Links: pdf link imagedoi link image

Filntisis, Panagiotis Paraskevas; Katsamanis, Athanasios; Tsiakoulis, Pirros; Maragos, Petros

Video-realistic expressive audio-visual speech synthesis for the Greek language Journal Article

Speech Communication, 95 , pp. 137–152, 2017, ISSN: 01676393.

Abstract | BibTeX | Tags: adaptation, Audio-visual speech synthesis, Deep neural networks, Expressive, hidden Markov models, Interpolation | Links: pdf link imagedoi link image

Papageorgiou, X S; Chalvatzaki, G; Dometios, A; Tzafestas, C S; Maragos, P

Intelligent Assistive Robotic Systems for the Elderly: Two Real-life Use Cases Conference

C_PETRA, ACM, Island of Rhodes, Greece, 2017, ISBN: 978-1-4503-5227-7.

Abstract | BibTeX | Tags: Assistive HRI, Bathing Assistance, Intelligent Assistive Robotic Systems, Mobility Assistance | Links: pdf link imagedoi link image

Karamanolakis, G; Iosif, E; Zlatintsi, A; Pikrakis, A; Potamianos, A

Audio-based Distributional Semantic Models for Music Auto-tagging and Similarity Measurement Conference

Proc. MultiLearn2017: Multimodal Processing, Modeling and Learning for Human-Computer/Robot Interaction Workshop, in conjuction with European Signal Processing Conference, Kos, Greece, 2017.

Abstract | BibTeX | Tags: | Links: pdf link image

Zlatintsi, A; Koutras, P; Evangelopoulos, G; Malandrakis, N; Efthymiou, N; Pastra, K; Potamianos, A; Maragos, P

COGNIMUSE: a multimodal video database annotated with saliency, events, semantics and emotion with application to summarization Journal Article

EURASIP Journal on Image and Video Processing, 54 , pp. 1–24, 2017.

Abstract | BibTeX | Tags: Audio-visual events, Cross-media relations, Emotion annotation, Saliency, Video database, Video summarization | Links: pdf link imagedoi link image

2016

Kardaris, N; Rodomagoulakis, I; Pitsikalis, V; Arvanitakis, A; Maragos, P

A Platform for Building New Human-Computer Interface Systems that Support Online Automatic Recognition of Audio-Gestural Commands Conference

Proceedings of the 2017 ACM on Multimedia Conference, Amsterdam, The Netherlands, 2016.

Abstract | BibTeX | Tags: Accessibility, Auditory feedback, Gestural input, Human computer interaction (HCI) | Links: pdf link imagedoi link image

Guler, A; Kardaris, N; Chandra, S; Pitsikalis, V; Werner, C; Hauer, K; Tzafestas, C; Maragos, P; Kokkinos, I

Human Joint Angle Estimation and Gesture Recognition for Assistive Robotic Vision Conference

Proc. of Workshop on Assistive Computer Vision and Robotics, European Conf. on Computer Vision (ECCV-2016), Amsterdam, The Netherlands, 2016.

Abstract | BibTeX | Tags: assistive living, gesture recognition, joint angle, kinect sensor, pose estimation | Links: pdf link imagedoi link image

Kardaris, N; Pitsikalis, V; Mavroudi, E; Maragos, P

Introducing Temporal Order of Dominant Visual Word Sub-Sequences for Human Action Recognition Conference

Proc. of IEEE Int'l Conf. on Image Processing (ICIP-2016), Phoenix, AZ, USA, 2016.

Abstract | BibTeX | Tags: bag-of-visual words, local sub-sequence alignment, temporal sequences, video representation, visual human action recognition | Links: pdf link imagedoi link image

Panagiotaropoulou, G; Koutras, P; Katsamanis, A; Maragos, P; Zlatintsi, A; Protopapas, A; Karavasilis, E; Smyrnis, N

fMRI-based Perceptual Validation of a computational Model for Visual and Auditory Saliency in Videos Conference

Proc. {IEEE} Int'l Conf. Acous., Speech, and Signal Processing, Phoenix, AZ, USA, 2016.

Abstract | BibTeX | Tags: AM-FM sound analysis, auditory saliency, f{MRI}, General Linear Model, Spatio-temporal Gabor energy filterbank, Visual saliency | Links: pdf link image

Chalvatzaki, G; Papageorgiou, X S; Werner, C; Hauer, K; Tzafestas, C S; Maragos, P

Experimental comparison of human gait tracking algorithms: Towards a context-aware mobility assistance robotic walker Conference

Mediterranean Conference on Control and Automation (MED), 2016.

Abstract | BibTeX | Tags: | Links: pdf link imagedoi link image

Dometios, A C; Papageorgiou, X S; Tzafestas, C S; Vartholomeos, P

Towards ICT-supported Bath Robots: Control Architecture Description and Localized Perception of User for Robot Motion Planning Conference

Mediterranean Conference on Control and Automation (MED), Athens, Greece, 2016.

Abstract | BibTeX | Tags: | Links: pdf link imagedoi link image

Papageorgiou, X S; Chalvatzaki, G; Lianos, K N; Werner, C; Hauer, K; Tzafestas, C S; Maragos, P

Experimental validation of human pathological gait analysis for an assisted living intelligent robotic walker Conference

C_BIOROB, 2016.

Abstract | BibTeX | Tags: | Links: pdf link imagedoi link image

Tsiami, A; Katsamanis, A; Maragos, P; Vatakis, A

Towards a behaviorally-validated computational audiovisual saliency model Conference

Proc. IEEE Int'l Conf. Acous., Speech, and Signal Processing, Shanghai, China, 2016.

Abstract | BibTeX | Tags: | Links: pdf link imagedoi link image

Maragos, Petros; Pitsikalis, Vassilis; Katsamanis, Athanasios; Pavlakos, George; Theodorakis, Stavros

On Shape Recognition and Language Inproceedings

Breuß, Michael; Bruckstein, Alfred; Maragos, Petros; Wuhrer, Stefanie (Ed.): Perspectives in Shape Analysis, pp. 321–344, Springer International Publishing, Cham, 2016, ISBN: 978-3-319-24726-7.

Abstract | BibTeX | Tags:

Bampis, Christos G; Maragos, Petros; Bovik, Alan C

Projective non-negative matrix factorization for unsupervised graph clustering Conference

Proceedings - International Conference on Image Processing, ICIP, 2016-August , 2016, ISSN: 15224880.

BibTeX | Tags: | Links: pdf link imagedoi link image

Panagiotaropoulou, Georgia; Koutras, Petros; Katsamanis, Athanasios; Maragos, Petros; Zlatintsi, Athanasia; Protopapas, Athanassios; Karavasilis, Efstratios; Smyrnis, Nikolaos

FMRI-based perceptual validation of a computational model for visual and auditory saliency in videos Conference

Proceedings - International Conference on Image Processing, ICIP, 2016-August , 2016, ISSN: 15224880.

Abstract | BibTeX | Tags: AM-FM sound analysis, auditory saliency, FMRI, General Linear Model, Spatio-temporal Gabor energy filterbank, Visual saliency | Links: pdf link imagedoi link image

Rodomagoulakis, I; Kardaris, N; Pitsikalis, V; Arvanitakis, A; Maragos, P

A multimedia gesture dataset for human robot communication: Acquisition, tools and recognition results Conference

Proceedings - International Conference on Image Processing, ICIP, 2016-August , 2016, ISSN: 15224880.

Abstract | BibTeX | Tags: Audio commands, Human-robot communication, Multimedia gesture dataset, Visual gesture recognition | Links: pdf link imagedoi link image

Karigiannis, John N; Tzafestas, Costas S

Model-free learning on robot kinematic chains using a nested multi-agent topology Journal Article

Journal of Experimental and Theoretical Artificial Intelligence, 28 (6), pp. 913–954, 2016, ISSN: 13623079.

Abstract | BibTeX | Tags: multi-agent architecture; fuzzy reinforcement learning; developmental robotics; dexterous robotic manipulation | Links: doi link image

Karamanolakis, G; Iosif, E; Zlatintsi, A; Pikrakis, A; Potamianos, A

Audio-Based Distributional Representations of Meaning Using a Fusion of Feature Encodings Conference

2016.

Abstract | BibTeX | Tags: Audio representations, Bag-of-audio-words, Feature space fusion, Lexical semantic similarity | Links: pdf link image

2015

Papageorgiou, X S; Tzafestas, C S; Laschi, Vartholomeos C; Lopez, R

ICT-Supported Bath Robots: Design Concepts Conference

C_ICSR, 2015.

Abstract | BibTeX | Tags: | Links: pdf link image

Moustris, Papageorgiou G X S; Chalvatzaki, Pitsikalis G V; Dometios, A; Kardaris, N; Tzafestas, C S; Maragos, P

User-Oriented Cognitive Interaction and Control for an Intelligent Robotic Walker Conference

17th International Conference on Social Robotics (ICSR 2015), 2015.

Abstract | BibTeX | Tags: | Links: pdf link image

Chalvatzaki, G; Papageorgiou, X S; Tzafestas, C S

Gait Modelling for a Context-Aware User-Adaptive Robotic Assistant Platform Conference

2015, ISSN: 978-88-97999-63-8.

Abstract | BibTeX | Tags: | Links: pdf link image

Papageorgiou, X S; Chalvatzaki, G; Tzafestas, C S; Maragos, P

Hidden markov modeling of human pathological gait using laser range finder for an assisted living intelligent robotic walker Conference

IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), 2015.

Abstract | BibTeX | Tags: | Links: pdf link imagedoi link image

Koutras, P; Zlatintsi, A; E.Iosif, ; Katsamanis, A; Maragos, P; Potamianos, A

Predicting Audio-Visual Salient Events Based on Visual, Audio and Text Modalities for Movie Summarization Conference

Proc. {IEEE} Int'l Conf. Acous., Speech, and Signal Processing, Quebec, Canada, 2015.

Abstract | BibTeX | Tags: affective text analysis, audio-visual salient events, auditory saliency, Movie summarization, Visual saliency | Links: pdf link image

Zlatintsi, A; E.Iosif, ; Maragos, P; Potamianos, A

Audio Salient Event Detection and Summarization using Audio and Text Modalities Conference

Nice, France, 2015.

Abstract | BibTeX | Tags: affective text analysis, Audio summarization, Audio-text salient events, Monomodal auditory saliency | Links: pdf link image

Zlatintsi, A; Koutras, P; Efthymiou, N; Maragos, P; Potamianos, A; Pastra, K

Quality Evaluation of Computational Models for Movie Summarization Conference

Costa Navarino, Messinia, Greece, 2015.

Abstract | BibTeX | Tags: | Links: pdf link image

Chaspari, Theodora; Soldatos, Constantin; Maragos, Petros

The development of the Athens Emotional States Inventory (AESI): collection, validation and automatic processing of emotionally loaded sentences Journal Article

The World Journal of Biological Psychiatry, 16 (5), pp. 312–322, 2015.

BibTeX | Tags: | Links: pdf link imagedoi link image

Bampis, Christos G; Maragos, Petros

UNIFYING THE RANDOM WALKER ALGORITHM AND THE SIR MODEL FOR GRAPH CLUSTERING AND IMAGE SEGMENTATION Conference

Icip 2015, 2 (3), 2015, ISBN: 9781479983391.

BibTeX | Tags: | Links: pdf link image

Giannoulis, Panagiotis; Brutti, Alessio; Matassoni, Marco; Abad, Alberto; Katsamanis, Athanasios; Matos, Miguel; Potamianos, Gerasimos; Maragos, Petros; Kessler, Fondazione Bruno

MULTI-ROOM SPEECH ACTIVITY DETECTION USING A DISTRIBUTED MICROPHONE NETWORK IN DOMESTIC ENVIRONMENTS Conference

Proc. European Signal Processing Conf. (EUSIPCO-2015), Nice, France, Sep. 2015, 2015, ISBN: 9780992862633.

BibTeX | Tags: | Links: pdf link image

Koutras, P; Zlatintsi, A; Iosif, E; Katsamanis, A; Maragos, P; Potamianos, A

Predicting audio-visual salient events based on visual, audio and text modalities for movie summarization Conference

Proceedings - International Conference on Image Processing, ICIP, 2015-December , 2015, ISSN: 15224880.

BibTeX | Tags: affective text analysis, audio-visual salient events, auditory saliency, Movie summarization, Visual saliency | Links: pdf link imagedoi link image

Koutras, Petros; Maragos, Petros

Estimation of eye gaze direction angles based on active appearance models Conference

2015 IEEE International Conference on Image Processing (ICIP), 2015, ISBN: 978-1-4799-8339-1.

BibTeX | Tags: | Links: pdf link imagedoi link image

416 entries « 2 of 9 »