Publications

G. Velentzas, T. Tsitsimis, C. Tzafestas, and M. Khamassi, “Active state-specific parameterized exploration for engagement maximization during simulated child-robot interaction”.Paladyn, Journal of Behavioral Robotics – Special Issue based on BAILAR 2017 (Submitted) .

A. Tsiami, P. Koutras, N. Efthymiou, P. P. Filntisis, G. Potamianos, and P. Maragos, “Multi3: Multi-sensory perception system for multi-modal child interaction with multiple robots,” IEEE Int. Conf. on Robotics and Automation (ICRA), Brisbane, Australia, 2018. (to appear)

Mehdi Khamassi, George Velentzas, Theodore Tsitsimis, Costas Tzafestas, “Active exploration and parameterized reinforcement learning applied to a simulated human-robot interaction task”, In: Proceedings of The First IEEE International Conference on Robotic Computing (IRC’2017), Taiwan, 10-12 April 2017. link

Wood, L., Dautenhahn, K., Robins, B., & Zaraki, A. (2017). Developing child-robot interaction scenarios with a humanoid robot to assist children with autism in developing visual perspective taking skills. In Proceedings of the 26th IEEE International Symposium on Robots and Human Interactive Communication (Ro-Man) (pp. 1-6).

Robins, B., Dautenhahn, K., Wood, L., & Zaraki, A. (2017, November). Developing Interaction Scenarios with a Humanoid Robot to Encourage Visual Perspective Taking Skills in Children with Autism–Preliminary Proof of Concept Tests. In International Conference on Social Robotics (pp. 147-155). Springer, Cham.

Robins, B., & Dautenhahn, K. (2017, November). The Iterative Development of the Humanoid Robot Kaspar: An Assistive Robot for Children with Autism. In Social Robotics: 9th International Conference, ICSR 2017, Tsukuba, Japan, November 22-24, 2017, Proceedings (Vol. 10652, p. 53). Springer.

Luke Wood, Ben Robins, Kerstin Dautenhahn, Gabriella Lakatos, Dag Syrdal and Abolfazl Zaraki
“Utilising humanoid robots to assist children with autism learn about Visual Perspective Taking”
The UK-RAS Network Conference On Robotics And Autonomous Systems: Robots Working For And Among Us. 2017

Abolfazl Zaraki, Luke Wood, Ben Robins and Kerstin Dautenhahn “Design, Implementation and Experimental Evaluation of an IrisTK-Based Deliberative-Reactive Control Architecture for Autonomous Child-Robot Interaction in the Real-World Settings” The UK-RAS Network Conference On Robotics And Autonomous Systems: Robots Working For And Among Us. 2017

V. Charisopoulos, and P. Maragos. “Morphological Perceptrons: Geometry and Training Algorithms.” In International Symposium on Mathematical Morphology and Its Applications to Signal and Image Processing, pp. 3-15. Springer, Cham, 2017. link

P. Filntisis, A. Katsamanis and Petros Maragos, “Photorealistic Adaptation and Interpolation of Facial Expressions Using HMMS and AAMS for Audio Visual Speech Synthesis “, IEEE SigPort, 2017. [Online]. Available: http://sigport.org/2200. Accessed: Jan. 16, 2018. link

Hemminghaus, Jacqueline, Laura Hoffmann, and Stefan Kopp. “Teaching a Robot how to Guide Attention in Child-Robot Learning Interactions.” (2017). link

Schodde, T., Hoffmann, L., & Kopp, S. (2017). How to Manage Affective State in Child-Robot Tutoring Interactions?. Presented at the IEEE International Conference on Companion Technology (ICCT 2017), Ulm.

A. Koumparoulis, G. Potamianos, Y. Mroueh, and S. J. Rennie. “Exploring ROI size in deep learning based lipreading.” AVSP, 2017. link

Oertel, Catharine, Patrik Jonell, Dimosthenis Kontogiorgos, Joseph Mendelson, Jonas Beskow, and Joakim Gustafson. “Crowd-sourced design of artificial attentive listeners.” In INTERSPEECH: Situated Interaction, Augusti 20-24 Augusti, 2017. 2017. link

C. Bampis, P. Maragos, and A. C. Bovik. “Graph-Driven Diffusion and Random Walk Schemes for Image Segmentation.” IEEE Transactions on Image Processing 26, no. 1 (2017): 35-50. link

C. Sakaridis, K. Drakopoulos, and P. Maragos. “Theoretical Analysis of Active Contours on Graphs.” SIAM Journal on Imaging Sciences 10, no. 3 (2017): 1475-1510. link

P. Maragos, “Dynamical systems on weighted lattices: general theory.” Mathematics of Control, Signals, and Systems29, no. 4 (2017): 1. link

P. P. Filntisis, A. Katsamanis, P. Tsiakoulis, and P. Maragos. “Video-realistic expressive audio-visual speech synthesis for the Greek language.” Speech Communication 95 (2017): 137-152. link

de Kok, Iwan, Jaqueline Hemminghaus, and Stefan Kopp. “Challenges in Synchronized Behavior Realization for Different Robotic Embodiments.” (2017). link

P. Giannoulis, G. Potamianos, and P. Maragos. “On the Joint Use of NMF and Classification for Overlapping Acoustic Event Detection.” In Multidisciplinary Digital Publishing Institute Proceedings, vol. 2, no. 2, p. 90. 2018. link

Laura Hoffmann, Nikolai Bock, & Astrid M. Rosenthal v.d. Pu?tten (2018). The Peculiarities of Robot Embodiment (EmCorp-Scale): Development, Validation and Initial Test of the Embodiment and Corporeality of Artificial Agents Scale. In HRI ’18: 2018 ACM/IEEE International Conference on Human- Robot Interaction, March 5–8, 2018, Chicago, IL, USA. ACM, New York, NY, USA. link

Julien Perolat, Bilal Piot, Olivier Pietquin “Actor-Critic Fictitious Play in Simultaneous Move Multistage Games” in Proceedings of AISTATS 2018

A. Tsiami, P. P. Filntisis, N. Efthymiou, P. Koutras, G. Potamianos, and P. Maragos, “Far-field audio-visual scene perception of multi-party human-robot interaction for children and adults,” IEEE Int. Conf. on Acoustics, Speech, and Signal Processing (ICASSP), Calgary, Canada, 2018. (to appear)

Georgia Chalvatzaki, Xanthi S. Papageorgiou, Costas S. Tzafestas, Petros Maragos, “HMM-based Pathological Gait Analyzer for a User-Adaptive Intelligent Robotic Walker”,Proceedings of the 25th European Signal Processing Conference – Workshop: “MultiLearn 2017 – Multimodal processing, modeling and learning for human-computer/robot interaction applications”, Island of Kos, Greece, 28 August – 2 September 2017,  pdf

Georgia Chalvatzaki, Xanthi S. Papageorgiou, Costas S. Tzafestas, “Towards a User-Adaptive Context-Aware Robotic Walker with a Pathological Gait Assessment System: First Experimental Study”, Proceedings of the 2017 IEEE International Conference on Intelligent Robotics, September 24 – 28, 2017, Vancouver, Canada, pdf

F. Christopoulou, E. Briakou, E. Iosif and A. Potamianos. “Mixture of Topic-based Distributional Semantic and Affective Models“, 12th IEEE International Conference on Semantic Computing, 31 January – 2 February 2018, Laguna Hills, California, USA.

A. Kolovou, E. Iosif and A. Potamianos. “Lexical and Affective Models in Early Acquisition of Semantics“. 6th International Workshop on Child Computer Interaction (WOCCI), pp. 40-45, 13 November 2017, Glasgow, Scotland. pdf

E. Tzinis and A. Potamianos. “Segment-based Speech Emotion Recognition Using Recurrent Neural Networks“. In Proc. of International Conference on Affective Computing and Intelligent Interaction (ACII), 23-26 October 2017, San Antonio, Texas, USA.

G. Velentzas, M. Khamassi and C. Tzafestas. “Bio–inspired Meta–learning for Active Exploration During Non–stationary Multi–armed Bandit Tasks“. Intelligent Systems Conference (IntelliSys), 7-8 September 2017, London, United Kingdom.

G. Paraskevopoulos, G. Karamanolakis, E. Iosif, A. Pikrakis and A. Potamianos. “Sensory-Aware Multimodal Fusion for Word Semantic Similarity Estimation“. MultiLearn Workshop, 2 September 2017, Kos, Greece. pdf

G. Karamanolakis, E. Iosif, A. Zlatintsi, A. Pikrakis and A. Potamianos. “Audio-based Distributional Semantic Models for Music Auto-tagging and Similarity Measurement“. MultiLearn Workshop, 2 September 2017, Kos, Greece. pdf

P. Papalampidi, E. Iosif and A. Potamianos. “Dialogue Act Semantic Representation and Classification Using Recurrent Neural Networks“. 21st Workshop on the Semantics and Pragmatics of Dialogue (SemDial), 15-17 August 2017, Saarbrucken, Germany. pdf

A. Kolovou, F. Kokkinos, A. Fergadis, P. Papalampidi, E. Iosif, N. Malandrakis, E. Palogiannidi, H. Papageorgiou, S. Narayanan and A. Potamianos. “Tweester at SemEval-2017 Task 4: Fusion of Semantic-Affective and Pairwise Classification Models for Sentiment Analysis in Twitter“. In Proc. of the 11th International Workshop on Semantic Evaluation (SemEval), pages 675–682, 3-4 August 2017, Vancouver, Canada. pdf

J. Pérolat, F. Strub, B. Piot and O. Pietquin. “Learning Nash Equilibrium for General-Sum Markov Games from Batch Data“. 20th International Conference on Artificial Intelligence and Statistics (AISTATS), 20-22 April 2017, Fort Lauderdale, Florida, USA. pdf

M. Khamassi, G. Velentzas, T. Tsitsimis and C. Tzafestas. “Active Exploration and Parameterized Reinforcement Learning Applied to a Simulated Human-Robot Interaction Task“. The First IEEE International Conference on Robotic Computing (Robotic Computing 2017), Taichung, Taiwan, 10-12 April 2017. link

F. Kokkinos and A. Potamianos. “Structural Attention Neural Networks for Improved Sentiment Analysis“. 15th Conference of the European Chapter of the Association for Computational Linguistics (EACL), 3-7 April 2017, Valencia, Spain. pdf

A. Zaraki, K. Dautenhahn, L. Wood, O. Novanda and B. Robins. “Toward Autonomous Child-Robot Interaction: Development of an Interactive Architecture for the Humanoid Kaspar Robot“. 3rd Workshop on Child-Robot Interaction (CRI2017) in International Conference on Human Robot Interaction (ACM/IEEE HRI 2017), 6-9 March 2017, Vienna, Austria. pdf

J. Hemminghaus and S. Kopp. “Towards Adaptive Social Behavior Generation for Assistive Robots Using Reinforcement Learning“. International Conference on Human Robot Interaction (ACM/IEEE HRI 2017), 6-9 March 2017, Vienna, Austria. link

G. Skantze. “Predicting and Regulating Participation Equality in Human-robot Conversations: Effects of Age and Gender“. International Conference on Human-Robot Interaction (ACM/IEEE HRI 2017), 6-9 March 2017, Vienna, Austria. link

A. Chorianopoulou, E. Tzinis, E. Iosif, A. Papoulidi, C. Papailiou and A. Potamianos. “Engagement Detection for Children with Autism Spectrum Disorder“. IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 5-9 March 2017, New Orleans, USA. link

M. Khamassi and C. Tzafestas. “Active Exploration in Parameterized Reinforcement Learning“. (https://arxiv.org/abs/1610.01986) pdf

G. Karamanolakis, E. Iosif, A. Zlatintsi, A. Pikrakis and A. Potamianos. “Audio-based Distributional Semantic Models for Music Auto-tagging and Similarity Measurement“. (https://arxiv.org/abs/1612.08391) pdf

S. Thermos and G. Potamianos. “Audio-visual Speech Activity Detection in a Two-speaker Scenario Incorporating Depth Information from a Profile or Frontal View”. IEEE Workshop on Spoken Language Technology (SLT), 13-16 December 2016, San Diego, California, USA. link

J. Pérolat, B. Piot and O. Pietquin. “A Study of Value Iteration with Non-Stationary Strategies in General Sum Markov Games“. NIPS Workshop on Learning, Inference and Control of Multi-Agent Systems (MALIC), 9 December 2016, Barcelona, Spain. pdf

B. Piot, M. Geist and O. Pietquin. “Batch Policy Iteration for Continuous Domains“. 13th European Workshop of Reinforcement Learning (EWRL), 3-4 December 2016 , Barcelona, Spain. pdf

C. Oertel, J. Gustafson and A. Black. “On Data Driven Parametric Backchannel Synthesis for Expressing Attentiveness in Conversational Agents“. Multimodal Analyses Enabling Artificial Agents in Human-Machine Interaction (MA3HMI, satellite workshop of ICMI), 16 November 2016, Tokyo, Japan. link

C. Oertel, J. Lopes, Y. Yu, K. Funes, J. Gustafson, A. Black and J-M. Odobez. “Towards Building an Attentive Artificial Listener: On the Perception of Attentiveness in Audio-Visual Feedback Tokens“. 18th ACM International Conference on Multimodal Interaction (ICMI), 12-16 November 2016, Tokyo, Japan. link

F. Kirstein and R. Risager. “Experiences from Long-Term Implementation of Social Robots in Danish Educational Institutions“. Co-Designing Children-Robot-Interaction Workshop at Robophilosophy, 18 October 2016, Aarhus, Denmark. link

F. Kirstein, T. Rubæk and J-E. Østergaard. “Exploring End-Users’ Needs Towards Personal Robots for Education“. Personal Robot Interaction Workshop at IROS, 14 October 2016, Daejeon, Korea.

G. Panagiotaropoulou, P. Koutras, A. Katsamanis, P. Maragos, A. Zlatintsi, A. Protopapas, E. Karavasilis and N. Smyrnis.  “FMRI-Based Perceptual Validation of A Computational Model For Visual and Auditory Saliency in Videos“. International Conference on Image Processing (ICIP), 25-28 September 2016, Phoenix, Arizona, USA. link

C. Oertel, J. Gustafson and A. Black. “Towards Building an Attentive Artificial Listener: On the Perception of Attentiveness in Feedback Utterances“. Interspeech, 8-12 September 2016, San Francisco, USA. pdf

A. Chorianopoulou, P. Koutsakis and A. Potamianos. “Speech Emotion Recognition Using Affective Saliency“. Interspeech, 8-12 September 2016, San Francisco, California, USA. pdf

G. Karamanolakis, E. Iosif, A. Zlatintsi, A. Pikrakis and A. Potamianos. “Audio-based Distributional Representations of Meaning Using a Fusion of Feature Encodings“. Interspeech, 8-12 September 2016, San Francisco, California, USA. pdf

P. Giannoulis, G. Potamianos, P. Maragos, and A. Katsamanis. “Improved Dictionary Selection and Detection Schemes in Sparse-CNMF-based Overlapping Acoustic Event Detection”. Detection and Classification of Acoustic Scenes and Events Workshop (DCASE), 3 September 2016, Budapest, Hungary. pdf

J. Pérolat, B. Piot, M. Geist, B. Scherrer and O. Pietquin. “Softened Approximate Policy Iteration for Markov Games“. International Conference of Machine Learning (ICML), 19-24 June 2016, New York, USA. pdf

E. Palogiannidi, A. Kolovou, F. Christopoulou, F. Kokkinos, E. Iosif, N. Malandrakis, H. Papageorgiou, S. Narayanan and A. Potamianos. “Tweester: Sentiment Analysis in Twitter using Semantic-Affective Model Adaptation”. International Workshop on Semantic Evaluation (SemEval’16), 16-17 June 2016, San Diego, California, USA. [Best system for shared evaluation task 4B] pdf

E. Palogiannidi, E. Iosif, P. Koutsakis and A. Potamianos. “A Semantic-Affective Compositional Approach for the Affective Labelling of Adjective-Noun and Noun-Noun Pairs”. 7th Workshop on Computational Approaches to Subjectivity, Sentiment and Social Media Analysis (WASSA), 16 June 2016, San Diego, California, USA. pdf

E. Iosif, S. Georgiladakis and A. Potamianos. “Cognitively Motivated Distributional Representations of Meaning”. 10th Language Resources and Evaluation Conference (LREC’16), 23-28 May 2016, Portorož, Slovenia. pdf

E. Iosif and A. Potamianos. “Crossmodal Network-Based Distributional Semantic Models”. 10th Language Resources and Evaluation Conference (LREC’16), 23-28 May 2016, Portorož, Slovenia. pdf

E. Palogiannidi, P. Koutsakis, E. Iosif and A. Potamianos. “Affective Lexicon Creation for the Greek Language”. 10th Language Resources and Evaluation Conference (LREC’16), 23-28 May 2016, Portorož, Slovenia. pdf

A. Potamianos, C. Tzafestas, E. Iosif, F. Kirstein, P. Maragos, K. Dauthenhahn, J. Gustafson, J-E. Østergaard, S. Kopp, P. Wik, O. Pietquin and S. Al Moubayed. “BabyRobot – Next Generation Social Robots: Enhancing Communication and Collaboration Development of TD and ASD Children by Developing and Commercially Exploiting the Next Generation of Human-Robot Interaction Technologies”. 2nd Workshop on Evaluating Child-Robot Interaction (CRI) at Human-Robot Interaction (HRI’16), 7 March 2016, Christchurch, New Zealand. pdf