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)

  • Georgia Chalvatzaki,  Xanthi S. Papageorgiou, Costas S. Tzafestas, Petros Maragos, Augmented Human State Estimation using Interacting Multiple Model Particle Filters with Probabilistic Data Association, IEEE International Conference on Robotics & 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