Publications

Preprints

Urain, J., Funk, N., Peters, J., Chalvatzaki, G. (2022). SE (3)-DiffusionFields: Learning cost functions for joint grasp and motion optimization through diffusion. arXiv preprint arXiv:2209.03855.

Tianyu Ren, Georgia Chalvatzaki, Jan Peters, Extended Task and Motion Planning of
Long-horizon Robot Manipulation.

Georgia Chalvatzaki, Nikolaos Gkanatsios, Petros Maragos, Jan Peters, Orientation Attentive Robotic Grasp Synthesis with Augmented Grasp Map Representation, code

2022

Belousov, B.; Wibranek, B.; Schneider, J.; Schneider, T.; Chalvatzaki, G.; Peters, J.; Tessmann, O. (2022). Robotic Architectural Assembly with Tactile Skills: Simulation and Optimization, Automation in Construction, 133, pp.104006.

Liu, P., Zhang, K., Tateo, D., Jauhri, S., Peters, J. and Chalvatzaki, G. (2022). Regularized Deep Signed Distance Fields for Reactive Motion Generation.  IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS).

Jauhri, S., Peters, J. and Chalvatzaki, G., (2022). Robot Learning of Mobile Manipulation with Reachability Behavior Priors, IEEE Robotics and Automation Letters, and IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS).

Dam, T.; Chalvatzaki, G.; Peters, J.; Pajarinen J. (2022). Monte-Carlo Robot Path Planning, IEEE Robotics and Automation Letters, and 2022 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS).   Download Article BibTeX Reference

Belousov, B.; Wibranek, B.; Schneider, J.; Schneider, T.; Chalvatzaki, G.; Peters, J.; Tessmann, O. (2022). Robotic Architectural Assembly with Tactile Skills: Simulation and Optimization, Automation in Construction, 133, pp.104006.   Download Article BibTeX Reference

D`Eramo, C.; Chalvatzaki, G. (2022). Prioritized Sampling with Intrinsic Motivation in Multi-Task Reinforcement Learning, International Joint Conference on Neural Networks (IJCNN).   BibTeX Reference

Urain, J.; Le, A.T.; Lambert, A.; Chalvatzaki, G.; Boots, B.; Peters, J. (2022). Learning Implicit Priors for Motion Optimization, IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS).   Download Article BibTeX Reference

Funk, N.; Menzenbach, S.; Chalvatzaki, G.; Peters, J. (2022). Graph-based Reinforcement Learning meets Mixed Integer Programs: An application to 3D robot assembly discovery, IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS).   Download Article BibTeX Reference

I. Asmanis, P. Mermigkas, G. Chalvatzaki, J. Peters and P. Maragos, “A Semantic Enhancement of Unified Geometric Representations for Improving Indoor Visual SLAM,” 2022 19th International Conference on Ubiquitous Robots (UR), 2022.

2021

Funk, N.; Chalvatzaki, G.; Belousov, B.; Peters, J. (2021). Learn2Assemble with Structured Representations and Search for Robotic Architectural Construction, Conference on Robot Learning (CoRL).  

Danai Efstathiou, Georgia Chalvatzaki, Athanasios Dometios, Dionisios Spiliopoulos, Costas S. Tzafestas, Deep Leg Tracking by Detection and Gait Analysis in 2D Range Datafor Intelligent Robotic Assistants, IEEE International Conference on Intelligent Robots and Systems (IROS) 2021.

Andrew Morgan, Daljeet Nandha, Georgia Chalvatzaki, Carlo D’Eramo, Aaron Dollar, Jan Peters, Model Predictive Actor-Critic: Accelerating Robot Skill Acquisition with Deep Reinforcement Learning, IEEE International Conference on Robotics & Automation (ICRA) 2021. code

Samuele Tosatto, Georgia Chalvatzaki, Jan Peters, Contextual Latent-Movements Off-Policy Optimization for Robotic Manipulation Skills, IEEE International Conference on Robotics & Automation (ICRA) 2021. code

Qin Li, Georgia Chalvatzaki, Jan Peters, Yong Wang, Directed Acyclic Graph Neural Network for Human Motion Prediction, IEEE International Conference on Robotics & Automation (ICRA) 2021. code

2020

Nikolaos Gkanatsios, Georgia Chalvatzaki, Petros Maragos, Jan Peters, Revisiting Grasp Map Representation with a Focus on Orientation in Grasp Synthesis, Workshop on Visual Learning and Reasoning for Robotic Manipulation, Robotics: Science and Systems Conference (RSS) 2020.

Georgia Chalvatzaki*, Petros Koutras*, Antigoni Tsiami*, Costas S. Tzafestas, Petros Maragos, i-Walk Intelligent Assessment System: Activity, Mobility, Intention, Communication, European Conference on Computer Vision (ECCV) 2020.

Isidoros Marougkas, Petros Koutras, Nikolaos Kardaris, Georgios Retsinas, Georgia Chalvatzaki, Petros Maragos, How to track your dragon: A multi-attentional framework for real-time RGB-D 6-DOF object pose tracking, European Conference on Computer Vision (ECCV) 2020.

2019

Georgia Chalvatzaki, Xanthi S. Papageorgiou, Costas S. Tzafestas, Petros Maragos,
Learn to adapt to human walking: A Model-based Reinforcement Learning Approach for a Robotic Assistant Rollator, Robotics & Automation Letters (RAL) and IEEE International Conference on Intelligent Robotics (IROS) 2019.

Jack Hadfield, Georgia Chalvatzaki, Petros Koutras, Mehdi Khamassi, Costas S. Tzafestas, Petros Maragos, A Deep Learning Approach for Multi-View Engagement Estimation of Children in a Child-Robot Joint Attention task, IEEE International Conference on Intelligent Robotics (IROS) 2019.

Georgia Chalvatzaki, Petros Koutras, Jack Hadfield, Xanthi S Papageorgiou, Costas S. Tzafestas, Petros Maragos, LSTM-based Network for Human Gait Stability Prediction in an Intelligent Robotic Rollator, IEEE International Conference on Robotics and Automation (ICRA), 2019.

Petros Koutras, Georgia Chalvatzaki, Costas S. Tzafestas and Petros Maragos, 3D
Pose-based Activity Recognition of Elderly People Interacting with a Robotic Assistive Rollator, IEEE International Conference on Image Processing (ICIP), 2019.

Georgia Chalvatzaki, Xanthi S. Papageorgiou, Petros Maragos, Costas S. Tzafestas,
Comparing the Impact of Robotic Rollator Control Schemes on Elderly Gait using online LRF-based Gait Analysis, A Workshop on Mobile Robot Assistants for the Elderly (MoRobAE) in IEEE International Conference on Robotics and Automation (ICRA), 2019.

Xanthi S. Papageorgiou, Georgia Chalvatzaki, Eleni Efthimiou, Stavroula-Evita Fotinea, Alexandra Karavasili, Costas Tzafestas, Petros Maragos, Anna Vacalopoulou and Theodore Goulas, User Centered HRI Design for an Intelligent Robotic Rollator, A Workshop on Mobile Robot Assistants for the Elderly (MoRobAE) in IEEE International Conference on Robotics and Automation (ICRA), 2019.

2018

Mehdi Khamassi, Georgia Chalvatzaki, Theodore Tsitsimis, Georgios Velentzas, Costas S. Tzafestas, A framework for robot learning during child-robot interaction with human engagement as reward signal, International Conference on Robot and Human Interactive Communication (RO-MAN), 2018 (Best paper award).

Mehdi Khamassi, Georgia Chalvatzaki, Theodore Tsitsimis, Georgios Velentzas, Costas S. Tzafestas, An Extended framework for robot learning during child-robot interaction with human engagement as reward signal, 3rd Workshop on Behavior Adaptation, Interaction and Learning for Assistive Robotics (BAILAR), International Conference on Robot and Human Interactive Communication (ROMAN), 2018.

Georgia Chalvatzaki, Xanthi S. Papageorgiou, Costas S. Tzafestas, Petros Maragos, Augmented Human State Estimation using Interacting Multiple Model Particle Filters with Probabilistic Data Association, Robotics & Automation Letters (RAL) and IEEE International Conference on Robotics & Automation (ICRA), 2018.

Georgia Chalvatzaki, Xanthi S. Papageorgiou, Petros Maragos, Costas S. Tzafestas, User-Adaptive Human-Robot Formation Control for an Intelligent Robotic Walker using Augmented Human State Estimation and Pathological Gait Characterization, IEEE International Conference on Intelligent Robotics (IROS), 2018.

Xanthi S. Papageorgiou, Georgia Chalvatzaki, Athanasios C. Dometios, Costas S. Tzafestas, Human-Centered Service Robotic Systems for Assisted Living, International Conference on Robotics in Alpe-Adria-Danube (RAAD), 2018.

2017

Georgia Chalvatzaki, Xanthi S. Papageorgiou, Costas S. Tzafestas, Petros Maragos, Comparative Experimental Validation of Human Gait Tracking Algorithms for an Intelligent Robotic Rollator, IEEE International Conference on Robotics and Automation (ICRA), 2017.

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, IEEE International Conference on Intelligent Robotics (IROS), 2017.

Georgia Chalvatzaki, Xanthi S. Papageorgiou, Costas S. Tzafestas, Petros Maragos, Estimating Double Support in Pathological Gaits using an HMM-based Analyzer for an Intelligent Robotic Walker, IEEE International Symposium on Robot and Human Communication (ROMAN), 2017.

2016

2015

2014