Georgia Chalvatzaki

According to our database, Georgia Chalvatzaki authored at least 64 papers between 2014 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Safe and Efficient Path Planning Under Uncertainty via Deep Collision Probability Fields.

Felix Herrmann, Sebastian Zach, Jacopo Banfi, Jan Peters, Georgia Chalvatzaki, Davide Tateo

IEEE Robotics Autom. Lett., November, 2024

MoVEInt: Mixture of Variational Experts for Learning Human-Robot Interactions From Demonstrations.

Vignesh Prasad, Alap Kshirsagar, Dorothea Koert, Ruth Stock-Homburg, Jan Peters, Georgia Chalvatzaki

IEEE Robotics Autom. Lett., July, 2024

Evetac: An Event-Based Optical Tactile Sensor for Robotic Manipulation.

Niklas Funk, Erik Helmut, Georgia Chalvatzaki, Roberto Calandra, Jan Peters

IEEE Trans. Robotics, 2024

ActionFlow: Equivariant, Accurate, and Efficient Policies with Spatially Symmetric Flow Matching.

Niklas Funk, Julen Urain, Joao Carvalho, Vignesh Prasad, Georgia Chalvatzaki, Jan Peters

CoRR, 2024

Deep Generative Models in Robotics: A Survey on Learning from Multimodal Demonstrations.

Julen Urain, Ajay Mandlekar, Yilun Du, Mahi Shafiullah, Danfei Xu, Katerina Fragkiadaki, Georgia Chalvatzaki, Jan Peters

CoRR, 2024

Learning Multimodal Behaviors from Scratch with Diffusion Policy Gradient.

Zechu Li, Rickmer Krohn, Tao Chen, Anurag Ajay, Pulkit Agrawal, Georgia Chalvatzaki

CoRR, 2024

Active-Perceptive Motion Generation for Mobile Manipulation.

Snehal Jauhri, Sophie Lueth, Georgia Chalvatzaki

Proceedings of the IEEE International Conference on Robotics and Automation, 2024

Domain Randomization via Entropy Maximization.

Gabriele Tiboni, Pascal Klink, Jan Peters, Tatiana Tommasi, Carlo D'Eramo, Georgia Chalvatzaki

Proceedings of the Twelfth International Conference on Learning Representations, 2024

Robust Adversarial Reinforcement Learning via Bounded Rationality Curricula.

Aryaman Reddi, Maximilian Tölle, Jan Peters, Georgia Chalvatzaki, Carlo D'Eramo

Proceedings of the Twelfth International Conference on Learning Representations, 2024

Transition State Clustering for Interaction Segmentation and Learning.

Fabian Hahne, Vignesh Prasad, Alap Kshirsagar, Dorothea Koert, Ruth Maria Stock-Homburg, Jan Peters, Georgia Chalvatzaki

Proceedings of the Companion of the 2024 ACM/IEEE International Conference on Human-Robot Interaction, 2024

Kinematically Constrained Human-like Bimanual Robot-to-Human Handovers.

Yasemin Göksu, Antonio De Almeida Correia, Vignesh Prasad, Alap Kshirsagar, Dorothea Koert, Jan Peters, Georgia Chalvatzaki

Proceedings of the Companion of the 2024 ACM/IEEE International Conference on Human-Robot Interaction, 2024

2023

Diversity as a Game Changer for Successful Teams in RoboCup [Women in Engineering].

Daniel Leidner, Georgia Chalvatzaki, Karinne Ramirez-Amaro

IEEE Robotics Autom. Mag., March, 2023

Learning to reason over scene graphs: a case study of finetuning GPT-2 into a robot language model for grounded task planning.

Georgia Chalvatzaki, Ali Younes, Daljeet Nandha, An T. Le, Leonardo F. R. Ribeiro, Iryna Gurevych

Frontiers Robotics AI, February, 2023

Learning Multimodal Latent Dynamics for Human-Robot Interaction.

Vignesh Prasad, Lea Heitlinger, Dorothea Koert, Ruth Stock-Homburg, Jan Peters, Georgia Chalvatzaki

CoRR, 2023

Learning Any-View 6DoF Robotic Grasping in Cluttered Scenes via Neural Surface Rendering.

Snehal Jauhri, Ishikaa Lunawat, Georgia Chalvatzaki

CoRR, 2023

Accelerating Motion Planning via Optimal Transport.

An T. Le, Georgia Chalvatzaki, Armin Biess, Jan Peters

Proceedings of the Advances in Neural Information Processing Systems 36: Annual Conference on Neural Information Processing Systems 2023, 2023

Hierarchical Policy Blending As Optimal Transport.

An T. Le, Kay Hansel, Jan Peters, Georgia Chalvatzaki

Proceedings of the Learning for Dynamics and Control Conference, 2023

Placing by Touching: An Empirical Study on the Importance of Tactile Sensing for Precise Object Placing.

Luca Lach, Niklas Funk, Robert Haschke, Séverin Lemaignan, Helge Joachim Ritter, Jan Peters, Georgia Chalvatzaki

IROS, 2023

SE(3)-DiffusionFields: Learning smooth cost functions for joint grasp and motion optimization through diffusion.

Julen Urain, Niklas Funk, Jan Peters, Georgia Chalvatzaki

Proceedings of the IEEE International Conference on Robotics and Automation, 2023

Safe Reinforcement Learning of Dynamic High-Dimensional Robotic Tasks: Navigation, Manipulation, Interaction.

Puze Liu, Kuo Zhang, Davide Tateo, Snehal Jauhri, Zhiyuan Hu, Jan Peters, Georgia Chalvatzaki

Proceedings of the IEEE International Conference on Robotics and Automation, 2023

Hierarchical Policy Blending as Inference for Reactive Robot Control.

Kay Hansel, Julen Urain, Jan Peters, Georgia Chalvatzaki

Proceedings of the IEEE International Conference on Robotics and Automation, 2023

Entropy-driven Unsupervised Keypoint Representation Learning in Videos.

Ali Younes, Simone Schaub-Meyer, Georgia Chalvatzaki

Proceedings of the International Conference on Machine Learning, 2023

2022

The Value of Diversity in the Robotics and Automation Society [Women in Engineering].

Karinne Ramirez-Amaro, Daniel Leidner, Georgia Chalvatzaki

IEEE Robotics Autom. Mag., 2022

Robot Learning of Mobile Manipulation With Reachability Behavior Priors.

Snehal Jauhri, Jan Peters, Georgia Chalvatzaki

IEEE Robotics Autom. Lett., 2022

Monte-Carlo Robot Path Planning.

Tuan Dam, Georgia Chalvatzaki, Jan Peters, Joni Pajarinen

IEEE Robotics Autom. Lett., 2022

An information-theoretic approach to unsupervised keypoint representation learning.

Ali Younes, Simone Schaub-Meyer, Georgia Chalvatzaki

CoRR, 2022

Accelerating Integrated Task and Motion Planning with Neural Feasibility Checking.

Lei Xu, Tianyu Ren, Georgia Chalvatzaki, Jan Peters

CoRR, 2022

A Semantic Enhancement of Unified Geometric Representations for Improving Indoor Visual SLAM.

Ioannis Asmanis, Panagiotis Mermigkas, Georgia Chalvatzaki, Jan Peters, Petros Maragos

Proceedings of the 19th International Conference on Ubiquitous Robots, 2022

Learning Implicit Priors for Motion Optimization.

Julen Urain, An T. Le, Alexander Lambert, Georgia Chalvatzaki, Byron Boots, Jan Peters

Proceedings of the IEEE/RSJ International Conference on Intelligent Robots and Systems, 2022

Active Exploration for Robotic Manipulation.

Tim Schneider, Boris Belousov, Georgia Chalvatzaki, Diego Romeres, Devesh K. Jha, Jan Peters

Proceedings of the IEEE/RSJ International Conference on Intelligent Robots and Systems, 2022

Regularized Deep Signed Distance Fields for Reactive Motion Generation.

Puze Liu, Kuo Zhang, Davide Tateo, Snehal Jauhri, Jan Peters, Georgia Chalvatzaki

Proceedings of the IEEE/RSJ International Conference on Intelligent Robots and Systems, 2022

Graph-based Reinforcement Learning meets Mixed Integer Programs: An application to 3D robot assembly discovery.

Niklas Funk, Svenja Menzenbach, Georgia Chalvatzaki, Jan Peters

Proceedings of the IEEE/RSJ International Conference on Intelligent Robots and Systems, 2022

Prioritized Sampling with Intrinsic Motivation in Multi-Task Reinforcement Learning.

Carlo D'Eramo, Georgia Chalvatzaki

Proceedings of the International Joint Conference on Neural Networks, 2022

MILD: Multimodal Interactive Latent Dynamics for Learning Human-Robot Interaction.

Vignesh Prasad, Dorothea Koert, Ruth Stock-Homburg, Jan Peters, Georgia Chalvatzaki

Proceedings of the 21st IEEE-RAS International Conference on Humanoid Robots, 2022

2021

The i-Walk Lightweight Assistive Rollator: First Evaluation Study.

George Moustris, Nikolaos Kardaris, Antigoni Tsiami, Georgia Chalvatzaki, Petros Koutras, Athanasios Dometios, Paris Oikonomou, Costas S. Tzafestas, Petros Maragos, Eleni Efthimiou, Xanthi S. Papageorgiou, Stavroula-Evita Fotinea, Yiannis Koumpouros, Anna Vacalopoulou, Effie Papageorgiou, Alexandra Karavasili, Foteini Koureta, Dimitris Dimou, Alexandros Nikolakakis, Konstantinos Karaiskos, Panagiotis Mavridis

Frontiers Robotics AI, 2021

Extended Task and Motion Planning of Long-horizon Robot Manipulation.

Tianyu Ren, Georgia Chalvatzaki, Jan Peters

CoRR, 2021

Deep Leg Tracking by Detection and Gait Analysis in 2D Range Data for Intelligent Robotic Assistants.

Danai Efstathiou, Georgia Chalvatzaki, Athanasios Dometios, Dionisios Spiliopoulos, Costas S. Tzafestas

Proceedings of the IEEE/RSJ International Conference on Intelligent Robots and Systems, 2021

Contextual Latent-Movements Off-Policy Optimization for Robotic Manipulation Skills.

Samuele Tosatto, Georgia Chalvatzaki, Jan Peters

Proceedings of the IEEE International Conference on Robotics and Automation, 2021

Model Predictive Actor-Critic: Accelerating Robot Skill Acquisition with Deep Reinforcement Learning.

Andrew S. Morgan, Daljeet Nandha, Georgia Chalvatzaki, Carlo D'Eramo, Aaron M. Dollar, Jan Peters

Proceedings of the IEEE International Conference on Robotics and Automation, 2021

Directed Acyclic Graph Neural Network for Human Motion Prediction.

Qin Li, Georgia Chalvatzaki, Jan Peters, Yong Wang

Proceedings of the IEEE International Conference on Robotics and Automation, 2021

Learn2Assemble with Structured Representations and Search for Robotic Architectural Construction.

Niklas Funk, Georgia Chalvatzaki, Boris Belousov, Jan Peters

Proceedings of the Conference on Robot Learning, 8-11 November 2021, London, UK., 2021

2020

Orientation Attentive Robot Grasp Synthesis.

Nikolaos Gkanatsios, Georgia Chalvatzaki, Petros Maragos, Jan Peters

CoRR, 2020

The I-Walk Assistive Robot - A Multimodal Intelligent Robotic Rollator Providing Cognitive and Mobility Assistance to the Elderly and Motor-Impaired.

George Moustris, Nikolaos Kardaris, Antigoni Tsiami, Georgia Chalvatzaki, Petros Koutras, Athanasios Dometios, Paris Oikonomou, Costas S. Tzafestas, Petros Maragos, Eleni Efthimiou, Xanthi S. Papageorgiou, Stavroula-Evita Fotinea, Yiannis Koumpouros, Anna Vacalopoulou, Alexandra Karavasili, Alexandros Nikolakakis, Konstantinos Karaiskos, Panagiotis Mavridis

Proceedings of the Human-Friendly Robotics 2020 - 13th International Workshop, 2020

How to Track Your Dragon: A Multi-attentional Framework for Real-Time RGB-D 6-DOF Object Pose Tracking.

Isidoros Marougkas, Petros Koutras, Nikolaos Kardaris, Georgios Retsinas, Georgia Chalvatzaki, Petros Maragos

Proceedings of the Computer Vision - ECCV 2020 Workshops, 2020

i-Walk Intelligent Assessment System: Activity, Mobility, Intention, Communication.

Georgia Chalvatzaki, Petros Koutras, Antigoni Tsiami, Costas S. Tzafestas, Petros Maragos

Proceedings of the Computer Vision - ECCV 2020 Workshops, 2020

2019

Ανθρωποκεντρική μοντελοποίηση με εφαρμογή στη ρομποτική υποβοήθησης: στοχαστική εκτίμηση και ρομποτική μάθηση στη λήψη αποφάσεων

Georgia Chalvatzaki

PhD thesis, 2019

Learn to Adapt to Human Walking: A Model-Based Reinforcement Learning Approach for a Robotic Assistant Rollator.

Georgia Chalvatzaki, Xanthi S. Papageorgiou, Petros Maragos, Costas S. Tzafestas

IEEE Robotics Autom. Lett., 2019

A Deep Learning Approach for Multi-View Engagement Estimation of Children in a Child-Robot Joint Attention Task.

Jack Hadfield, Georgia Chalvatzaki, Petros Koutras, Mehdi Khamassi, Costas S. Tzafestas, Petros Maragos

Proceedings of the 2019 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2019

LSTM-based Network for Human Gait Stability Prediction in an Intelligent Robotic Rollator.

Georgia Chalvatzaki, Petros Koutras, Jack Hadfield, Xanthi S. Papageorgiou, Costas S. Tzafestas, Petros Maragos

Proceedings of the International Conference on Robotics and Automation, 2019

Video Processing and Learning in Assistive Robotic Applications.

Petros Koutras, Georgia Chalvatzaki, Antigoni Tsiami, Alexandros Nikolakakis, Costas S. Tzafestas, Petros Maragos

Proceedings of the 2019 IEEE International Conference on Image Processing, 2019

2018

Augmented Human State Estimation Using Interacting Multiple Model Particle Filters With Probabilistic Data Association.

Georgia Chalvatzaki, Xanthi S. Papageorgiou, Costas S. Tzafestas, Petros Maragos

IEEE Robotics Autom. Lett., 2018

On-line Human Gait Stability Prediction using LSTMs for the fusion of Deep-based Pose Estimation and LRF-based Augmented Gait State Estimation in an Intelligent Robotic Rollator.

Georgia Chalvatzaki, Petros Koutras, Jack Hadfield, Xanthi S. Papageorgiou, Costas S. Tzafestas, Petros Maragos

CoRR, 2018

A Framework for Robot Learning During Child-Robot Interaction with Human Engagement as Reward Signal.

Mehdi Khamassi, Georgia Chalvatzaki, Theodore Tsitsimis, George Velentzas, Costas S. Tzafestas

Proceedings of the 27th IEEE International Symposium on Robot and Human Interactive Communication, 2018

User-Adaptive Human-Robot Formation Control for an Intelligent Robotic Walker Using Augmented Human State Estimation and Pathological Gait Characterization.

Georgia Chalvatzaki, Xanthi S. Papageorgiou, Petros Maragos, Costas S. Tzafestas

Proceedings of the 2018 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2018

2017

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

Georgia Chalvatzaki, Xanthi S. Papageorgiou, Costas S. Tzafestas, Petros Maragos

Proceedings of the 26th IEEE International Symposium on Robot and Human Interactive Communication, 2017

Intelligent Assistive Robotic Systems for the elderly: Two real-life use cases.

Xanthi S. Papageorgiou, Georgia Chalvatzaki, Athanasios Dometios, Costas S. Tzafestas, Petros Maragos

Proceedings of the 10th International Conference on PErvasive Technologies Related to Assistive Environments, 2017

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

Georgia Chalvatzaki, Xanthi S. Papageorgiou, Costas S. Tzafestas

Proceedings of the 2017 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2017

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

Georgia Chalvatzaki, Xanthi S. Papageorgiou, Costas S. Tzafestas, Petros Maragos

Proceedings of the 2017 IEEE International Conference on Robotics and Automation, 2017

2016

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

Georgia Chalvatzaki, Xanthi S. Papageorgiou, Christian Werner, Klaus Hauer, Costas S. Tzafestas, Petros Maragos

Proceedings of the 24th Mediterranean Conference on Control and Automation, 2016

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

Xanthi S. Papageorgiou, Georgia Chalvatzaki, Konstantinos-Nektarios Lianos, Christian Werner, Klaus Hauer, Costas S. Tzafestas, Petros Maragos

Proceedings of the 6th IEEE International Conference on Biomedical Robotics and Biomechatronics, 2016

2015

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

Xanthi S. Papageorgiou, Georgia Chalvatzaki, Costas S. Tzafestas, Petros Maragos

Proceedings of the 2015 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2015

2014

Towards an intelligent robotic walker for assisted living using multimodal sensorial data.

Georgia Chalvatzaki, Georgios Pavlakos, Kevis-Kokitsi Maninis, Xanthi S. Papageorgiou, Vassilis Pitsikalis, Costas S. Tzafestas, Petros Maragos

Proceedings of the 4th International Conference on Wireless Mobile Communication and Healthcare: "Transforming healthcare through innovations in mobile and wireless technologies", 2014

Hidden Markov modeling of human normal gait using laser range finder for a mobility assistance robot.

Xanthi S. Papageorgiou, Georgia Chalvatzaki, Costas S. Tzafestas, Petros Maragos

Proceedings of the 2014 IEEE International Conference on Robotics and Automation, 2014

Advances in Intelligent Mobility Assistance Robot Integrating Multimodal Sensory Processing.

Xanthi S. Papageorgiou, Costas S. Tzafestas, Petros Maragos, Georgios Pavlakos, Georgia Chalvatzaki, George Moustris, Iasonas Kokkinos, Angelika Peer, Bartlomiej Stanczyk, Evita-Stavroula Fotinea, Eleni Efthimiou

Proceedings of the Universal Access in Human-Computer Interaction. Aging and Assistive Environments, 2014