publications

2025

  1. zipper_16fps_240.gif
    Fast Flow-based Visuomotor Policies via Conditional Optimal Transport Couplings
    Andreas Sochopoulos , Nikolay Malkin , Nikolaos Tsagkas , João Moura , Michael Gienger , and Sethu Vijayakumar
    In ArXiv Preprint , 2025
    arXiv HTML Code
  2. pvrobo_thumbnail_distractors_short.gif
    When Pre-trained Visual Representations Fall Short: Limitations in Visuo-Motor Robot Learning [Oral EAI@CVPR25]
    Nikolaos Tsagkas , Andreas Sochopoulos , Duolikun Danier , Chris Xiaoxuan Lu , and Oisin Mac Aodha
    In ArXiv Preprint , 2025
    arXiv HTML Code

2024

  1. affordance_thumbnail_150.gif
    Learning Precise Affordances from Egocentric Videos for Robotic Manipulation
    Gen Li , Nikolaos Tsagkas , Jifei Song , Ruaridh Mon-Williams , Sethu Vijayakumar , Kun Shao , and Laura Sevilla-Lara
    In ArXiv Preprint , 2024
    arXiv HTML
  2. c2g_thumbnail_150.gif
    Click to Grasp: Zero-Shot Precise Manipulation via Visual Diffusion Descriptors [Oral Pitch + Poster]
    Nikolaos Tsagkas , Jack Rome , Subramanian Ramamoorthy , Oisin Mac Aodha , and Chris Xiaoxuan Lu
    In IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), Abu Dhabi, UAE , 2024
    arXiv HTML Code

2023

  1. vl-fields_thumbnail.gif
    VL-Fields: Towards Language-Grounded Neural Implicit Spatial Representations [Spotlight Talk + Poster]
    Nikolaos Tsagkas , Oisin Mac Aodha , and Chris Xiaoxuan Lu
    In ICRA Workshops, London, UK , 2023
    arXiv HTML
  2. ecgm_thumbnail.gif
    Inference and Learning for Generative Capsule Models
    Alfredo Nazabal* , Nikolaos Tsagkas* , and Christopher K. I. Williams
    Neural Computation, 2023
    arXiv Code

2022

  1. Inference for Generative Capsule Models
    Alfredo Nazabal , Nikolaos Tsagkas , and Christopher K. I. Williams
    ArXiv Preprint, 2022

2019

  1. semg_thumbnail.gif
    On the Use of Deeper CNNs in Hand Gesture Recognition Based on sEMG Signals [Oral Presentation]
    Nikolaos Tsagkas , Panagiotis Tsinganos , and Athanassios Skodras
    In 10th International Conference on Information, Intelligence, Systems and Applications (IISA), Patras, Greece , 2019
    PDF Code