Robust Belief State Space Representation for Statistical Dialogue Managers Using Deep Autoencoders. - Fotios Lygerakis; Vassilios Diakoloukas; Michail Lagoudakis; Margarita Kotti (ASRU, 2019)

Evaluation of 3D markerless pose estimation accuracy using openpose and depth information from a single RGB-D camera. - Fotios Lygerakis; Athanasios C. Tsitos; Maria Dagioglou; Fillia Makedon; Vangelis Karkaletsis (PETRA, 2020)

Variational Denoising Autoencoders and Least-Squares Policy Iteration for Statistical Dialogue Managers. - Vassilios Diakoloukas; Fotios Lygerakis; Michail G. Lagoudakis; Margarita Kotti (IEEE Signal Process. Lett., 2020)

Sequential Late Fusion Technique for Multi-modal Sentiment Analysis. - Debapriya Banerjee; Fotios Lygerakis; Fillia Makedon (PETRA, 2021)

Accelerating Human-Agent Collaborative Reinforcement Learning. - Fotios Lygerakis; Maria Dagioglou; Vangelis Karkaletsis (PETRA, 2021)

CR-VAE: Contrastive Regularization on Variational Autoencoders for Preventing Posterior Collapse. - Fotios Lygerakis; Elmar Rueckert (CoRR, 2023)

Multimodal Visual-Tactile Representation Learning through Self-Supervised Contrastive Pre-Training. - Vedant Dave; Fotios Lygerakis; Elmar Rueckert (ICRA, 2024)

M2CURL: Sample-Efficient Multimodal Reinforcement Learning via Self-Supervised Representation Learning for Robotic Manipulation. - Fotios Lygerakis; Vedant Dave; Elmar Rueckert (UR, 2024)

ED-VAE: Entropy Decomposition of ELBO in Variational Autoencoders. - Fotios Lygerakis; Elmar Rueckert (CoRR, 2024)

ViTaPEs: Visuotactile Position Encodings for Cross-Modal Alignment in Multimodal Transformers. - Fotios Lygerakis; Ozan Özdenizci; Elmar A. Rückert (CoRR, 2025)