Publications (161)
$Î -$nets: Deep Polynomial Neural Networks
Grigorios G. Chrysos, Stylianos Moschoglou, Giorgos Bouritsas +3
DeepSatData: Building large scale datasets of satellite images for training machine learning models
Michail Tarasiou, Stefanos Zafeiriou
HeadGAN: One-shot Neural Head Synthesis and Editing
Michail Christos Doukas, Stefanos Zafeiriou, Viktoriia Sharmanska
An Anatomy of Vision-Language-Action Models: From Modules to Milestones and Challenges
Chao Xu, Suyu Zhang, Yang Liu +11
Dyn-HaMR: Recovering 4D Interacting Hand Motion from a Dynamic Camera
Zhengdi Yu, Stefanos Zafeiriou, Tolga Birdal
Improving face generation quality and prompt following with synthetic captions
Michail Tarasiou, Stylianos Moschoglou, Jiankang Deng +1
PRISM: A Unified Framework for Photorealistic Reconstruction and Intrinsic Scene Modeling
Alara Dirik, Tuanfeng Wang, Duygu Ceylan +2
3D human tongue reconstruction from single "in-the-wild" images
Stylianos Ploumpis, Stylianos Moschoglou, Vasileios Triantafyllou +1
Geometrically Principled Connections in Graph Neural Networks
Shunwang Gong, Mehdi Bahri, Michael M. Bronstein +1
Fast Multilevel Algorithms for Compressive Principle Component Pursuit
Vahan Hovhannisyan, Yannis Panagakis, Panos Parpas +1
Extracting deep local features to detect manipulated images of human faces
Michail Tarasiou, Stefanos Zafeiriou
VisualFLIP: Do Predictions Depend on Task-Critical Visual Evidence in Multimodal Reasoning?
Didi Zhu, Changrui Chen, Stefanos Zafeiriou +1
ImHead: A Large-scale Implicit Morphable Model for Localized Head Modeling
Rolandos Alexandros Potamias, Stathis Galanakis, Jiankang Deng +2
Are Large Brainwave Foundation Models Capable Yet? Insights from Fine-tuning
Na Lee, Konstantinos Barmpas, Yannis Panagakis +3
HO-Flow: Generalizable Hand-Object Interaction Generation with Latent Flow Matching
Zerui Chen, Rolandos Alexandros Potamias, Shizhe Chen +3
Learning to Generate Customized Dynamic 3D Facial Expressions
Rolandos Alexandros Potamias, Jiali Zheng, Stylianos Ploumpis +3
Informed Non-convex Robust Principal Component Analysis with Features
Niannan Xue, Jiankang Deng, Yannis Panagakis +1
Synthesizing Coupled 3D Face Modalities by Trunk-Branch Generative Adversarial Networks
Baris Gecer, Alexander Lattas, Stylianos Ploumpis +4
Motion deblurring of faces
Grigorios G. Chrysos, Paolo Favaro, Stefanos Zafeiriou
The 6th Affective Behavior Analysis in-the-wild (ABAW) Competition
Dimitrios Kollias, Panagiotis Tzirakis, Alan Cowen +6
Facial Geometric Detail Recovery via Implicit Representation
Xingyu Ren, Alexandros Lattas, Baris Gecer +4
UV-free Texture Generation with Denoising and Geodesic Heat Diffusions
Simone Foti, Stefanos Zafeiriou, Tolga Birdal
Distribution Matching for Heterogeneous Multi-Task Learning: a Large-scale Face Study
Dimitrios Kollias, Viktoriia Sharmanska, Stefanos Zafeiriou
End2You -- The Imperial Toolkit for Multimodal Profiling by End-to-End Learning
Panagiotis Tzirakis, Stefanos Zafeiriou, Bjorn W. Schuller
WiLoR: End-to-end 3D Hand Localization and Reconstruction in-the-wild
Rolandos Alexandros Potamias, Jinglei Zhang, Jiankang Deng +1
SliderGAN: Synthesizing Expressive Face Images by Sliding 3D Blendshape Parameters
Evangelos Ververas, Stefanos Zafeiriou
Locally Adaptive Neural 3D Morphable Models
Michail Tarasiou, Rolandos Alexandros Potamias, Eimear O'Sullivan +2
Geo-ID: Test-Time Geometric Consensus for Cross-View Consistent Intrinsics
Alara Dirik, Stefanos Zafeiriou
Physically-Based Face Rendering for NIR-VIS Face Recognition
Yunqi Miao, Alexandros Lattas, Jiankang Deng +2
3DGazeNet: Generalizing Gaze Estimation with Weak-Supervision from Synthetic Views
Evangelos Ververas, Polydefkis Gkagkos, Jiankang Deng +3
GraphWalks: Efficient Shape Agnostic Geodesic Shortest Path Estimation
Rolandos Alexandros Potamias, Alexandros Neofytou, Kyriaki-Margarita Bintsi +1
Inverse Image Frequency for Long-tailed Image Recognition
Konstantinos Panagiotis Alexandridis, Shan Luo, Anh Nguyen +2
3DMM-RF: Convolutional Radiance Fields for 3D Face Modeling
Stathis Galanakis, Baris Gecer, Alexandros Lattas +1
Stacked Dense U-Nets with Dual Transformers for Robust Face Alignment
Jia Guo, Jiankang Deng, Niannan Xue +1
Fast-GANFIT: Generative Adversarial Network for High Fidelity 3D Face Reconstruction
Baris Gecer, Stylianos Ploumpis, Irene Kotsia +1
Towards a complete 3D morphable model of the human head
Stylianos Ploumpis, Evangelos Ververas, Eimear O' Sullivan +6
AnimateMe: 4D Facial Expressions via Diffusion Models
Dimitrios Gerogiannis, Foivos Paraperas Papantoniou, Rolandos Alexandros Potamias +4
Visual Data Augmentation through Learning
Grigorios G. Chrysos, Yannis Panagakis, Stefanos Zafeiriou
Embodied Arena: A Comprehensive, Unified, and Evolving Evaluation Platform for Embodied AI
Fei Ni, Min Zhang, Pengyi Li +34
Photorealistic Facial Synthesis in the Dimensional Affect Space
Dimitrios Kollias, Shiyang Cheng, Maja Pantic +1
Deep Neural Network Augmentation: Generating Faces for Affect Analysis
Dimitrios Kollias, Shiyang Cheng, Evangelos Ververas +2
Side Information for Face Completion: a Robust PCA Approach
Niannan Xue, Jiankang Deng, Shiyang Cheng +2
Air Quality Downscaling with Station-Guided Pseudo-Supervision
Guorun Wang, Simone Foti, Andreas D. Demou +5
Robust Conditional Generative Adversarial Networks
Grigorios G. Chrysos, Jean Kossaifi, Stefanos Zafeiriou
Robust Kronecker Component Analysis
Mehdi Bahri, Yannis Panagakis, Stefanos Zafeiriou
ID-to-3D: Expressive ID-guided 3D Heads via Score Distillation Sampling
Francesca Babiloni, Alexandros Lattas, Jiankang Deng +1
RetinaFace: Single-stage Dense Face Localisation in the Wild
Jiankang Deng, Jia Guo, Yuxiang Zhou +3
MeshGAN: Non-linear 3D Morphable Models of Faces
Shiyang Cheng, Michael Bronstein, Yuxiang Zhou +3
DermaFlux: Synthetic Skin Lesion Generation with Rectified Flows for Enhanced Image Classification
Stathis Galanakis, Alexandros Koliousis, Stefanos Zafeiriou
Joint Multi-view Face Alignment in the Wild
Jiankang Deng, George Trigeorgis, Yuxiang Zhou +1
An Adversarial Neuro-Tensorial Approach For Learning Disentangled Representations
Mengjiao Wang, Zhixin Shu, Shiyang Cheng +3
Free-HeadGAN: Neural Talking Head Synthesis with Explicit Gaze Control
Michail Christos Doukas, Evangelos Ververas, Viktoriia Sharmanska +1
Synthesising 3D Facial Motion from "In-the-Wild" Speech
Panagiotis Tzirakis, Athanasios Papaioannou, Alexander Lattas +3
Combining 3D Morphable Models: A Large scale Face-and-Head Model
Stylianos Ploumpis, Haoyang Wang, Nick Pears +2
Training Deep Neural Networks with Different Datasets In-the-wild: The Emotion Recognition Paradigm
Dimitrios Kollias, Stefanos Zafeiriou
Beyond Accuracy: Robustness, Interpretability and Expressiveness of EEG Foundation Models
Urban Å irca, Maryam Alimardani, Stefanos Zafeiriou +1
ViTs for SITS: Vision Transformers for Satellite Image Time Series
Michail Tarasiou, Erik Chavez, Stefanos Zafeiriou
Advancing Brainwave Modeling with a Codebook-Based Foundation Model
Konstantinos Barmpas, Na Lee, Yannis Panagakis +3
Relightify: Relightable 3D Faces from a Single Image via Diffusion Models
Foivos Paraperas Papantoniou, Alexandros Lattas, Stylianos Moschoglou +1
Non-Negative Matrix Factorizations for Multiplex Network Analysis
Vladimir Gligorijevic, Yannis Panagakis, Stefanos Zafeiriou
A Unified Framework for Probabilistic Component Analysis
Mihalis A. Nicolaou, Stefanos Zafeiriou, Maja Pantic
Deep Face Restoration: A Survey
Tao Wang, Kaihao Zhang, Jiankang Deng +3
Poly-NL: Linear Complexity Non-local Layers with Polynomials
Francesca Babiloni, Ioannis Marras, Filippos Kokkinos +3
Side Information in Robust Principal Component Analysis: Algorithms and Applications
Niannan Xue, Yannis Panagakis, Stefanos Zafeiriou
Team Cogitat at NeurIPS 2021: Benchmarks for EEG Transfer Learning Competition
Stylianos Bakas, Siegfried Ludwig, Konstantinos Barmpas +5
Exploiting multi-CNN features in CNN-RNN based Dimensional Emotion Recognition on the OMG in-the-wild Dataset
Dimitrios Kollias, Stefanos Zafeiriou
Pixel Adaptive Filtering Units
Filippos Kokkinos, Ioannis Marras, Matteo Maggioni +2
Aff-Wild2: Extending the Aff-Wild Database for Affect Recognition
Dimitrios Kollias, Stefanos Zafeiriou
Improving Graph Neural Network Expressivity via Subgraph Isomorphism Counting
Giorgos Bouritsas, Fabrizio Frasca, Stefanos Zafeiriou +1
OSTeC: One-Shot Texture Completion
Baris Gecer, Jiankang Deng, Stefanos Zafeiriou
4DFAB: A Large Scale 4D Facial Expression Database for Biometric Applications
Shiyang Cheng, Irene Kotsia, Maja Pantic +1
Reconstructing the Noise Manifold for Image Denoising
Ioannis Marras, Grigorios G. Chrysos, Ioannis Alexiou +2
Latent Alignment with Deep Set EEG Decoders
Stylianos Bakas, Siegfried Ludwig, Dimitrios A. Adamos +3
Speech Emotion Recognition using Semantic Information
Panagiotis Tzirakis, Anh Nguyen, Stefanos Zafeiriou +1
A Comprehensive Performance Evaluation of Deformable Face Tracking "In-the-Wild"
Grigorios G. Chrysos, Epameinondas Antonakos, Patrick Snape +2
Neural 3D Morphable Models: Spiral Convolutional Networks for 3D Shape Representation Learning and Generation
Giorgos Bouritsas, Sergiy Bokhnyak, Stylianos Ploumpis +2
ReenactNet: Real-time Full Head Reenactment
Mohammad Rami Koujan, Michail Christos Doukas, Anastasios Roussos +1
Face frontalization for Alignment and Recognition
Christos Sagonas, Yannis Panagakis, Stefanos Zafeiriou +1
Automatic Sleep Stage Scoring with Single-Channel EEG Using Convolutional Neural Networks
Orestis Tsinalis, Paul M. Matthews, Yike Guo +1
ABAW: Valence-Arousal Estimation, Expression Recognition, Action Unit Detection & Emotional Reaction Intensity Estimation Challenges
Dimitrios Kollias, Panagiotis Tzirakis, Alice Baird +2
Face Video Generation from a Single Image and Landmarks
Kritaphat Songsri-in, Stefanos Zafeiriou
EEGminer: Discovering Interpretable Features of Brain Activity with Learnable Filters
Siegfried Ludwig, Stylianos Bakas, Dimitrios A. Adamos +3
Face Behavior a la carte: Expressions, Affect and Action Units in a Single Network
Dimitrios Kollias, Viktoriia Sharmanska, Stefanos Zafeiriou
Embedding Earth: Self-supervised contrastive pre-training for dense land cover classification
Michail Tarasiou, Stefanos Zafeiriou
Do You See What I Am Pointing At? Gesture-Based Egocentric Video Question Answering
Yura Choi, Roy Miles, Rolandos Alexandros Potamias +3
Geometric Neural Distance Fields for Learning Human Motion Priors
Zhengdi Yu, Simone Foti, Linguang Zhang +4
7th ABAW Competition: Multi-Task Learning and Compound Expression Recognition
Dimitrios Kollias, Stefanos Zafeiriou, Irene Kotsia +4
DeepFaceFlow: In-the-wild Dense 3D Facial Motion Estimation
Mohammad Rami Koujan, Anastasios Roussos, Stefanos Zafeiriou
Weakly-Supervised Mesh-Convolutional Hand Reconstruction in the Wild
Dominik Kulon, Riza Alp Güler, Iasonas Kokkinos +2
A Multi-component CNN-RNN Approach for Dimensional Emotion Recognition in-the-wild
Dimitrios Kollias, Stefanos Zafeiriou
Complement Face Forensic Detection and Localization with FacialLandmarks
Kritaphat Songsri-in, Stefanos Zafeiriou
Deep Affect Prediction in-the-wild: Aff-Wild Database and Challenge, Deep Architectures, and Beyond
Dimitrios Kollias, Panagiotis Tzirakis, Mihalis A. Nicolaou +5
Masked Face Recognition Challenge: The InsightFace Track Report
Jiankang Deng, Jia Guo, Xiang An +2
AvatarMe: Realistically Renderable 3D Facial Reconstruction "in-the-wild"
Alexandros Lattas, Stylianos Moschoglou, Baris Gecer +4
A Unified Framework for Compositional Fitting of Active Appearance Models
Joan Alabort-i-Medina, Stefanos Zafeiriou
EDFace-Celeb-1M: Benchmarking Face Hallucination with a Million-scale Dataset
Kaihao Zhang, Dongxu Li, Wenhan Luo +4
ILSH: The Imperial Light-Stage Head Dataset for Human Head View Synthesis
Jiali Zheng, Youngkyoon Jang, Athanasios Papaioannou +6
ReasonX: MLLM-Guided Intrinsic Image Decomposition
Alara Dirik, Tuanfeng Wang, Duygu Ceylan +2
GANFIT: Generative Adversarial Network Fitting for High Fidelity 3D Face Reconstruction
Baris Gecer, Stylianos Ploumpis, Irene Kotsia +1
Distribution Matching for Multi-Task Learning of Classification Tasks: a Large-Scale Study on Faces & Beyond
Dimitrios Kollias, Viktoriia Sharmanska, Stefanos Zafeiriou