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Tensor Methods in Computer Vision and Deep Learning


Jul 07, 2021
Yannis Panagakis, Jean Kossaifi, Grigorios G. Chrysos, James Oldfield, Mihalis A. Nicolaou, Anima Anandkumar, Stefanos Zafeiriou

* Proceedings of the IEEE (2021) 

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Poly-NL: Linear Complexity Non-local Layers with Polynomials


Jul 06, 2021
Francesca Babiloni, Ioannis Marras, Filippos Kokkinos, Jiankang Deng, Grigorios Chrysos, Stefanos Zafeiriou

* 11 pages, 4 figures 

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Analysing Affective Behavior in the second ABAW2 Competition


Jul 03, 2021
Dimitrios Kollias, Irene Kotsia, Elnar Hajiyev, Stefanos Zafeiriou

* arXiv admin note: substantial text overlap with arXiv:2001.11409 

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3D human tongue reconstruction from single "in-the-wild" images


Jun 23, 2021
Stylianos Ploumpis, Stylianos Moschoglou, Vasileios Triantafyllou, Stefanos Zafeiriou

* 10 pages, 9 figures 

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Fast-GANFIT: Generative Adversarial Network for High Fidelity 3D Face Reconstruction


May 16, 2021
Baris Gecer, Stylianos Ploumpis, Irene Kotsia, Stefanos Zafeiriou

* TPAMI camera ready (submitted: 05-May-2020); Check project page: https://github.com/barisgecer/GANFit. arXiv admin note: substantial text overlap with arXiv:1902.05978 

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Sample and Computation Redistribution for Efficient Face Detection


May 10, 2021
Jia Guo, Jiankang Deng, Alexandros Lattas, Stefanos Zafeiriou


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Distribution Matching for Heterogeneous Multi-Task Learning: a Large-scale Face Study


May 08, 2021
Dimitrios Kollias, Viktoriia Sharmanska, Stefanos Zafeiriou

* arXiv admin note: text overlap with arXiv:2103.15792, arXiv:1910.11111 

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DeepSatData: Building large scale datasets of satellite images for training machine learning models


May 06, 2021
Michail Tarasiou, Stefanos Zafeiriou

* 6 pages, 3 figures 

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Context-self contrastive pretraining for crop type semantic segmentation


Apr 09, 2021
Michail Tarasiou, Riza Alp Guler, Stefanos Zafeiriou

* 11 pages, 7 figures 

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Head2HeadFS: Video-based Head Reenactment with Few-shot Learning


Mar 30, 2021
Michail Christos Doukas, Mohammad Rami Koujan, Viktoriia Sharmanska, Stefanos Zafeiriou


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Affect Analysis in-the-wild: Valence-Arousal, Expressions, Action Units and a Unified Framework


Mar 29, 2021
Dimitrios Kollias, Stefanos Zafeiriou


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Speech Emotion Recognition using Semantic Information


Mar 04, 2021
Panagiotis Tzirakis, Anh Nguyen, Stefanos Zafeiriou, Björn W. Schuller

* ICASSP 2021 

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Binary Graph Neural Networks


Dec 31, 2020
Mehdi Bahri, Gaétan Bahl, Stefanos Zafeiriou


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OSTeC: One-Shot Texture Completion


Dec 30, 2020
Baris Gecer, Jiankang Deng, Stefanos Zafeiriou

* Project page: https://github.com/barisgecer/OSTeC 

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Shape My Face: Registering 3D Face Scans by Surface-to-Surface Translation


Dec 16, 2020
Mehdi Bahri, Eimear O' Sullivan, Shunwang Gong, Feng Liu, Xiaoming Liu, Michael M. Bronstein, Stefanos Zafeiriou

* In review with International Journal of Computer Vision (IJCV) 

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HeadGAN: Video-and-Audio-Driven Talking Head Synthesis


Dec 15, 2020
Michail Christos Doukas, Stefanos Zafeiriou, Viktoriia Sharmanska


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Learning to Generate Customized Dynamic 3D Facial Expressions


Jul 21, 2020
Rolandos Alexandros Potamias, Jiali Zheng, Stylianos Ploumpis, Giorgos Bouritsas, Evangelos Ververas, Stefanos Zafeiriou

* accepted at European Conference on Computer Vision 2020 (ECCV) 

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Deep Polynomial Neural Networks


Jun 20, 2020
Grigorios Chrysos, Stylianos Moschoglou, Giorgos Bouritsas, Jiankang Deng, Yannis Panagakis, Stefanos Zafeiriou

* Under review in T-PAMI. arXiv admin note: substantial text overlap with arXiv:2003.03828 

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Improving Graph Neural Network Expressivity via Subgraph Isomorphism Counting


Jun 16, 2020
Giorgos Bouritsas, Fabrizio Frasca, Stefanos Zafeiriou, Michael M. Bronstein


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ReenactNet: Real-time Full Head Reenactment


May 22, 2020
Mohammad Rami Koujan, Michail Christos Doukas, Anastasios Roussos, Stefanos Zafeiriou

* to be published in 15th IEEE International Conference on Automatic Face and Gesture Recognition (FG 2020) 

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Head2Head: Video-based Neural Head Synthesis


May 22, 2020
Mohammad Rami Koujan, Michail Christos Doukas, Anastasios Roussos, Stefanos Zafeiriou

* To be published in 15th IEEE International Conference on Automatic Face and Gesture Recognition (FG 2020) 

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DeepFaceFlow: In-the-wild Dense 3D Facial Motion Estimation


May 14, 2020
Mohammad Rami Koujan, Anastasios Roussos, Stefanos Zafeiriou

* to be published in the IEEE conference on Computer Vision and Pattern Recognition (CVPR). 2020 

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Geometrically Principled Connections in Graph Neural Networks


Apr 06, 2020
Shunwang Gong, Mehdi Bahri, Michael M. Bronstein, Stefanos Zafeiriou

* Presented at Computer Vision and Pattern Recognition (CVPR), 2020 

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Weakly-Supervised Mesh-Convolutional Hand Reconstruction in the Wild


Apr 04, 2020
Dominik Kulon, Riza Alp Güler, Iasonas Kokkinos, Michael Bronstein, Stefanos Zafeiriou

* Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition (CVPR 2020). Additional resources: https://arielai.com/mesh_hands 

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AvatarMe: Realistically Renderable 3D Facial Reconstruction "in-the-wild"


Mar 30, 2020
Alexandros Lattas, Stylianos Moschoglou, Baris Gecer, Stylianos Ploumpis, Vasileios Triantafyllou, Abhijeet Ghosh, Stefanos Zafeiriou

* Accepted to CVPR2020. Project page: github.com/lattas/AvatarMe with high resolution results, data and more. 10 pages, 9 figures 

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$Π-$nets: Deep Polynomial Neural Networks


Mar 26, 2020
Grigorios G. Chrysos, Stylianos Moschoglou, Giorgos Bouritsas, Yannis Panagakis, Jiankang Deng, Stefanos Zafeiriou

* Accepted in CVPR 2020 

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