Georgios Tzimiropoulos

230 papers A* 43A 11B 13Misc 8Journal 123Unranked 32

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	CycleCap: Improving VLMs Captioning Performance via Self-Supervised Cycle Consistency Fine-Tuning. CoRR Marios Krestenitis, Christos Tzelepis, Konstantinos Ioannidis, Stefanos Vrochidis, Ioannis Kompatsiaris, Georgios Tzimiropoulos, Shaogang Gong, Ioannis Patras
2026	J	`jnl`	Deconstructing the Failure of Ideal Noise Correction: A Three-Pillar Diagnosis. CoRR Chen Feng, Zhuo Zhi, Zhao Huang, Jia-Wei Ge, Ling Xiao, Nicu Sebe, Georgios Tzimiropoulos, Ioannis Patras
2026	J	`jnl`	More Images, More Problems? A Controlled Analysis of VLM Failure Modes. CoRR Anurag Das, Adrian Bulat, Alberto Baldrati, Ioannis Maniadis Metaxas, Bernt Schiele, Georgios Tzimiropoulos, Brais Martínez
2026	J	`jnl`	Restore, Assess, Repeat: A Unified Framework for Iterative Image Restoration. CoRR I-Hsiang Chen, Isma Hadji, Enrique Sanchez, Adrian Bulat, Sy-Yen Kuo, Radu Timofte, Georgios Tzimiropoulos, Brais Martínez
2026	J	`jnl`	VISion On Request: Enhanced VLLM efficiency with sparse, dynamically selected, vision-language interactions. CoRR Adrian Bulat, Alberto Baldrati, Ioannis Maniadis Metaxas, Yassine Ouali, Georgios Tzimiropoulos
2025	B	`conf`	DiffusionAct: Controllable Diffusion Autoencoder for One-shot Face Reenactment. FG Stella Bounareli, Christos Tzelepis, Vasileios Argyriou, Ioannis Patras, Georgios Tzimiropoulos
2025	A*	`conf`	Edge-SD-SR: Low Latency and Parameter Efficient On-device Super-Resolution with Stable Diffusion via Bidirectional Conditioning. CVPR Isma Hadji, Mehdi Noroozi, Victor Escorcia, Anestis Zaganidis, Brais Martínez, Georgios Tzimiropoulos
2025	A*	`conf`	FAM Diffusion: Frequency and Attention Modulation for High-Resolution Image Generation with Stable Diffusion. CVPR Haosen Yang, Adrian Bulat, Isma Hadji, Hai X. Pham, Xiatian Zhu, Georgios Tzimiropoulos, Brais Martínez
2025	J	`jnl`	Fwd2Bot: LVLM Visual Token Compression with Double Forward Bottleneck. CoRR Adrian Bulat, Yassine Ouali, Georgios Tzimiropoulos
2025	J	`jnl`	Knowledge Distillation Meets Open-Set Semi-supervised Learning. Int. J. Comput. Vis. Jing Yang, Xiatian Zhu, Adrian Bulat, Brais Martínez, Georgios Tzimiropoulos
2025	J	`jnl`	Multi-scale Image Super Resolution with a Single Auto-Regressive Model. CoRR Enrique Sánchez-Lozano, Isma Hadji, Adrian Bulat, Christos Tzelepis, Brais Martínez, Georgios Tzimiropoulos
2025	J	`jnl`	Training-Free Generation of Diverse and High-Fidelity Images via Prompt Semantic Space Optimization. CoRR Debin Meng, Chen Jin, Zheng Gao, Yanran Li, Ioannis Patras, Georgios Tzimiropoulos
2025	A*	`conf`	Unveiling Open-set Noise: Theoretical Insights into Label Noise. ACM Multimedia Chen Feng, Nicu Sebe, Georgios Tzimiropoulos, Miguel R. D. Rodrigues, Ioannis Patras
2025	B	`conf`	VLLMs Provide Better Context for Emotion Understanding Through Common Sense Reasoning. IJCNN Alexandros Xenos, Niki Maria Foteinopoulou, Ioanna Ntinou, Ioannis Patras, Georgios Tzimiropoulos
2025	A*	`conf`	Vision-Free Retrieval: Rethinking Multimodal Search with Textual Scene Descriptions. EMNLP Ioanna Ntinou, Alexandros Xenos, Yassine Ouali, Adrian Bulat, Georgios Tzimiropoulos
2025	J	`jnl`	Vision-Free Retrieval: Rethinking Multimodal Search with Textual Scene Descriptions. CoRR Ioanna Ntinou, Alexandros Xenos, Yassine Ouali, Adrian Bulat, Georgios Tzimiropoulos
2025	A*	`conf`	VladVA: Discriminative Fine-tuning of LVLMs. CVPR Yassine Ouali, Adrian Bulat, Alexandros Xenos, Anestis Zaganidis, Ioannis Maniadis Metaxas, Brais Martínez, Georgios Tzimiropoulos
2024	—	`conf`	CLIP-DPO: Vision-Language Models as a Source of Preference for Fixing Hallucinations in LVLMs. ECCV (76) Yassine Ouali, Adrian Bulat, Brais Martínez, Georgios Tzimiropoulos
2024	J	`jnl`	CLIP-DPO: Vision-Language Models as a Source of Preference for Fixing Hallucinations in LVLMs. CoRR Yassine Ouali, Adrian Bulat, Brais Martínez, Georgios Tzimiropoulos
2024	A*	`conf`	CLIPCleaner: Cleaning Noisy Labels with CLIP. ACM Multimedia Chen Feng, Georgios Tzimiropoulos, Ioannis Patras
2024	J	`jnl`	CLIPCleaner: Cleaning Noisy Labels with CLIP. CoRR Chen Feng, Georgios Tzimiropoulos, Ioannis Patras
2024	A*	`conf`	CemiFace: Center-based Semi-hard Synthetic Face Generation for Face Recognition. NeurIPS Zhonglin Sun, Siyang Song, Ioannis Patras, Georgios Tzimiropoulos
2024	J	`jnl`	CemiFace: Center-based Semi-hard Synthetic Face Generation for Face Recognition. CoRR Zhonglin Sun, Siyang Song, Ioannis Patras, Georgios Tzimiropoulos
2024	J	`jnl`	DiffusionAct: Controllable Diffusion Autoencoder for One-shot Face Reenactment. CoRR Stella Bounareli, Christos Tzelepis, Vasileios Argyriou, Ioannis Patras, Georgios Tzimiropoulos
2024	J	`jnl`	Discriminative Fine-tuning of LVLMs. CoRR Yassine Ouali, Adrian Bulat, Alexandros Xenos, Anestis Zaganidis, Ioannis Maniadis Metaxas, Brais Martínez, Georgios Tzimiropoulos
2024	J	`jnl`	Edge-SD-SR: Low Latency and Parameter Efficient On-device Super-Resolution with Stable Diffusion via Bidirectional Conditioning. CoRR Mehdi Noroozi, Isma Hadji, Victor Escorcia, Anestis Zaganidis, Brais Martínez, Georgios Tzimiropoulos
2024	—	`conf`	Efficient Unsupervised Visual Representation Learning with Explicit Cluster Balancing. ECCV (32) Ioannis Maniadis Metaxas, Georgios Tzimiropoulos, Ioannis Patras
2024	J	`jnl`	Efficient Unsupervised Visual Representation Learning with Explicit Cluster Balancing. CoRR Ioannis Maniadis Metaxas, Georgios Tzimiropoulos, Ioannis Patras
2024	A*	`conf`	Efficient Vision-Language pre-training via domain-specific learning for human activities. EMNLP Adrian Bulat, Yassine Ouali, Ricardo Guerrero, Brais Martínez, Georgios Tzimiropoulos
2024	J	`jnl`	FAM Diffusion: Frequency and Attention Modulation for High-Resolution Image Generation with Stable Diffusion. CoRR Haosen Yang, Adrian Bulat, Isma Hadji, Hai X. Pham, Xiatian Zhu, Georgios Tzimiropoulos, Brais Martínez
2024	A*	`conf`	FFF: Fixing Flawed Foundations in contrastive pre-training results in very strong Vision-Language models. CVPR Adrian Bulat, Yassine Ouali, Georgios Tzimiropoulos
2024	J	`jnl`	FFF: Fixing Flawed Foundations in contrastive pre-training results in very strong Vision-Language models. CoRR Adrian Bulat, Yassine Ouali, Georgios Tzimiropoulos
2024	—	`conf`	Graph Guided Question Answer Generation for Procedural Question-Answering. EACL (1) Hai X. Pham, Isma Hadji, Xinnuo Xu, Ziedune Degutyte, Jay Rainey, Evangelos Kazakos, Afsaneh Fazly, Georgios Tzimiropoulos, Brais Martínez
2024	J	`jnl`	Graph Guided Question Answer Generation for Procedural Question-Answering. CoRR Hai X. Pham, Isma Hadji, Xinnuo Xu, Ziedune Degutyte, Jay Rainey, Evangelos Kazakos, Afsaneh Fazly, Georgios Tzimiropoulos, Brais Martínez
2024	A*	`conf`	LAFS: Landmark-Based Facial Self-Supervised Learning for Face Recognition. CVPR Zhonglin Sun, Chen Feng, Ioannis Patras, Georgios Tzimiropoulos
2024	J	`jnl`	LAFS: Landmark-based Facial Self-supervised Learning for Face Recognition. CoRR Zhonglin Sun, Chen Feng, Ioannis Patras, Georgios Tzimiropoulos
2024	J	`jnl`	Language-Aware Soft Prompting: Text-to-Text Optimization for Few- and Zero-Shot Adaptation of V &L Models. Int. J. Comput. Vis. Adrian Bulat, Georgios Tzimiropoulos
2024	—	`conf`	MM2Latent: Text-to-Facial Image Generation and Editing in GANs with Multimodal Assistance. ECCV Workshops (9) Debin Meng, Christos Tzelepis, Ioannis Patras, Georgios Tzimiropoulos
2024	J	`jnl`	MM2Latent: Text-to-facial image generation and editing in GANs with multimodal assistance. CoRR Debin Meng, Christos Tzelepis, Ioannis Patras, Georgios Tzimiropoulos
2024	J	`jnl`	MeMSVD: Long-Range Temporal Structure Capturing Using Incremental SVD. CoRR Ioanna Ntinou, Enrique Sanchez, Georgios Tzimiropoulos
2024	B	`conf`	Memsvd: Long-Range Temporal Structure Capturing Using Incremental SVD. ICIP Ioanna Ntinou, Enrique Sanchez, Georgios Tzimiropoulos
2024	—	`conf`	MobileQuant: Mobile-friendly Quantization for On-device Language Models. EMNLP (Findings) Fuwen Tan, Royson Lee, Lukasz Dudziak, Shell Xu Hu, Sourav Bhattacharya, Timothy M. Hospedales, Georgios Tzimiropoulos, Brais Martínez
2024	J	`jnl`	MobileQuant: Mobile-friendly Quantization for On-device Language Models. CoRR Fuwen Tan, Royson Lee, Lukasz Dudziak, Shell Xu Hu, Sourav Bhattacharya, Timothy M. Hospedales, Georgios Tzimiropoulos, Brais Martínez
2024	A*	`conf`	Multiscale Vision Transformers Meet Bipartite Matching for Efficient Single-Stage Action Localization. CVPR Ioanna Ntinou, Enrique Sanchez, Georgios Tzimiropoulos
2024	J	`jnl`	NoiseBox: Toward More Efficient and Effective Learning With Noisy Labels. IEEE Trans. Circuits Syst. Video Technol. Chen Feng, Georgios Tzimiropoulos, Ioannis Patras
2024	J	`jnl`	One-Shot Neural Face Reenactment via Finding Directions in GAN's Latent Space. Int. J. Comput. Vis. Stella Bounareli, Christos Tzelepis, Vasileios Argyriou, Ioannis Patras, Georgios Tzimiropoulos
2024	J	`jnl`	One-shot Neural Face Reenactment via Finding Directions in GAN's Latent Space. CoRR Stella Bounareli, Christos Tzelepis, Vasileios Argyriou, Ioannis Patras, Georgios Tzimiropoulos
2024	A*	`conf`	QBB: Quantization with Binary Bases for LLMs. NeurIPS Adrian Bulat, Yassine Ouali, Georgios Tzimiropoulos
2024	J	`jnl`	VLLMs Provide Better Context for Emotion Understanding Through Common Sense Reasoning. CoRR Alexandros Xenos, Niki Maria Foteinopoulou, Ioanna Ntinou, Ioannis Patras, Georgios Tzimiropoulos
2024	—	`conf`	You Only Need One Step: Fast Super-Resolution with Stable Diffusion via Scale Distillation. ECCV (29) Mehdi Noroozi, Isma Hadji, Brais Martínez, Adrian Bulat, Georgios Tzimiropoulos
2024	J	`jnl`	You Only Need One Step: Fast Super-Resolution with Stable Diffusion via Scale Distillation. CoRR Mehdi Noroozi, Isma Hadji, Brais Martínez, Adrian Bulat, Georgios Tzimiropoulos
2023	A*	`conf`	A Simple Baseline for Knowledge-Based Visual Question Answering. EMNLP Alexandros Xenos, Themos Stafylakis, Ioannis Patras, Georgios Tzimiropoulos
2023	J	`jnl`	A Simple Baseline for Knowledge-Based Visual Question Answering. CoRR Alexandros Xenos, Themos Stafylakis, Ioannis Patras, Georgios Tzimiropoulos
2023	J	`jnl`	A Transfer Learning Approach to Heatmap Regression for Action Unit Intensity Estimation. IEEE Trans. Affect. Comput. Ioanna Ntinou, Enrique Sánchez-Lozano, Adrian Bulat, Michel F. Valstar, Georgios Tzimiropoulos
2023	A*	`conf`	Bayesian Prompt Learning for Image-Language Model Generalization. ICCV Mohammad Mahdi Derakhshani, Enrique Sanchez, Adrian Bulat, Victor Guilherme Turrisi da Costa, Cees G. M. Snoek, Georgios Tzimiropoulos, Brais Martínez
2023	A*	`conf`	Black Box Few-Shot Adaptation for Vision-Language models. ICCV Yassine Ouali, Adrian Bulat, Brais Martínez, Georgios Tzimiropoulos
2023	J	`jnl`	Black Box Few-Shot Adaptation for Vision-Language models. CoRR Yassine Ouali, Adrian Bulat, Brais Martínez, Georgios Tzimiropoulos
2023	A*	`conf`	DivClust: Controlling Diversity in Deep Clustering. CVPR Ioannis Maniadis Metaxas, Georgios Tzimiropoulos, Ioannis Patras
2023	J	`jnl`	DivClust: Controlling Diversity in Deep Clustering. CoRR Ioannis Maniadis Metaxas, Georgios Tzimiropoulos, Ioannis Patras
2023	A*	`conf`	FS-DETR: Few-Shot DEtection TRansformer with prompting and without re-training. ICCV Adrian Bulat, Ricardo Guerrero, Brais Martínez, Georgios Tzimiropoulos
2023	J	`jnl`	From Keypoints to Object Landmarks via Self-Training Correspondence: A Novel Approach to Unsupervised Landmark Discovery. IEEE Trans. Pattern Anal. Mach. Intell. Dimitrios Mallis, Enrique Sánchez-Lozano, Matthew Bell, Georgios Tzimiropoulos
2023	A*	`conf`	HyperReenact: One-Shot Reenactment via Jointly Learning to Refine and Retarget Faces. ICCV Stella Bounareli, Christos Tzelepis, Vasileios Argyriou, Ioannis Patras, Georgios Tzimiropoulos
2023	J	`jnl`	HyperReenact: One-Shot Reenactment via Jointly Learning to Refine and Retarget Faces. CoRR Stella Bounareli, Christos Tzelepis, Vasileios Argyriou, Ioannis Patras, Georgios Tzimiropoulos
2023	A*	`conf`	LASP: Text-to-Text Optimization for Language-Aware Soft Prompting of Vision & Language Models. CVPR Adrian Bulat, Georgios Tzimiropoulos
2023	J	`jnl`	Multiscale Vision Transformers meet Bipartite Matching for efficient single-stage Action Localization. CoRR Ioanna Ntinou, Enrique Sanchez, Georgios Tzimiropoulos
2023	A*	`conf`	ReGen: A good Generative zero-shot video classifier should be Rewarded. ICCV Adrian Bulat, Enrique Sanchez, Brais Martínez, Georgios Tzimiropoulos
2023	J	`jnl`	Self-Supervised Learning of Person-Specific Facial Dynamics for Automatic Personality Recognition. IEEE Trans. Affect. Comput. Siyang Song, Shashank Jaiswal, Enrique Sánchez-Lozano, Georgios Tzimiropoulos, Linlin Shen, Michel F. Valstar
2023	J	`jnl`	SimDETR: Simplifying self-supervised pretraining for DETR. CoRR Ioannis Maniadis Metaxas, Adrian Bulat, Ioannis Patras, Brais Martínez, Georgios Tzimiropoulos
2023	B	`conf`	StyleMask: Disentangling the Style Space of StyleGAN2 for Neural Face Reenactment. FG Stella Bounareli, Christos Tzelepis, Vasileios Argyriou, Ioannis Patras, Georgios Tzimiropoulos
2022	J	`jnl`	ContraCLIP: Interpretable GAN generation driven by pairs of contrasting sentences. CoRR Christos Tzelepis, James Oldfield, Georgios Tzimiropoulos, Ioannis Patras
2022	—	`conf`	EdgeViTs: Competing Light-Weight CNNs on Mobile Devices with Vision Transformers. ECCV (11) Junting Pan, Adrian Bulat, Fuwen Tan, Xiatian Zhu, Lukasz Dudziak, Hongsheng Li, Georgios Tzimiropoulos, Brais Martínez
2022	J	`jnl`	EdgeViTs: Competing Light-weight CNNs on Mobile Devices with Vision Transformers. CoRR Junting Pan, Adrian Bulat, Fuwen Tan, Xiatian Zhu, Lukasz Dudziak, Hongsheng Li, Georgios Tzimiropoulos, Brais Martínez
2022	J	`jnl`	Efficient Attention-free Video Shift Transformers. CoRR Adrian Bulat, Brais Martínez, Georgios Tzimiropoulos
2022	J	`jnl`	FS-DETR: Few-Shot DEtection TRansformer with prompting and without re-training. CoRR Adrian Bulat, Ricardo Guerrero, Brais Martínez, Georgios Tzimiropoulos
2022	A	`conf`	Finding Directions in GAN's Latent Space for Neural Face Reenactment. BMVC Stella Bounareli, Vasileios Argyriou, Georgios Tzimiropoulos
2022	J	`jnl`	Finding Directions in GAN's Latent Space for Neural Face Reenactment. CoRR Stella Bounareli, Vasileios Argyriou, Georgios Tzimiropoulos
2022	J	`jnl`	From Keypoints to Object Landmarks via Self-Training Correspondence: A novel approach to Unsupervised Landmark Discovery. CoRR Dimitrios Mallis, Enrique Sanchez, Matthew Bell, Georgios Tzimiropoulos
2022	J	`jnl`	Knowledge Distillation Meets Open-Set Semi-Supervised Learning. CoRR Jing Yang, Xiatian Zhu, Adrian Bulat, Brais Martínez, Georgios Tzimiropoulos
2022	J	`jnl`	Language-Aware Soft Prompting for Vision & Language Foundation Models. CoRR Adrian Bulat, Georgios Tzimiropoulos
2022	A	`conf`	Part-based Face Recognition with Vision Transformers. BMVC Zhonglin Sun, Georgios Tzimiropoulos
2022	J	`jnl`	Part-based Face Recognition with Vision Transformers. CoRR Zhonglin Sun, Georgios Tzimiropoulos
2022	—	`conf`	Pre-training Strategies and Datasets for Facial Representation Learning. ECCV (13) Adrian Bulat, Shiyang Cheng, Jing Yang, Andrew Garbett, Enrique Sánchez-Lozano, Georgios Tzimiropoulos
2022	J	`jnl`	REST: REtrieve & Self-Train for generative action recognition. CoRR Adrian Bulat, Enrique Sanchez, Brais Martínez, Georgios Tzimiropoulos
2022	A	`conf`	SSR: An Efficient and Robust Framework for Learning with Unknown Label Noise. BMVC Chen Feng, Georgios Tzimiropoulos, Ioannis Patras
2022	J	`jnl`	StyleMask: Disentangling the Style Space of StyleGAN2 for Neural Face Reenactment. CoRR Stella Bounareli, Christos Tzelepis, Vasileios Argyriou, Ioannis Patras, Georgios Tzimiropoulos
2022	J	`jnl`	Variational prompt tuning improves generalization of vision-language models. CoRR Mohammad Mahdi Derakhshani, Enrique Sanchez, Adrian Bulat, Victor Guilherme Turrisi da Costa, Cees G. M. Snoek, Georgios Tzimiropoulos, Brais Martínez
2022	J	`jnl`	iBoot: Image-bootstrapped Self-Supervised Video Representation Learning. CoRR Fatemeh Sadat Saleh, Fuwen Tan, Adrian Bulat, Georgios Tzimiropoulos, Brais Martínez
2021	A*	`conf`	Affective Processes: Stochastic Modelling of Temporal Context for Emotion and Facial Expression Recognition. CVPR Enrique Sanchez, Mani Kumar Tellamekala, Michel F. Valstar, Georgios Tzimiropoulos
2021	J	`jnl`	Affective Processes: stochastic modelling of temporal context for emotion and facial expression recognition. CoRR Enrique Sanchez, Mani Kumar Tellamekala, Michel F. Valstar, Georgios Tzimiropoulos
2021	A*	`conf`	Bit-Mixer: Mixed-precision networks with runtime bit-width selection. ICCV Adrian Bulat, Georgios Tzimiropoulos
2021	J	`jnl`	Bit-Mixer: Mixed-precision networks with runtime bit-width selection. CoRR Adrian Bulat, Georgios Tzimiropoulos
2021	A	`conf`	Defensive Tensorization. BMVC Adrian Bulat, Jean Kossaifi, Sourav Bhattacharya, Yannis Panagakis, Timothy M. Hospedales, Georgios Tzimiropoulos, Nicholas D. Lane, Maja Pantic
2021	J	`jnl`	Defensive Tensorization. CoRR Adrian Bulat, Jean Kossaifi, Sourav Bhattacharya, Yannis Panagakis, Timothy M. Hospedales, Georgios Tzimiropoulos, Nicholas D. Lane, Maja Pantic
2021	J	`jnl`	Estimation of continuous valence and arousal levels from faces in naturalistic conditions. Nat. Mach. Intell. Antoine Toisoul, Jean Kossaifi, Adrian Bulat, Georgios Tzimiropoulos, Maja Pantic
2021	A*	`conf`	High-Capacity Expert Binary Networks. ICLR Adrian Bulat, Brais Martínez, Georgios Tzimiropoulos
2021	Misc	`conf`	Improving Memory Banks for Unsupervised Learning with Large Mini-Batch, Consistency and Hard Negative Mining. ICASSP Adrian Bulat, Enrique Sánchez-Lozano, Georgios Tzimiropoulos
2021	J	`jnl`	Improving memory banks for unsupervised learning with large mini-batch, consistency and hard negative mining. CoRR Adrian Bulat, Enrique Sánchez-Lozano, Georgios Tzimiropoulos
2021	A*	`conf`	Knowledge distillation via softmax regression representation learning. ICLR Jing Yang, Brais Martínez, Adrian Bulat, Georgios Tzimiropoulos
2021	J	`jnl`	Pre-training strategies and datasets for facial representation learning. CoRR Adrian Bulat, Shiyang Cheng, Jing Yang, Andrew Garbett, Enrique Sanchez, Georgios Tzimiropoulos
2021	J	`jnl`	S3: Supervised Self-supervised Learning under Label Noise. CoRR Chen Feng, Georgios Tzimiropoulos, Ioannis Patras
2021	J	`jnl`	SAIC_Cambridge-HuPBA-FBK Submission to the EPIC-Kitchens-100 Action Recognition Challenge 2021. CoRR Swathikiran Sudhakaran, Adrian Bulat, Juan-Manuel Pérez-Rúa, Alex Falcon, Sergio Escalera, Oswald Lanz, Brais Martínez, Georgios Tzimiropoulos
2021	A*	`conf`	Space-time Mixing Attention for Video Transformer. NeurIPS Adrian Bulat, Juan-Manuel Pérez-Rúa, Swathikiran Sudhakaran, Brais Martínez, Georgios Tzimiropoulos
2021	J	`jnl`	Space-time Mixing Attention for Video Transformer. CoRR Adrian Bulat, Juan-Manuel Pérez-Rúa, Swathikiran Sudhakaran, Brais Martínez, Georgios Tzimiropoulos
2021	A	`conf`	Stochastic Process Regression for Cross-Cultural Speech Emotion Recognition. Interspeech Mani Kumar Tellamekala, Enrique Sanchez, Georgios Tzimiropoulos, Timo Giesbrecht, Michel F. Valstar
2021	A	`conf`	Subpixel Heatmap Regression for Facial Landmark Localization. BMVC Adrian Bulat, Enrique Sanchez, Georgios Tzimiropoulos
2021	J	`jnl`	Subpixel Heatmap Regression for Facial Landmark Localization. CoRR Adrian Bulat, Enrique Sanchez, Georgios Tzimiropoulos
2021	A*	`conf`	WarpedGANSpace: Finding non-linear RBF paths in GAN latent space. ICCV Christos Tzelepis, Georgios Tzimiropoulos, Ioannis Patras
2021	J	`jnl`	WarpedGANSpace: Finding non-linear RBF paths in GAN latent space. CoRR Christos Tzelepis, Georgios Tzimiropoulos, Ioannis Patras
2020	J	`jnl`	A Transfer Learning approach to Heatmap Regression for Action Unit intensity estimation. CoRR Ioanna Ntinou, Enrique Sanchez, Adrian Bulat, Michel F. Valstar, Georgios Tzimiropoulos
2020	A*	`conf`	AnimalWeb: A Large-Scale Hierarchical Dataset of Annotated Animal Faces. CVPR Muhammad Haris Khan, John McDonagh, Salman H. Khan, Muhammad Shahabuddin, Aditya Arora, Fahad Shahbaz Khan, Ling Shao, Georgios Tzimiropoulos
2020	—	`conf`	BATS: Binary ArchitecTure Search. ECCV (23) Adrian Bulat, Brais Martínez, Georgios Tzimiropoulos
2020	J	`jnl`	BATS: Binary ArchitecTure Search. CoRR Adrian Bulat, Brais Martínez, Georgios Tzimiropoulos
2020	A*	`conf`	FAN-Face: a Simple Orthogonal Improvement to Deep Face Recognition. AAAI Jing Yang, Adrian Bulat, Georgios Tzimiropoulos
2020	—	`conf`	Faster, Better and More Detailed: 3D Face Reconstruction with Graph Convolutional Networks. ACCV (5) Shiyang Cheng, Georgios Tzimiropoulos, Jie Shen, Maja Pantic
2020	J	`jnl`	Hierarchical Binary CNNs for Landmark Localization with Limited Resources. IEEE Trans. Pattern Anal. Mach. Intell. Adrian Bulat, Georgios Tzimiropoulos
2020	J	`jnl`	High-Capacity Expert Binary Networks. CoRR Adrian Bulat, Brais Martínez, Georgios Tzimiropoulos
2020	A*	`conf`	Incremental Multi-Domain Learning with Network Latent Tensor Factorization. AAAI Adrian Bulat, Jean Kossaifi, Georgios Tzimiropoulos, Maja Pantic
2020	J	`jnl`	Knowledge distillation via adaptive instance normalization. CoRR Jing Yang, Brais Martínez, Adrian Bulat, Georgios Tzimiropoulos
2020	B	`conf`	Learning to Infer the Depth Map of a Hand from its Color Image. IJCNN Vassilis C. Nicodemou, Iason Oikonomidis, Georgios Tzimiropoulos, Antonis A. Argyros
2020	—	`conf`	Semi-supervised Facial Action Unit Intensity Estimation with Contrastive Learning. ACCV (5) Enrique Sanchez, Adrian Bulat, Anestis Zaganidis, Georgios Tzimiropoulos
2020	J	`jnl`	Semi-supervised Facial Action Unit Intensity Estimation with Contrastive Learning. CoRR Enrique Sanchez, Adrian Bulat, Anestis Zaganidis, Georgios Tzimiropoulos
2020	B	`conf`	Toward fast and accurate human pose estimation via soft-gated skip connections. FG Adrian Bulat, Jean Kossaifi, Georgios Tzimiropoulos, Maja Pantic
2020	J	`jnl`	Toward fast and accurate human pose estimation via soft-gated skip connections. CoRR Adrian Bulat, Jean Kossaifi, Georgios Tzimiropoulos, Maja Pantic
2020	Misc	`conf`	Towards Pose-Invariant Lip-Reading. ICASSP Shiyang Cheng, Pingchuan Ma, Georgios Tzimiropoulos, Stavros Petridis, Adrian Bulat, Jie Shen, Maja Pantic
2020	J	`jnl`	Training Binary Neural Networks with Real-to-Binary Convolutions. CoRR Brais Martínez, Jing Yang, Adrian Bulat, Georgios Tzimiropoulos
2020	A*	`conf`	Training binary neural networks with real-to-binary convolutions. ICLR Brais Martínez, Jing Yang, Adrian Bulat, Georgios Tzimiropoulos
2020	B	`conf`	Unsupervised Face Manipulation via Hallucination. ICPR Keerthy Kusumam, Enrique Sanchez, Georgios Tzimiropoulos
2020	A*	`conf`	Unsupervised Learning of Object Landmarks via Self-Training Correspondence. NeurIPS Dimitrios Mallis, Enrique Sanchez, Matthew Bell, Georgios Tzimiropoulos
2019	J	`jnl`	AnimalWeb: A Large-Scale Hierarchical Dataset of Annotated Animal Faces. CoRR Muhammad Haris Khan, John McDonagh, Salman H. Khan, Muhammad Shahabuddin, Aditya Arora, Fahad Shahbaz Khan, Ling Shao, Georgios Tzimiropoulos
2019	—	`conf`	Features Extraction based on an Origami Representation of 3D Landmarks. VISIGRAPP (4: VISAPP) Juan Manuel Fernandez Montenegro, Mahdi Maktab Dar Oghaz, Athanasios Gkelias, Georgios Tzimiropoulos, Vasileios Argyriou
2019	J	`jnl`	Improved training of binary networks for human pose estimation and image recognition. CoRR Adrian Bulat, Georgios Tzimiropoulos, Jean Kossaifi, Maja Pantic
2019	J	`jnl`	Incremental multi-domain learning with network latent tensor factorization. CoRR Adrian Bulat, Jean Kossaifi, Georgios Tzimiropoulos, Maja Pantic
2019	J	`jnl`	Matrix and tensor decompositions for training binary neural networks. CoRR Adrian Bulat, Jean Kossaifi, Georgios Tzimiropoulos, Maja Pantic
2019	A*	`conf`	Object landmark discovery through unsupervised adaptation. NeurIPS Enrique Sanchez, Georgios Tzimiropoulos
2019	J	`jnl`	Object landmark discovery through unsupervised adaptation. CoRR Enrique Sanchez, Georgios Tzimiropoulos
2019	A*	`conf`	T-Net: Parametrizing Fully Convolutional Nets With a Single High-Order Tensor. CVPR Jean Kossaifi, Adrian Bulat, Georgios Tzimiropoulos, Maja Pantic
2019	J	`jnl`	T-Net: Parametrizing Fully Convolutional Nets with a Single High-Order Tensor. CoRR Jean Kossaifi, Adrian Bulat, Georgios Tzimiropoulos, Maja Pantic
2019	J	`jnl`	Towards Pose-invariant Lip-Reading. CoRR Shiyang Cheng, Pingchuan Ma, Georgios Tzimiropoulos, Stavros Petridis, Adrian Bulat, Jie Shen, Maja Pantic
2019	J	`jnl`	XNOR-Net++: Improved Binary Neural Networks. CoRR Adrian Bulat, Georgios Tzimiropoulos
2019	A	`conf`	XNOR-Net++: Improved binary neural networks. BMVC Adrian Bulat, Georgios Tzimiropoulos
2018	—	`conf`	3D Human Body Reconstruction from a Single Image via Volumetric Regression. ECCV Workshops (4) Aaron S. Jackson, Chris Manafas, Georgios Tzimiropoulos
2018	J	`jnl`	3D Human Body Reconstruction from a Single Image via Volumetric Regression. CoRR Aaron S. Jackson, Chris Manafas, Georgios Tzimiropoulos
2018	J	`jnl`	A Functional Regression Approach to Facial Landmark Tracking. IEEE Trans. Pattern Anal. Mach. Intell. Enrique Sánchez-Lozano, Georgios Tzimiropoulos, Brais Martínez, Fernando De la Torre, Michel F. Valstar
2018	J	`jnl`	Audio-Visual Speech Recognition With A Hybrid CTC/Attention Architecture. CoRR Stavros Petridis, Themos Stafylakis, Pingchuan Ma, Georgios Tzimiropoulos, Maja Pantic
2018	—	`conf`	Audio-Visual Speech Recognition with a Hybrid CTC/Attention Architecture. SLT Stavros Petridis, Themos Stafylakis, Pingchuan Ma, Georgios Tzimiropoulos, Maja Pantic
2018	Misc	`conf`	Deep Word Embeddings for Visual Speech Recognition. ICASSP Themos Stafylakis, Georgios Tzimiropoulos
2018	Misc	`conf`	End-to-End Audiovisual Speech Recognition. ICASSP Stavros Petridis, Themos Stafylakis, Pingchuan Ma, Feipeng Cai, Georgios Tzimiropoulos, Maja Pantic
2018	J	`jnl`	End-to-end Audiovisual Speech Recognition. CoRR Stavros Petridis, Themos Stafylakis, Pingchuan Ma, Feipeng Cai, Georgios Tzimiropoulos, Maja Pantic
2018	J	`jnl`	Features Extraction Based on an Origami Representation of 3D Landmarks. CoRR Juan Manuel Fernandez Montenegro, Mahdi Maktab Dar Oghaz, Athanasios Gkelias, Georgios Tzimiropoulos, Vasileios Argyriou
2018	J	`jnl`	Guest Editorial: The Computational Face. IEEE Trans. Pattern Anal. Mach. Intell. Sergio Escalera, Xavier Baró, Isabelle Guyon, Hugo Jair Escalante, Georgios Tzimiropoulos, Michel F. Valstar, Maja Pantic, Jeffrey F. Cohn, Takeo Kanade
2018	J	`jnl`	Hierarchical binary CNNs for landmark localization with limited resources. CoRR Adrian Bulat, Georgios Tzimiropoulos
2018	A	`conf`	Joint Action Unit localisation and intensity estimation through heatmap regression. BMVC Enrique Sánchez-Lozano, Georgios Tzimiropoulos, Michel F. Valstar
2018	J	`jnl`	Joint Action Unit localisation and intensity estimation through heatmap regression. CoRR Enrique Sánchez-Lozano, Georgios Tzimiropoulos, Michel F. Valstar
2018	J	`jnl`	Learning to Infer the Depth Map of a Hand from its Color Image. CoRR Vassilis C. Nicodemou, Iason Oikonomidis, Georgios Tzimiropoulos, Antonis A. Argyros
2018	J	`jnl`	Pushing the boundaries of audiovisual word recognition using Residual Networks and LSTMs. CoRR Themos Stafylakis, Muhammad Haris Khan, Georgios Tzimiropoulos
2018	J	`jnl`	Pushing the boundaries of audiovisual word recognition using Residual Networks and LSTMs. Comput. Vis. Image Underst. Themos Stafylakis, Muhammad Haris Khan, Georgios Tzimiropoulos
2018	A*	`conf`	Super-FAN: Integrated Facial Landmark Localization and Super-Resolution of Real-World Low Resolution Faces in Arbitrary Poses With GANs. CVPR Adrian Bulat, Georgios Tzimiropoulos
2018	—	`conf`	To Learn Image Super-Resolution, Use a GAN to Learn How to Do Image Degradation First. ECCV (6) Adrian Bulat, Jing Yang, Georgios Tzimiropoulos
2018	J	`jnl`	To learn image super-resolution, use a GAN to learn how to do image degradation first. CoRR Adrian Bulat, Jing Yang, Georgios Tzimiropoulos
2018	—	`conf`	Zero-Shot Keyword Spotting for Visual Speech Recognition In-the-wild. ECCV (4) Themos Stafylakis, Georgios Tzimiropoulos
2018	J	`jnl`	Zero-shot keyword spotting for visual speech recognition in-the-wild. CoRR Themos Stafylakis, Georgios Tzimiropoulos
2017	J	`jnl`	AFEW-VA database for valence and arousal estimation in-the-wild. Image Vis. Comput. Jean Kossaifi, Georgios Tzimiropoulos, Sinisa Todorovic, Maja Pantic
2017	—	`conf`	Automated Risk Assessment for Scene Understanding and Domestic Robots Using RGB-D Data and 2.5D CNNs at a Patch Level. CVPR Workshops Rob Dupre, Georgios Tzimiropoulos, Vasileios Argyriou
2017	A*	`conf`	Binarized Convolutional Landmark Localizers for Human Pose Estimation and Face Alignment with Limited Resources. ICCV Adrian Bulat, Georgios Tzimiropoulos
2017	J	`jnl`	Binarized Convolutional Landmark Localizers for Human Pose Estimation and Face Alignment with Limited Resources. CoRR Adrian Bulat, Georgios Tzimiropoulos
2017	A	`conf`	Combining Residual Networks with LSTMs for Lipreading. INTERSPEECH Themos Stafylakis, Georgios Tzimiropoulos
2017	J	`jnl`	Combining Residual Networks with LSTMs for Lipreading. CoRR Themos Stafylakis, Georgios Tzimiropoulos
2017	J	`jnl`	Deep word embeddings for visual speech recognition. CoRR Themos Stafylakis, Georgios Tzimiropoulos
2017	J	`jnl`	Fast Algorithms for Fitting Active Appearance Models to Unconstrained Images. Int. J. Comput. Vis. Georgios Tzimiropoulos, Maja Pantic
2017	J	`jnl`	Fast and Exact Newton and Bidirectional Fitting of Active Appearance Models. IEEE Trans. Image Process. Jean Kossaifi, Georgios Tzimiropoulos, Maja Pantic
2017	J	`jnl`	Frequency domain subpixel registration using HOG phase correlation. Comput. Vis. Image Underst. Vasileios Argyriou, Georgios Tzimiropoulos
2017	A*	`conf`	How Far are We from Solving the 2D & 3D Face Alignment Problem? (and a Dataset of 230, 000 3D Facial Landmarks). ICCV Adrian Bulat, Georgios Tzimiropoulos
2017	J	`jnl`	How far are we from solving the 2D & 3D Face Alignment problem? (and a dataset of 230, 000 3D facial landmarks). CoRR Adrian Bulat, Georgios Tzimiropoulos
2017	A*	`conf`	Large Pose 3D Face Reconstruction from a Single Image via Direct Volumetric CNN Regression. ICCV Aaron S. Jackson, Adrian Bulat, Vasileios Argyriou, Georgios Tzimiropoulos
2017	J	`jnl`	Large Pose 3D Face Reconstruction from a Single Image via Direct Volumetric CNN Regression. CoRR Aaron S. Jackson, Adrian Bulat, Vasileios Argyriou, Georgios Tzimiropoulos
2017	J	`jnl`	Super-FAN: Integrated facial landmark localization and super-resolution of real-world low resolution faces in arbitrary poses with GANs. CoRR Adrian Bulat, Georgios Tzimiropoulos
2017	A*	`conf`	Synergy between Face Alignment and Tracking via Discriminative Global Consensus Optimization. ICCV Muhammad Haris Khan, John McDonagh, Georgios Tzimiropoulos
2017	A	`conf`	The I4U Mega Fusion and Collaboration for NIST Speaker Recognition Evaluation 2016. INTERSPEECH Kong-Aik Lee, Ville Hautamäki, Tomi Kinnunen, Anthony Larcher, Chunlei Zhang, Andreas Nautsch, Themos Stafylakis, Gang Liu, Mickaël Rouvier, Wei Rao, Federico Alegre, J. Ma, Man-Wai Mak, Achintya Kumar Sarkar, Héctor Delgado, Rahim Saeidi, Hagai Aronowitz, Aleksandr Sizov, Hanwu Sun, Trung Hieu Nguyen, Guangsen Wang, Bin Ma, Ville Vestman, Md. Sahidullah, M. Halonen, Anssi Kanervisto, Gaël Le Lan, Fahimeh Bahmaninezhad, Sergey Isadskiy, Christian Rathgeb, Christoph Busch, Georgios Tzimiropoulos, Q. Qian, Z. Wang, Q. Zhao, T. Wang, H. Li, J. Xue, S. Zhu, R. Jin, T. Zhao, Pierre-Michel Bousquet, Moez Ajili, Waad Ben Kheder, Driss Matrouf, Zhi Hao Lim, Chenglin Xu, Haihua Xu, Xiong Xiao, Eng Siong Chng, Benoit G. B. Fauve, Kaavya Sriskandaraja, Vidhyasaharan Sethu, W. W. Lin, Dennis Alexander Lehmann Thomsen, Zheng-Hua Tan, Massimiliano Todisco, Nicholas W. D. Evans, Haizhou Li, John H. L. Hansen, Jean-François Bonastre, Eliathamby Ambikairajah
2016	J	`jnl`	300 Faces In-The-Wild Challenge: database and results. Image Vis. Comput. Christos Sagonas, Epameinondas Antonakos, Georgios Tzimiropoulos, Stefanos Zafeiriou, Maja Pantic
2016	J	`jnl`	300 W: Special issue on facial landmark localisation "in-the-wild". Image Vis. Comput. Stefanos Zafeiriou, Georgios Tzimiropoulos, Maja Pantic
2016	—	`conf`	A CNN Cascade for Landmark Guided Semantic Part Segmentation. ECCV Workshops (3) Aaron S. Jackson, Michel F. Valstar, Georgios Tzimiropoulos
2016	J	`jnl`	A CNN Cascade for Landmark Guided Semantic Part Segmentation. CoRR Aaron S. Jackson, Michel F. Valstar, Georgios Tzimiropoulos
2016	J	`jnl`	A Functional Regression approach to Facial Landmark Tracking. CoRR Enrique Sánchez-Lozano, Georgios Tzimiropoulos, Brais Martínez, Fernando De la Torre, Michel F. Valstar
2016	J	`jnl`	A robust similarity measure for volumetric image registration with outliers. Image Vis. Comput. Patrick Snape, Stefan Pszczólkowski, Stefanos Zafeiriou, Georgios Tzimiropoulos, Christian Ledig, Daniel Rueckert
2016	—	`conf`	Cascaded Continuous Regression for Real-Time Incremental Face Tracking. ECCV (8) Enrique Sánchez-Lozano, Brais Martínez, Georgios Tzimiropoulos, Michel F. Valstar
2016	J	`jnl`	Cascaded Continuous Regression for Real-time Incremental Face Tracking. CoRR Enrique Sánchez-Lozano, Brais Martínez, Georgios Tzimiropoulos, Michel F. Valstar
2016	—	`conf`	ChaLearn Looking at People and Faces of the World: Face AnalysisWorkshop and Challenge 2016. CVPR Workshops Sergio Escalera, Mercedes Torres, Brais Martínez, Xavier Baró, Hugo Jair Escalante, Isabelle Guyon, Georgios Tzimiropoulos, Ciprian A. Corneanu, Marc Oliu, Mohammad Ali Bagheri, Michel F. Valstar
2016	Misc	`conf`	Gradient schemes for robust FFT-based motion estimation. ICASSP Georgios Tzimiropoulos, Vasileios Argyriou
2016	—	`conf`	Human Pose Estimation via Convolutional Part Heatmap Regression. ECCV (7) Adrian Bulat, Georgios Tzimiropoulos
2016	J	`jnl`	Human pose estimation via Convolutional Part Heatmap Regression. CoRR Adrian Bulat, Georgios Tzimiropoulos
2016	—	`conf`	Joint Face Detection and Alignment with a Deformable Hough Transform Model. ECCV Workshops (2) John McDonagh, Georgios Tzimiropoulos
2016	J	`jnl`	Risk analysis for smart homes and domestic robots using robust shape and physics descriptors, and complex boosting techniques. Inf. Sci. Rob Dupre, Vasileios Argyriou, Georgios Tzimiropoulos, Darrel Greenhill
2016	—	`conf`	Two-Stage Convolutional Part Heatmap Regression for the 1st 3D Face Alignment in the Wild (3DFAW) Challenge. ECCV Workshops (2) Adrian Bulat, Georgios Tzimiropoulos
2016	J	`jnl`	Two-stage Convolutional Part Heatmap Regression for the 1st 3D Face Alignment in the Wild (3DFAW) Challenge. CoRR Adrian Bulat, Georgios Tzimiropoulos
2015	—	`conf`	A 3D Scene Analysis Framework and Descriptors for Risk Evaluation. 3DV Rob Dupre, Vasileios Argyriou, Darrel Greenhill, Georgios Tzimiropoulos
2015	B	`conf`	Fast and exact bi-directional fitting of active appearance models. ICIP Jean Kossaifi, Georgios Tzimiropoulos, Maja Pantic
2015	J	`jnl`	Feature-Based Lucas-Kanade and Active Appearance Models. IEEE Trans. Image Process. Epameinondas Antonakos, Joan Alabort-i-Medina, Georgios Tzimiropoulos, Stefanos P. Zafeiriou
2015	J	`jnl`	From Pixels to Response Maps: Discriminative Image Filtering for Face Alignment in the Wild. IEEE Trans. Pattern Anal. Mach. Intell. Akshay Asthana, Stefanos Zafeiriou, Georgios Tzimiropoulos, Shiyang Cheng, Maja Pantic
2015	A*	`conf`	Project-Out Cascaded Regression with an application to face alignment. CVPR Georgios Tzimiropoulos
2015	—	`conf`	The First Facial Landmark Tracking in-the-Wild Challenge: Benchmark and Results. ICCV Workshops Jie Shen, Stefanos Zafeiriou, Grigoris G. Chrysos, Jean Kossaifi, Georgios Tzimiropoulos, Maja Pantic
2014	B	`conf`	Fast Newton active appearance models. ICIP Jean Kossaifi, Georgios Tzimiropoulos, Maja Pantic
2014	A*	`conf`	Gauss-Newton Deformable Part Models for Face Alignment In-the-Wild. CVPR Georgios Tzimiropoulos, Maja Pantic
2014	B	`conf`	HOG active appearance models. ICIP Epameinondas Antonakos, Joan Alabort-i-Medina, Georgios Tzimiropoulos, Stefanos Zafeiriou
2014	J	`jnl`	Online learning and fusion of orientation appearance models for robust rigid object tracking. Image Vis. Comput. Ioannis Marras, Georgios Tzimiropoulos, Stefanos Zafeiriou, Maja Pantic
2013	—	`conf`	300 Faces in-the-Wild Challenge: The First Facial Landmark Localization Challenge. ICCV Workshops Christos Sagonas, Georgios Tzimiropoulos, Stefanos Zafeiriou, Maja Pantic
2013	—	`conf`	A Semi-automatic Methodology for Facial Landmark Annotation. CVPR Workshops Christos Sagonas, Georgios Tzimiropoulos, Stefanos Zafeiriou, Maja Pantic
2013	J	`jnl`	Euler Principal Component Analysis. Int. J. Comput. Vis. Stephan Liwicki, Georgios Tzimiropoulos, Stefanos Zafeiriou, Maja Pantic
2013	B	`conf`	Online learning and fusion of orientation appearance models for robust rigid object tracking. FG Ioannis Marras, Joan Alabort-i-Medina, Georgios Tzimiropoulos, Stefanos Zafeiriou, Maja Pantic
2013	A*	`conf`	Optimization Problems for Fast AAM Fitting in-the-Wild. ICCV Georgios Tzimiropoulos, Maja Pantic
2012	J	`jnl`	Efficient Online Subspace Learning With an Indefinite Kernel for Visual Tracking and Recognition. IEEE Trans. Neural Networks Learn. Syst. Stephan Liwicki, Stefanos Zafeiriou, Georgios Tzimiropoulos, Maja Pantic
2012	—	`conf`	Generic Active Appearance Models Revisited. ACCV (3) Georgios Tzimiropoulos, Joan Alabort-i-Medina, Stefanos Zafeiriou, Maja Pantic
2012	J	`jnl`	Regularized Kernel Discriminant Analysis With a Robust Kernel for Face Recognition and Verification. IEEE Trans. Neural Networks Learn. Syst. Stefanos Zafeiriou, Georgios Tzimiropoulos, Maria Petrou, Tania Stathaki
2012	—	`conf`	Robust Learning from Normals for 3D Face Recognition. ECCV Workshops (2) Ioannis Marras, Stefanos Zafeiriou, Georgios Tzimiropoulos
2012	J	`jnl`	Subspace Learning from Image Gradient Orientations. IEEE Trans. Pattern Anal. Mach. Intell. Georgios Tzimiropoulos, Stefanos Zafeiriou, Maja Pantic
2011	B	`conf`	Fast and robust appearance-based tracking. FG Stephan Liwicki, Stefanos Zafeiriou, Georgios Tzimiropoulos, Maja Pantic
2011	B	`conf`	Principal component analysis of image gradient orientations for face recognition. FG Georgios Tzimiropoulos, Stefanos Zafeiriou, Maja Pantic
2011	A*	`conf`	Robust and efficient parametric face alignment. ICCV Georgios Tzimiropoulos, Stefanos Zafeiriou, Maja Pantic
2011	—	`conf`	Sparse representations of image gradient orientations for visual recognition and tracking. CVPR Workshops Georgios Tzimiropoulos, Stefanos Zafeiriou, Maja Pantic
2011	J	`jnl`	Subpixel Registration With Gradient Correlation. IEEE Trans. Image Process. Georgios Tzimiropoulos, Vasileios Argyriou, Tania Stathaki
2011	—	`conf`	Subspace analysis of arbitrarily many linear filter responses with an application to face tracking. CVPR Workshops Stefanos Zafeiriou, Georgios Tzimiropoulos, Maja Pantic
2010	Misc	`conf`	A new penalty term for the BIC with respect to speaker diarization. ICASSP Themos Stafylakis, Georgios Tzimiropoulos, Vassilis Katsouros, George Carayannis
2010	A*	`conf`	Bidirectional relighting for 3D-aided 2D face recognition. CVPR George Toderici, Georgios Passalis, Stefanos Zafeiriou, Georgios Tzimiropoulos, Maria Petrou, Theoharis Theoharis, Ioannis A. Kakadiaris
2010	J	`jnl`	On the Subspace of Image Gradient Orientations CoRR Georgios Tzimiropoulos, Stefanos Zafeiriou
2010	J	`jnl`	Robust FFT-Based Scale-Invariant Image Registration with Image Gradients. IEEE Trans. Pattern Anal. Mach. Intell. Georgios Tzimiropoulos, Vasileios Argyriou, Stefanos Zafeiriou, Tania Stathaki
2009	J	`jnl`	A Unifying Approach to Moment-Based Shape Orientation and Symmetry Classification. IEEE Trans. Image Process. Georgios Tzimiropoulos, Nikolaos Mitianoudis, Tania Stathaki
2009	Misc	`conf`	FFT-based estimation of large motions in images: A robust gradient-based approach. ICASSP Georgios Tzimiropoulos, Vasileios Argyriou, Tania Stathaki
2008	A	`conf`	A Frequency Domain Approach to Roto-translation Estimation using Gradient Cross-Correlation. BMVC Georgios Tzimiropoulos, Vasileios Argyriou, Tania Stathaki
2008	Misc	`conf`	Symmetry detection using frequency domain motion estimation techniques. ICASSP Georgios Tzimiropoulos, Vasileios Argyriou, Tania Stathaki
2007	—	`conf`	An Affine Invariant Function using PCA Bases with an Application to Within-Class Object Recognition. ICASSP (1) Georgios Tzimiropoulos, Nikolaos Mitianoudis, Tania Stathaki
2007	J	`jnl`	Robust Recognition of Planar Shapes Under Affine Transforms Using Principal Component Analysis. IEEE Signal Process. Lett. Georgios Tzimiropoulos, Nikolaos Mitianoudis, Tania Stathaki