Christos Tzelepis

57 papers A* 7A 2B 6Journal 32Unranked 8
YearRankTypeTitle / 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
2025 B conf
DiffusionAct: Controllable Diffusion Autoencoder for One-shot Face Reenactment.
FG
Stella Bounareli, Christos Tzelepis, Vasileios Argyriou, Ioannis Patras, 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
2024 — conf
Are CLIP Features All You Need for Universal Synthetic Image Origin Attribution?
ECCV Workshops (21)
Dario Cioni, Christos Tzelepis, Lorenzo Seidenari, Ioannis Patras
2024 J jnl
Are CLIP features all you need for Universal Synthetic Image Origin Attribution?
CoRR
Dario Cioni, Christos Tzelepis, Lorenzo Seidenari, Ioannis Patras
2024 J jnl
Bilinear Models of Parts and Appearances in Generative Adversarial Networks.
IEEE Trans. Pattern Anal. Mach. Intell.
James Oldfield, Christos Tzelepis, Yannis Panagakis, Mihalis A. Nicolaou, Ioannis Patras
2024 — conf
DISYRE: Diffusion-Inspired Synthetic Restoration for Unsupervised Anomaly Detection.
ISBI
Sergio Naval Marimont, Matthew Baugh, Vasilis Siomos, Christos Tzelepis, Bernhard Kainz, Giacomo Tarroni
2024 J jnl
DiffusionAct: Controllable Diffusion Autoencoder for One-shot Face Reenactment.
CoRR
Stella Bounareli, Christos Tzelepis, Vasileios Argyriou, Ioannis Patras, Georgios Tzimiropoulos
2024 — conf
Ensembled Cold-Diffusion Restorations for Unsupervised Anomaly Detection.
MICCAI (11)
Sergio Naval Marimont, Vasilis Siomos, Matthew Baugh, Christos Tzelepis, Bernhard Kainz, Giacomo Tarroni
2024 J jnl
Ensembled Cold-Diffusion Restorations for Unsupervised Anomaly Detection.
CoRR
Sergio Naval Marimont, Vasilis Siomos, Matthew Baugh, Christos Tzelepis, Bernhard Kainz, Giacomo Tarroni
2024 A conf
Improving Fairness using Vision-Language Driven Image Augmentation.
WACV
Moreno D'Incà, Christos Tzelepis, Ioannis Patras, Nicu Sebe
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 A* conf
Multilinear Mixture of Experts: Scalable Expert Specialization through Factorization.
NeurIPS
James Oldfield, Markos Georgopoulos, Grigorios Chrysos, Christos Tzelepis, Yannis Panagakis, Mihalis Nicolaou, Jiankang Deng, Ioannis Patras
2024 J jnl
Multilinear Mixture of Experts: Scalable Expert Specialization through Factorization.
CoRR
James Oldfield, Markos Georgopoulos, Grigorios G. Chrysos, Christos Tzelepis, Yannis Panagakis, Mihalis A. Nicolaou, Jiankang Deng, 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
2023 A conf
"Just To See You Smile": SMILEY, a Voice-Guided GUY GAN.
WSDM
Qi Yang, Christos Tzelepis, Sergey I. Nikolenko, Ioannis Patras, Aleksandr Farseev
2023 A* conf
Attribute-Preserving Face Dataset Anonymization via Latent Code Optimization.
CVPR
Simone Barattin, Christos Tzelepis, Ioannis Patras, Nicu Sebe
2023 J jnl
Attribute-preserving Face Dataset Anonymization via Latent Code Optimization.
CoRR
Simone Barattin, Christos Tzelepis, Ioannis Patras, Nicu Sebe
2023 J jnl
DISYRE: Diffusion-Inspired SYnthetic REstoration for Unsupervised Anomaly Detection.
CoRR
Sergio Naval Marimont, Matthew Baugh, Vasilis Siomos, Christos Tzelepis, Bernhard Kainz, Giacomo Tarroni
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 J jnl
Improving Fairness using Vision-Language Driven Image Augmentation.
CoRR
Moreno D'Incà, Christos Tzelepis, Ioannis Patras, Nicu Sebe
2023 A* conf
PandA: Unsupervised Learning of Parts and Appearances in the Feature Maps of GANs.
ICLR
James Oldfield, Christos Tzelepis, Yannis Panagakis, Mihalis Nicolaou, Ioannis Patras
2023 A* conf
Parts of Speech-Grounded Subspaces in Vision-Language Models.
NeurIPS
James Oldfield, Christos Tzelepis, Yannis Panagakis, Mihalis Nicolaou, Ioannis Patras
2023 J jnl
Parts of Speech-Grounded Subspaces in Vision-Language Models.
CoRR
James Oldfield, Christos Tzelepis, Yannis Panagakis, Mihalis A. Nicolaou, Ioannis Patras
2023 — conf
Self-Supervised Video Similarity Learning.
CVPR Workshops
Giorgos Kordopatis-Zilos, Giorgos Tolias, Christos Tzelepis, Ioannis Kompatsiaris, Ioannis Patras, Symeon Papadopoulos
2023 J jnl
Self-Supervised Video Similarity Learning.
CoRR
Giorgos Kordopatis-Zilos, Giorgos Tolias, Christos Tzelepis, Ioannis Kompatsiaris, Ioannis Patras, Symeon Papadopoulos
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 J jnl
DnS: Distill-and-Select for Efficient and Accurate Video Indexing and Retrieval.
Int. J. Comput. Vis.
Giorgos Kordopatis-Zilos, Christos Tzelepis, Symeon Papadopoulos, Ioannis Kompatsiaris, Ioannis Patras
2022 J jnl
PandA: Unsupervised Learning of Parts and Appearances in the Feature Maps of GANs.
CoRR
James Oldfield, Christos Tzelepis, Yannis Panagakis, Mihalis A. Nicolaou, 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
2021 J jnl
DnS: Distill-and-Select for Efficient and Accurate Video Indexing and Retrieval.
CoRR
Giorgos Kordopatis-Zilos, Christos Tzelepis, Symeon Papadopoulos, Ioannis Kompatsiaris, Ioannis Patras
2021 B conf
Estimating continuous affect with label uncertainty.
ACII
Niki Maria Foteinopoulou, Christos Tzelepis, Ioannis Patras
2021 B conf
Few-Shot Action Localization without Knowing Boundaries.
ICMR
Ting-Ting Xie, Christos Tzelepis, Fan Fu, Ioannis Patras
2021 J jnl
Few-Shot Action Localization without Knowing Boundaries.
CoRR
Ting-Ting Xie, Christos Tzelepis, Fan Fu, Ioannis Patras
2021 J jnl
Uncertainty Propagation in Convolutional Neural Networks: Technical Report.
CoRR
Christos Tzelepis, Ioannis Patras
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
Boundary Uncertainty in a Single-Stage Temporal Action Localization Network.
CoRR
Tingting Xie, Christos Tzelepis, Ioannis Patras
2020 J jnl
Temporal Action Localization with Variance-Aware Networks.
CoRR
Ting-Ting Xie, Christos Tzelepis, Ioannis Patras
2019 J jnl
A deep generic to specific recognition model for group membership analysis using non-verbal cues.
Image Vis. Comput.
Wenxuan Mou, Christos Tzelepis, Vasileios Mezaris, Hatice Gunes, Ioannis Patras
2018 J jnl
Linear Maximum Margin Classifier for Learning from Uncertain Data.
IEEE Trans. Pattern Anal. Mach. Intell.
Christos Tzelepis, Vasileios Mezaris, Ioannis Patras
2018 — —
Maximum margin learning under uncertainty.
Christos Tzelepis
2018 — ch.
Multimedia Processing Essentials.
Personal Multimedia Preservation
Konstantinos Apostolidis, Foteini Markatopoulou, Christos Tzelepis, Vasileios Mezaris, Ioannis Patras
2017 B conf
Generic to Specific Recognition Models for Membership Analysis in Group Videos.
FG
Wenxuan Mou, Christos Tzelepis, Vasileios Mezaris, Hatice Gunes, Ioannis Patras
2016 J jnl
Event-based media processing and analysis: A survey of the literature.
Image Vis. Comput.
Christos Tzelepis, Zhigang Ma, Vasileios Mezaris, Bogdan Ionescu, Ioannis Kompatsiaris, Giulia Boato, Nicu Sebe, Shuicheng Yan
2016 J jnl
Learning to detect video events from zero or very few video examples.
Image Vis. Comput.
Christos Tzelepis, Damianos Galanopoulos, Vasileios Mezaris, Ioannis Patras
2016 — conf
Video Event Detection Using Kernel Support Vector Machine with Isotropic Gaussian Sample Uncertainty (KSVM-iGSU).
MMM (1)
Christos Tzelepis, Vasileios Mezaris, Ioannis Patras
2016 B conf
Video aesthetic quality assessment using kernel Support Vector Machine with isotropic Gaussian sample uncertainty (KSVM-IGSU).
ICIP
Christos Tzelepis, Eftichia Mavridaki, Vasileios Mezaris, Ioannis Patras
2015 — conf
ITI-CERTH participation to TRECVID 2015.
TRECVID
Foteini Markatopoulou, Anastasia Ioannidou, Christos Tzelepis, Theodoros Mironidis, Damianos Galanopoulos, Stavros Arestis-Chartampilas, Nikiforos Pittaras, Konstantinos Avgerinakis, Nikolaos Gkalelis, Anastasia Moumtzidou, Stefanos Vrochidis, Vasileios Mezaris, Ioannis Kompatsiaris, Ioannis Patras
2015 J jnl
Learning to detect video events from zero or very few video examples.
CoRR
Christos Tzelepis, Damianos Galanopoulos, Vasileios Mezaris, Ioannis Patras
2015 J jnl
Linear Maximum Margin Classifier for Learning from Uncertain Data.
CoRR
Christos Tzelepis, Vasileios Mezaris, Ioannis Patras
2013 — conf
ITI-CERTH participation to TRECVID 2013.
TRECVID
Fotini Markatopoulou, Anastasia Moumtzidou, Christos Tzelepis, Konstantinos Avgerinakis, Nikolaos Gkalelis, Stefanos Vrochidis, Vasileios Mezaris, Ioannis Kompatsiaris
2013 A* conf
Improving event detection using related videos and relevance degree support vector machines.
ACM Multimedia
Christos Tzelepis, Nikolaos Gkalelis, Vasileios Mezaris, Ioannis Kompatsiaris