Christos Koutlis

66 papers A 2B 5Journal 47Unranked 12
YearRankTypeTitle / Venue / Authors
2025 J jnl
AuViRe: Audio-visual Speech Representation Reconstruction for Deepfake Temporal Localization.
CoRR
Christos Koutlis, Symeon Papadopoulos
2025 — conf
BAdd: Bias Mitigation Through Bias Addition.
ICCVW
Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos, Christos Diou
2025 — conf
Composite Data Augmentations for Synthetic Image Detection Against Real-World Perturbations.
EUSIPCO
Efthymia Amarantidou, Christos Koutlis, Symeon Papadopoulos, Panagiotis C. Petrantonakis
2025 J jnl
Composite Data Augmentations for Synthetic Image Detection Against Real-World Perturbations.
CoRR
Efthymia Amarantidou, Christos Koutlis, Symeon Papadopoulos, Panagiotis C. Petrantonakis
2025 J jnl
Designing and Generating Diverse, Equitable Face Image Datasets for Face Verification Tasks.
CoRR
Georgia Baltsou, Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos
2025 J jnl
FLAC: Fairness-Aware Representation Learning by Suppressing Attribute-Class Associations.
IEEE Trans. Pattern Anal. Mach. Intell.
Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos, Christos Diou
2025 A conf
InDistill: Information flow-preserving knowledge distillation for model compression.
WACV
Ioannis Sarridis, Christos Koutlis, Giorgos Kordopatis-Zilos, Ioannis Kompatsiaris, Symeon Papadopoulos
2025 J jnl
Latent Multimodal Reconstruction for Misinformation Detection.
CoRR
Stefanos-Iordanis Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Panagiotis C. Petrantonakis
2025 J jnl
Navigating the Challenges of AI-Generated Image Detection in the Wild: What Truly Matters?
CoRR
Despina Konstantinidou, Dimitrios Karageorgiou, Christos Koutlis, Olga Papadopoulou, Emmanouil Schinas, Symeon Papadopoulos
2025 J jnl
RED-DOT: Multimodal Fact-Checking viaRelevant Evidence Detection.
IEEE Trans. Comput. Soc. Syst.
Stefanos-Iordanis Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Panagiotis C. Petrantonakis
2025 A conf
Similarity Over Factuality: Are we Making Progress on Multimodal Out-of-Context Misinformation Detection?
WACV
Stefanos-Iordanis Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Panagiotis C. Petrantonakis
2025 — conf
TextureCrop: Enhancing Synthetic Image Detection Through Texture-Based Cropping.
WACV (Workshops)
Despina Konstantinidou, Christos Koutlis, Symeon Papadopoulos
2025 — conf
VB-Mitigator: An Open-source Framework for Evaluating and Advancing Visual Bias Mitigation.
AEQUITAS@ECAI
Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos, Christos Diou
2025 J jnl
VB-Mitigator: An Open-source Framework for Evaluating and Advancing Visual Bias Mitigation.
CoRR
Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos, Christos Diou
2024 B conf
A CLIP-based Siamese Approach for Meme Classification.
IJCNN
Javier Huertas-Tato, Christos Koutlis, Symeon Papadopoulos, David Camacho, Ioannis Kompatsiaris
2024 J jnl
A CLIP-based siamese approach for meme classification.
CoRR
Javier Huertas-Tato, Christos Koutlis, Symeon Papadopoulos, David Camacho, Ioannis Kompatsiaris
2024 J jnl
BAdd: Bias Mitigation through Bias Addition.
CoRR
Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos, Christos Diou
2024 J jnl
DiMoDif: Discourse Modality-information Differentiation for Audio-visual Deepfake Detection and Localization.
CoRR
Christos Koutlis, Symeon Papadopoulos
2024 — conf
FRCSyn Challenge at WACV 2024: Face Recognition Challenge in the Era of Synthetic Data.
WACV (Workshops)
Pietro Melzi, Ruben Tolosana, Rubén Vera-Rodríguez, Minchul Kim, Christian Rathgeb, Xiaoming Liu, Ivan DeAndres-Tame, Aythami Morales, Julian Fiérrez, Javier Ortega-Garcia, Weisong Zhao, Xiangyu Zhu, Zheyu Yan, Xiaoyu Zhang, Jinlin Wu, Zhen Lei, Suvidha Tripathi, Mahak Kothari, Md Haider Zama, Debayan Deb, Bernardo Biesseck, Pedro Vidal, Roger Granada, Guilherme P. Fickel, Gustavo Führ, David Menotti, Alexander Unnervik, Anjith George, Christophe Ecabert, Hatef Otroshi-Shahreza, Parsa Rahimi, Sébastien Marcel, Ioannis Sarridis, Christos Koutlis, Georgia Baltsou, Symeon Papadopoulos, Christos Diou, Nicolò Di Domenico, Guido Borghi, Lorenzo Pellegrini, Enrique Mas-Candela, Ángela Sánchez-Pérez, Andrea Atzori, Gianni Fenu, Fadi Boutros, Mirko Marras, Naser Damer
2024 J jnl
FRCSyn-onGoing: Benchmarking and comprehensive evaluation of real and synthetic data to improve face recognition systems.
Inf. Fusion
Pietro Melzi, Ruben Tolosana, Rubén Vera-Rodríguez, Minchul Kim, Christian Rathgeb, Xiaoming Liu, Ivan DeAndres-Tame, Aythami Morales, Julian Fiérrez, Javier Ortega-Garcia, Weisong Zhao, Xiangyu Zhu, Zheyu Yan, Xiaoyu Zhang, Jinlin Wu, Zhen Lei, Suvidha Tripathi, Mahak Kothari, Md Haider Zama, Debayan Deb, Bernardo Biesseck, Pedro Vidal, Roger Granada, Guilherme P. Fickel, Gustavo Führ, David Menotti, Alexander Unnervik, Anjith George, Christophe Ecabert, Hatef Otroshi-Shahreza, Parsa Rahimi, Sébastien Marcel, Ioannis Sarridis, Christos Koutlis, Georgia Baltsou, Symeon Papadopoulos, Christos Diou, Nicolò Di Domenico, Guido Borghi, Lorenzo Pellegrini, Enrique Mas-Candela, Ángela Sánchez-Pérez, Andrea Atzori, Fadi Boutros, Naser Damer, Gianni Fenu, Mirko Marras
2024 B conf
FaceX: Understanding Face Attribute Classifiers through Summary Model Explanations.
ICMR
Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos, Christos Diou
2024 J jnl
FaceX: Understanding Face Attribute Classifiers through Summary Model Explanations.
CoRR
Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos, Christos Diou
2024 B conf
FairBranch: Mitigating Bias Transfer in Fair Multi-task Learning.
IJCNN
Arjun Roy, Christos Koutlis, Symeon Papadopoulos, Eirini Ntoutsi
2024 — conf
Leveraging Representations from Intermediate Encoder-Blocks for Synthetic Image Detection.
ECCV (72)
Christos Koutlis, Symeon Papadopoulos
2024 J jnl
Leveraging Representations from Intermediate Encoder-blocks for Synthetic Image Detection.
CoRR
Christos Koutlis, Symeon Papadopoulos
2024 J jnl
MAVias: Mitigate any Visual Bias.
CoRR
Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos, Christos Diou
2024 J jnl
PolyMeme: Fine-Grained Internet Meme Sensing.
Sensors
Vasileios Arailopoulos, Christos Koutlis, Symeon Papadopoulos, Panagiotis C. Petrantonakis
2024 B conf
SDFD: Building a Versatile Synthetic Face Image Dataset with Diverse Attributes.
FG
Georgia Baltsou, Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos
2024 J jnl
SDFD: Building a Versatile Synthetic Face Image Dataset with Diverse Attributes.
CoRR
Georgia Baltsou, Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos
2024 J jnl
Similarity over Factuality: Are we making progress on multimodal out-of-context misinformation detection?
CoRR
Stefanos-Iordanis Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Panagiotis C. Petrantonakis
2024 J jnl
TextureCrop: Enhancing Synthetic Image Detection through Texture-based Cropping.
CoRR
Despina Konstantinidou, Christos Koutlis, Symeon Papadopoulos
2024 J jnl
VERITE: a Robust benchmark for multimodal misinformation detection accounting for unimodal bias.
Int. J. Multim. Inf. Retr.
Stefanos-Iordanis Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Panagiotis C. Petrantonakis
2024 J jnl
Zero-Shot Content-Based Crossmodal Recommendation System.
Expert Syst. Appl.
Federico D'Asaro, Sara De Luca, Lorenzo Bongiovanni, Giuseppe Rizzo, Symeon Papadopoulos, Manos Schinas, Christos Koutlis
2023 J jnl
FLAC: Fairness-Aware Representation Learning by Suppressing Attribute-Class Associations.
CoRR
Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos, Christos Diou
2023 J jnl
FRCSyn Challenge at WACV 2024: Face Recognition Challenge in the Era of Synthetic Data.
CoRR
Pietro Melzi, Ruben Tolosana, Rubén Vera-Rodríguez, Minchul Kim, Christian Rathgeb, Xiaoming Liu, Ivan DeAndres-Tame, Aythami Morales, Julian Fiérrez, Javier Ortega-Garcia, Weisong Zhao, Xiangyu Zhu, Zheyu Yan, Xiaoyu Zhang, Jinlin Wu, Zhen Lei, Suvidha Tripathi, Mahak Kothari, Md Haider Zama, Debayan Deb, Bernardo Biesseck, Pedro Vidal, Roger Granada, Guilherme P. Fickel, Gustavo Führ, David Menotti, Alexander Unnervik, Anjith George, Christophe Ecabert, Hatef Otroshi-Shahreza, Parsa Rahimi, Sébastien Marcel, Ioannis Sarridis, Christos Koutlis, Georgia Baltsou, Symeon Papadopoulos, Christos Diou, Nicolò Di Domenico, Guido Borghi, Lorenzo Pellegrini, Enrique Mas-Candela, Ángela Sánchez-Pérez, Andrea Atzori, Fadi Boutros, Naser Damer, Gianni Fenu, Mirko Marras
2023 J jnl
FairBranch: Fairness Conflict Correction on Task-group Branches for Fair Multi-Task Learning.
CoRR
Arjun Roy, Christos Koutlis, Symeon Papadopoulos, Eirini Ntoutsi
2023 J jnl
Figments and Misalignments: A Framework for Fine-grained Crossmodal Misinformation Detection.
CoRR
Stefanos-Iordanis Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Panagiotis C. Petrantonakis
2023 B conf
MemeFier: Dual-stage Modality Fusion for Image Meme Classification.
ICMR
Christos Koutlis, Manos Schinas, Symeon Papadopoulos
2023 J jnl
MemeFier: Dual-stage Modality Fusion for Image Meme Classification.
CoRR
Christos Koutlis, Manos Schinas, Symeon Papadopoulos
2023 J jnl
MemeTector: enforcing deep focus for meme detection.
Int. J. Multim. Inf. Retr.
Christos Koutlis, Manos Schinas, Symeon Papadopoulos
2023 J jnl
RED-DOT: Multimodal Fact-checking via Relevant Evidence Detection.
CoRR
Stefanos-Iordanis Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Panagiotis C. Petrantonakis
2023 — conf
Synthetic Misinformers: Generating and Combating Multimodal Misinformation.
MAD@ICMR
Stefanos-Iordanis Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Panagiotis Petrantonakis
2023 J jnl
Synthetic Misinformers: Generating and Combating Multimodal Misinformation.
CoRR
Stefanos-Iordanis Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Panagiotis C. Petrantonakis
2023 — conf
Towards Fair Face Verification: An In-depth Analysis of Demographic Biases.
PKDD/ECML Workshops (1)
Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos, Christos Diou
2023 J jnl
Towards Fair Face Verification: An In-depth Analysis of Demographic Biases.
CoRR
Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos, Christos Diou
2023 J jnl
VICTOR: Visual incompatibility detection with transformers and fashion-specific contrastive pre-training.
J. Vis. Commun. Image Represent.
Stefanos-Iordanis Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Ioannis Kompatsiaris
2022 J jnl
Design-time Fashion Popularity Forecasting in VR Environments.
CoRR
Stefanos-Iordanis Papadopoulos, Christos Koutlis, Anastasios Papazoglou-Chalikias, Symeon Papadopoulos, Spiros Nikolopoulos
2022 J jnl
InDistill: Transferring Knowledge From Pruned Intermediate Layers.
CoRR
Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos, Ioannis Kompatsiaris
2022 — conf
Leveraging Large-scale Multimedia Datasets to Refine Content Moderation Models.
BigMM
Ioannis Sarridis, Christos Koutlis, Olga Papadopoulou, Symeon Papadopoulos
2022 J jnl
Leveraging Large-scale Multimedia Datasets to Refine Content Moderation Models.
CoRR
Ioannis Sarridis, Christos Koutlis, Olga Papadopoulou, Symeon Papadopoulos
2022 J jnl
MemeTector: Enforcing deep focus for meme detection.
CoRR
Christos Koutlis, Manos Schinas, Symeon Papadopoulos
2022 J jnl
Multimodal Quasi-AutoRegression: Forecasting the visual popularity of new fashion products.
CoRR
Stefanos I. Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Ioannis Kompatsiaris
2022 J jnl
Multimodal Quasi-AutoRegression: forecasting the visual popularity of new fashion products.
Int. J. Multim. Inf. Retr.
Stefanos-Iordanis Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Ioannis Kompatsiaris
2022 — conf
Novel Paradigms of Human-Fashion Interaction.
SETN
Anastasios Papazoglou-Chalikias, Elias Kouslis, Orestis Sarakatsanos, Andromachi Boikou, Stefanos-Iordanis Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Spiros Nikolopoulos, Ioannis Kompatsiaris, David Gavilan, Dongjoe Shin, Yu Chen, Axl François, Michaela Jauk, Jamie Sutherland
2022 J jnl
VICTOR: Visual Incompatibility Detection with Transformers and Fashion-specific contrastive pre-training.
CoRR
Stefanos-Iordanis Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Ioannis Kompatsiaris
2021 J jnl
The Effect of a Hidden Source on the Estimation of Connectivity Networks from Multivariate Time Series.
Entropy
Christos Koutlis, Dimitris Kugiumtzis
2020 J jnl
GAP: Geometric Aggregation of Popularity Metrics.
Inf.
Christos Koutlis, Manos Schinas, Symeon Papadopoulos, Ioannis Kompatsiaris
2020 J jnl
LAVARNET: Neural Network Modeling of Causal Variable Relationships for Multivariate Time Series Forecasting.
CoRR
Christos Koutlis, Symeon Papadopoulos, Manos Schinas, Ioannis Kompatsiaris
2020 J jnl
LAVARNET: Neural network modeling of causal variable relationships for multivariate time series forecasting.
Appl. Soft Comput.
Christos Koutlis, Symeon Papadopoulos, Manos Schinas, Ioannis Kompatsiaris
2019 — conf
Data-Driven Song Recognition Estimation Using Collective Memory Dynamics Models.
ISMIR
Christos Koutlis, Manos Schinas, Vasiliki Gkatziaki, Symeon Papadopoulos, Yiannis Kompatsiaris
2019 J jnl
Evaluation of Granger Causality Measures for Constructing Networks from Multivariate Time Series.
Entropy
Elsa Siggiridou, Christos Koutlis, Alkiviadis Tsimpiris, Dimitris Kugiumtzis
2019 J jnl
Evaluation of Granger causality measures for constructing networks from multivariate time series.
CoRR
Elsa Siggiridou, Christos Koutlis, Alkiviadis Tsimpiris, Dimitris Kugiumtzis
2019 J jnl
Identification of Hidden Sources by Estimating Instantaneous Causality in High-Dimensional Biomedical Time Series.
Int. J. Neural Syst.
Christos Koutlis, Vasilios K. Kimiskidis, Dimitris Kugiumtzis
2017 J jnl
Dynamics of Epileptiform Discharges Induced by Transcranial Magnetic Stimulation in Genetic Generalized Epilepsy.
Int. J. Neural Syst.
Dimitris Kugiumtzis, Christos Koutlis, Alkiviadis Tsimpiris, Vasilios K. Kimiskidis
2015 — conf
Causality networks from multivariate time series and application to epilepsy.
EMBC
Elsa Siggiridou, Christos Koutlis, Alkiviadis Tsimpiris, Vasilios K. Kimiskidis, Dimitris Kugiumtzis
2015 J jnl
Transcranial Magnetic Stimulation Combined with EEG Reveals Covert States of Elevated Excitability in the Human Epileptic Brain.
Int. J. Neural Syst.
Vasilios K. Kimiskidis, Christos Koutlis, Alkiviadis Tsimpiris, Reetta Kälviäinen, Philippe Ryvlin, Dimitris Kugiumtzis