Nikolaos Gkalelis

Researcher, CERTH/ITI

Joined

April 2022

Names

Nikolaos Gkalelis (Preferred)

Emails

****@iti.gr (Confirmed)

****@hotmail.com (Confirmed)

Personal Links

Career & Education History

Researcher

CERTH/ITI (iti.gr)

2017 – Present

Advisors, Relations & Conflicts

No relations added

Expertise

Deep Learning

Machine Learning

Video understanding

Multimedia understanding

2000 – Present

Digital Signal Processing

Image analysis

Video understanding

Multimedia understanding

2000 – Present

Publications

Gated-ViGAT: Efficient Bottom-Up Event Recognition and Explanation Using a New Frame Selection Policy and Gating Mechanism
Nikolaos Gkalelis, Dimitrios Daskalakis, Vasileios Mezaris
- 2023 (modified: 14 Apr 2023)
- CoRR 2023
- Readers: Everyone
TAME: Attention Mechanism Based Feature Fusion for Generating Explanation Maps of Convolutional Neural Networks
Mariano Ntrougkas, Nikolaos Gkalelis, Vasileios Mezaris
- 2023 (modified: 14 Apr 2023)
- CoRR 2023
- Readers: Everyone
Learning Visual Explanations for DCNN-Based Image Classifiers Using an Attention Mechanism
Ioanna Gkartzonika, Nikolaos Gkalelis, Vasileios Mezaris
- 2022 (modified: 14 Apr 2023)
- ECCV Workshops (8) 2022
- Readers: Everyone
Learning Visual Explanations for DCNN-Based Image Classifiers Using an Attention Mechanism
Ioanna Gkartzonika, Nikolaos Gkalelis, Vasileios Mezaris
- 2022 (modified: 14 Apr 2023)
- CoRR 2022
- Readers: Everyone
ViGAT: Bottom-up event recognition and explanation in video using factorized graph attention network
Nikolaos Gkalelis, Dimitrios Daskalakis, Vasileios Mezaris
- 2022 (modified: 14 Apr 2023)
- CoRR 2022
- Readers: Everyone
Gated-ViGAT: Efficient Bottom-Up Event Recognition and Explanation Using a New Frame Selection Policy and Gating Mechanism
Nikolaos Gkalelis, Dimitrios Daskalakis, Vasileios Mezaris
- 2022 (modified: 14 Apr 2023)
- ISM 2022
- Readers: Everyone
ViGAT: Bottom-Up Event Recognition and Explanation in Video Using Factorized Graph Attention Network
Nikolaos Gkalelis, Dimitrios Daskalakis, Vasileios Mezaris
- 2022 (modified: 14 Apr 2023)
- IEEE Access 2022
- Readers: Everyone
TAME: Attention Mechanism Based Feature Fusion for Generating Explanation Maps of Convolutional Neural Networks
Mariano Ntrougkas, Nikolaos Gkalelis, Vasileios Mezaris
- 2022 (modified: 14 Apr 2023)
- ISM 2022
- Readers: Everyone
Exploiting Out-of-Domain Datasets and Visual Representations for Image Sentiment Classification
Alexandros Pournaras, Nikolaos Gkalelis, Damianos Galanopoulos, Vasileios Mezaris
- 2021 (modified: 23 Feb 2022)
- SMAP 2021
- Readers: Everyone
ObjectGraphs: Using Objects and a Graph Convolutional Network for the Bottom-Up Recognition and Explanation of Events in Video
Nikolaos Gkalelis, Andreas Goulas, Damianos Galanopoulos, Vasileios Mezaris
- 2021 (modified: 23 Feb 2022)
- CVPR Workshops 2021
- Readers: Everyone

View all 41 publications

Co-Authors

View all 28 co-authors