no code implementations • 19 Dec 2023 • Efthymios Georgiou, Yannis Avrithis, Alexandros Potamianos
Multimodal sentiment analysis (MSA) leverages heterogeneous data sources to interpret the complex nature of human sentiments.
no code implementations • 3 May 2023 • Efthymios Georgiou, Alexandros Potamianos
Data augmentation is a prevalent technique for improving performance in various machine learning applications.
no code implementations • 15 Dec 2022 • Nikolaos Antoniou, Efthymios Georgiou, Alexandros Potamianos
Designing powerful adversarial attacks is of paramount importance for the evaluation of $\ell_p$-bounded adversarial defenses.
1 code implementation • 2 Jul 2022 • Eleftherios Kapelonis, Efthymios Georgiou, Alexandros Potamianos
Task-oriented dialogue systems often employ a Dialogue State Tracker (DST) to successfully complete conversations.
no code implementations • 28 Apr 2022 • Efthymios Georgiou, Kosmas Kritsis, Georgios Paraskevopoulos, Athanasios Katsamanis, Vassilis Katsouros, Alexandros Potamianos
Recent deep learning Text-to-Speech (TTS) systems have achieved impressive performance by generating speech close to human parity.
1 code implementation • 24 Jan 2022 • Georgios Paraskevopoulos, Efthymios Georgiou, Alexandros Potamianos
Current deep learning approaches for multimodal fusion rely on bottom-up fusion of high and mid-level latent modality representations (late/mid fusion) or low level sensory inputs (early fusion).
Ranked #7 on Multimodal Sentiment Analysis on CMU-MOSEI (using extra training data)
no code implementations • 18 Feb 2021 • Efthymios Georgiou, Athanasios Katsamanis
This brief literature review studies the problem of audiovisual speech synthesis, which is the problem of generating an animated talking head given a text as input.
1 code implementation • 8 Feb 2021 • Georgios Chochlakis, Efthymios Georgiou, Alexandros Potamianos
In this work, we introduce Z2FSL, an end-to-end generative ZSL framework that uses such an approach as a backbone and feeds its synthesized output to a Few-Shot Learning (FSL) algorithm.