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Irene Kotsia
Researcher at Middlesex University
Publications - 61
Citations - 5327
Irene Kotsia is an academic researcher from Middlesex University. The author has contributed to research in topics: Facial expression & Facial recognition system. The author has an hindex of 24, co-authored 61 publications receiving 3405 citations. Previous affiliations of Irene Kotsia include Aristotle University of Thessaloniki & University of London.
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Proceedings ArticleDOI
Aff-Wild: Valence and Arousal ‘In-the-Wild’ Challenge
Stefanos Zafeiriou,Dimitrios Kollias,Mihalis A. Nicolaou,Athanasios Papaioannou,Guoying Zhao,Irene Kotsia +5 more
TL;DR: The paper presents the database description, the experimental set up, the baseline method used for the Challenge, the summary of the performance of the different methods submitted to the Affect-in-the-Wild Challenge for Valence and Arousal estimation and the challenge demonstrates that meticulously designed deep neural networks can achieve very good performance when trained with in- the-wild data.
Proceedings ArticleDOI
GANFIT: Generative Adversarial Network Fitting for High Fidelity 3D Face Reconstruction
TL;DR: This paper utilizes GANs to train a very powerful generator of facial texture in UV space and revisits the original 3D Morphable Models (3DMMs) fitting approaches making use of non-linear optimization to find the optimal latent parameters that best reconstruct the test image but under a new perspective.
Journal ArticleDOI
Deep Affect Prediction in-the-Wild: Aff-Wild Database and Challenge, Deep Architectures, and Beyond
Dimitrios Kollias,Panagiotis Tzirakis,Mihalis A. Nicolaou,Athanasios Papaioannou,Guoying Zhao,Björn Schuller,Irene Kotsia,Stefanos Zafeiriou +7 more
TL;DR: In this article, an end-to-end deep neural architecture was proposed for predicting continuous emotion dimensions based on visual cues. But the performance of the proposed architecture was not as good as the state-of-the-art.
Journal ArticleDOI
An analysis of facial expression recognition under partial facial image occlusion
TL;DR: The way partial occlusion affects human observers when recognizing facial expressions is indicated and conclusions regarding the pairs of facial expressions misclassifications that each type of Occlusion introduces are drawn.
Proceedings ArticleDOI
Recognition of Affect in the Wild Using Deep Neural Networks
TL;DR: This paper utilizes the first large-scale "in-the-wild" (Aff-Wild) database, which is annotated in terms of the valence-arousal dimensions, to train and test an end-to-end deep neural architecture for the estimation of continuous emotion dimensions based on visual cues.