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Stefanos Zafeiriou

Researcher at Imperial College London

Publications -  406
Citations -  26443

Stefanos Zafeiriou is an academic researcher from Imperial College London. The author has contributed to research in topics: Facial recognition system & Computer science. The author has an hindex of 60, co-authored 375 publications receiving 17993 citations. Previous affiliations of Stefanos Zafeiriou include Huawei & Aristotle University of Thessaloniki.

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The ICL-TUM-PASSAU Approach for the MediaEval 2015 "Affective Impact of Movies" Task

TL;DR: The Imperial College London, Technische Universitat Munchen and University of Passau team approach to the MediaEval's "Affective Impact of Movies" challenge, which consists in the automatic detection of affective and violent content in movie excerpts, is described.
Journal ArticleDOI

Beyond FCM: Graph-theoretic post-processing algorithms for learning and representing the data structure

TL;DR: It is shown that when fuzzy C-means (FCM) algorithm is used in an over-partitioning mode, the resulting membership values can be further utilized for building a connectivity graph that represents the relative distribution of the computed centroids.
Posted Content

Towards a complete 3D morphable model of the human head

TL;DR: In this paper, the authors presented the most complete 3DMM of the human head to date that includes face, cranium, ears, eyes, teeth and tongue, and used the Gaussian Process framework to blend covariance matrices from multiple models.
Posted Content

The Unconstrained Ear Recognition Challenge

TL;DR: The Unconstrained Ear Recognition Challenge (UERC) as mentioned in this paper was a group benchmarking effort centered around the problem of person recognition from ear images captured in uncontrolled conditions, where the goal was to assess the performance of existing ear recognition techniques on a challenging large-scale dataset and identify open problems that need to be addressed in the future.
Book ChapterDOI

Real-world automatic continuous affect recognition from audiovisual signals

TL;DR: This chapter aims at highlighting the differences between real-world and laboratory settings, describing emotions for audio and video-based recognition, and presenting the current state of the affective computing community.