ABOUT

2014-Present

PhD Student in Queen Mary University of London

Supervisor: Dr. Ioannis Patras

2012-Present

Research assistant at Information and Technologies Institute of CERTH (ITI-CERTH)

Research and development of deep learning and machine learning techniques for concept-based video annotation, event detection and ad-hoc video search.

Research group of Dr. Vasileios Mezaris

2011-2012

MSc in Advanced Computing: Machine Learning and Data Mining

University of Bristol, Department of Computer Science

Supervisor: Professor Peter Flach

2006-2011

BSc in Informatics

Aristotle University of Thessaloniki, Department of Informatics

Supervisor: Dr. Grigorios Tsoumakas

Bio: I received my BSc in Informatics from Aristotle University of Thessaloniki in 2011 and my MSc in Advanced Computing: Machine Learning and Data Mining from University of Bristol. My research revolves around machine learning and multimedia analysis, including deep learning for concept- and event-based video annotation, new deep-learning architectures, multi-task learning and structured output prediction.

SELECTED PUBLICATIONS

Query and Keyframe Representations for Ad-hoc Video Search [PDF]

F. Markatopoulou, D. Galanopoulos, V. Mezaris, I. Patras, ICMR 2017, Bucharest


Deep Multi-task Learning with Label Correlation Constraint for Video Concept Detection [PDF]

F. Markatopoulou, V. Mezaris, I. Patras, ACM Multimedia 2016, Amsterdam


Online Multi-Task Learning for Semantic Concept Detection in Video [PDF] [SLIDES]

F. Markatopoulou, V. Mezaris, I. Patras, IEEE Int. Conf. on Image Processing (ICIP 2016), Phoenix, AZ, USA,


Ordering of Visual Descriptors in a Classifier Cascade Towards Improved Video Concept Detection [PDF]

F. Markatopoulou, V. Mezaris, I. Patras, Int. Conf. on MultiMedia Modeling (MMM'16), Miami, FL, USA


Local Features and a Two-Layer Stacking Architecture for Semantic Concept Detection in Video [PDF]

F. Markatopoulou, V. Mezaris, N. Pittaras, I. Patras, IEEE Trans. on Emerging Topics in Computing, vol. 3, no. 2, June 2015


.

Full list of publications available [here]

Online demos available [here]

PROJECTS