Implicit and explicit concept relations in deep neural networks for multi-label video/image annotation

F Markatopoulou, V Mezaris… - IEEE transactions on …, 2018 - ieeexplore.ieee.org
In this paper, we propose a deep convolutional neural network (DCNN) architecture that
addresses the problem of video/image concept annotation by exploiting concept relations at …

Enhancement of DNN-based multilabel classification by grouping labels based on data imbalance and label correlation

L Chen, Y Wang, H Li - Pattern Recognition, 2022 - Elsevier
Multilabel classification (MLC) is a challenging task in real-world applications, such as
project document classification which led us to conduct this research. In the past decade …

Automatic labeling of river restoration project documents based on project objectives and restoration methods

L Chen, Y Wang, S Mo - Expert Systems with Applications, 2022 - Elsevier
River restoration projects are widely implemented around the world. Such projects are
usually complicated endeavors. Engineering, environmental, and social impacts must be …

[PDF][PDF] ITI-CERTH participation to TRECVID 2013.

F Markatopoulou, A Moumtzidou, D Galanopoulos… - TRECVID, 2013 - npit.github.io
This paper provides an overview of the runs submitted to TRECVID 2015 by ITI-CERTH.
ITICERTH participated in the Semantic Indexing (SIN), Multimedia Event Detection (MED) …

Improved force-directed scheduling

WFJ Verhaegh, EHL Aarts, JHM Korst… - Proceedings of the …, 1991 - ieeexplore.ieee.org
Presents a mathematical justification of the technique of force-directed scheduling and
propose two modifications of the basic algorithm introduced by Paulin and Knight. The newly …

Online multi-task learning for semantic concept detection in video

F Markatopoulou, V Mezaris… - 2016 IEEE International …, 2016 - ieeexplore.ieee.org
In this paper we propose an online multi-task learning algorithm for video concept detection.
In particular, we extend the Efficient Lifelong Learning Algorithm (ELLA) in the following …

Towards air quality estimation using collected multimodal environmental data

A Moumtzidou, S Papadopoulos, S Vrochidis… - … Online Platforms for …, 2016 - Springer
This paper presents an open platform, which collects multimodal environmental data related
to air quality from several sources including official open sources, social media and citizens …

Verge: A multimodal interactive search engine for video browsing and retrieval

A Moumtzidou, T Mironidis, E Apostolidis… - … Conference, MMM 2016 …, 2016 - Springer
This paper presents VERGE interactive search engine, which is capable of browsing and
searching into video content. The system integrates content-based analysis and retrieval …

Personal photo management and preservation

A Ceroni - … Preservation: Remembering or Forgetting Images and …, 2018 - Springer
Thanks to the spread of digital photography and available devices, taking photographs has
become effortless and tolerated nearly everywhere. This makes people easily ending up …

GPU accelerated generalised subclass discriminant analysis for event and concept detection in video

S Arestis-Chartampilas, N Gkalelis… - Proceedings of the 23rd …, 2015 - dl.acm.org
In this paper a discriminant analysis (DA) technique called accelerated generalised
subclass discriminant analysis (AGSDA) and its GPU implementation are presented. This …