Dimitrios Kollias

Mr. Dimitrios Kollias

Position:

Research Assistant / PhD Student

Email:

Biography

Dimitrios Kollias, Fellow of Higher Education Academy (FHEA) and holder of a Post-Graduate Certificate (PGCert), received the Diploma/M.Sc. in Electrical and Computer Engineering from the ECE School of the National Technical University of Athens, Greece, in 2015 and the  M.Sc. in Advanced Computing from the Department of Computing of Imperial College London, U.K., in 2016.

He is currently working towards the Ph.D. degree in the iBUG group, under the supervision of Dr. Stefanos Zafeiriou, having received the prestigious Teaching Fellowship of Imperial College London. 

His research interests span the areas of deep learning and deep neural networks, computer vision, affective computing and medical imaging.

Publications

Journal articles

Deep Affect Prediction in-the-Wild: Aff-Wild Database and Challenge, Deep Architectures, and Beyond

D. Kollias, P. Tzirakis, M. A. Nicolaou, A. Papaioannou, G. Zhao, B. Schuller, I. Kotsia, S. Zafeiriou. International Journal of Computer Vision. feb 2019.

Bibtex reference [hide]
@article{Kollias_2019,
    author = {D. Kollias and P. Tzirakis and M. A. Nicolaou and A. Papaioannou and G. Zhao and B. Schuller and I. Kotsia and S. Zafeiriou},
    journal = {International Journal of Computer Vision},
    month = {feb},
    publisher = {Springer Nature},
    title = {Deep Affect Prediction in-the-Wild: Aff-Wild Database and Challenge, Deep Architectures, and Beyond},
    url = {https://doi.org/10.1007/s11263-019-01158-4},
    year = {2019},
}
Endnote reference [hide]

Conference articles

Expression, Affect, Action Unit Recognition: Aff-Wild2, Multi-Task Learning and ArcFace

D. Kollias, S. Zafeiriou. British Machine Vision Conference, Cardiff. September 2019.

Bibtex reference [hide]
@inproceedings{kolliasexpression,
    author = {D. Kollias and S. Zafeiriou},
    booktitle = {British Machine Vision Conference, Cardiff},
    month = {September},
    title = {Expression, Affect, Action Unit Recognition: Aff-Wild2, Multi-Task Learning and ArcFace},
    year = {2019},
}
Endnote reference [hide]

Training Deep Neural Networks with Different Datasets In-the-wild: The Emotion Recognition Paradigm

D. Kollias, S. Zafeiriou. 2018 International Joint Conference on Neural Networks (IJCNN). IEEE, jul 2018.

Bibtex reference [hide]
@inproceedings{Kollias_2018,
    author = {D. Kollias and S. Zafeiriou},
    booktitle = {2018 International Joint Conference on Neural Networks (IJCNN)},
    month = {jul},
    publisher = {IEEE},
    title = {Training Deep Neural Networks with Different Datasets In-the-wild: The Emotion Recognition Paradigm},
    url = {https://doi.org/10.1109%2Fijcnn.2018.8489340},
    year = {2018},
}
Endnote reference [hide]

Photorealistic Facial Synthesis in the Dimensional Affect Space

D. Kollias, S. Cheng, M. Pantic, S. Zafeiriou. European Conference on Computer Vision. Springer, pp. 475 - 491, 2018.

Bibtex reference [hide]
@inproceedings{kollias2018photorealistic,
    author = {D. Kollias and S. Cheng and M. Pantic and S. Zafeiriou},
    pages = {475--491},
    booktitle = {European Conference on Computer Vision},
    organization = {Springer},
    title = {Photorealistic Facial Synthesis in the Dimensional Affect Space},
    year = {2018},
}
Endnote reference [hide]

Aff-Wild: Valence and Arousal `In-the-Wild' Challenge

S. Zafeiriou, D. Kollias, M. A. Nicolaou, A. Papaioannou, G. Zhao, I. Kotsia. 2017 IEEE Conference on Computer Vision and Pattern Recognition Workshops (CVPRW). IEEE, jul 2017.

Bibtex reference [hide]
@inproceedings{kollias_2017,
    author = {S. Zafeiriou and D. Kollias and M. A. Nicolaou and A. Papaioannou and G. Zhao and I. Kotsia},
    booktitle = {2017 IEEE Conference on Computer Vision and Pattern Recognition Workshops (CVPRW)},
    month = {jul},
    publisher = {IEEE},
    title = {Aff-Wild: Valence and Arousal `In-the-Wild' Challenge},
    url = {https://doi.org/10.1109%2Fcvprw.2017.248},
    year = {2017},
}
Endnote reference [hide]

Recognition of Affect in the Wild Using Deep Neural Networks

D. Kollias, M. A. Nicolaou, I. Kotsia, G. Zhao, S. Zafeiriou. 2017 IEEE Conference on Computer Vision and Pattern Recognition Workshops (CVPRW). IEEE, jul 2017.

Bibtex reference [hide]
@inproceedings{Kollias_2017_ii,
    author = {D. Kollias and M. A. Nicolaou and I. Kotsia and G. Zhao and S. Zafeiriou},
    booktitle = {2017 IEEE Conference on Computer Vision and Pattern Recognition Workshops (CVPRW)},
    month = {jul},
    publisher = {IEEE},
    title = {Recognition of Affect in the Wild Using Deep Neural Networks},
    url = {https://doi.org/10.1109%2Fcvprw.2017.247},
    year = {2017},
}
Endnote reference [hide]