Dr. Christos Sagonas

Position:

Past Member

Email:

Biography

Christos Sagonas received the diploma and Master of Science (specialized in Digital Media) in Informatics from the Aristotle University o Thessaloniki, Greece (A.U.TH.), in 2009 and 2011, respectively.

Currently, he is a Research Assistant/PhD student at the Department of Computing at Imperial College, under the supervision of Prof Maja Pantic and Dr. Stefanos Zafeiriou. His research interests lie in the field of Computer Vision, Pattern Recognition and Machine Learning.

Research Themes:

Face analysis:
Detection of static geometric facial features, Facial point tracking, Face registration

Projects:

4D-FAB

Publications

Journal articles

Recovering Joint and Individual Components in Facial Data

C. Sagonas, E. Ververas, Y. Panagakis, S. Zafeiriou. IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), Special issue on "The Computational Face". 2018.

[bibtex] [endnote]

@article{sagonas_robust_jive_2018,
    author = {C. Sagonas and E. Ververas and Y. Panagakis and S. Zafeiriou},
    journal = {IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), Special issue on "The Computational Face"},
    title = {Recovering Joint and Individual Components in Facial Data},
    year = {2018},
}

Robust Statistical Frontalization of Human and Animal Faces

C. Sagonas, Y. Panagakis, S. Zafeiriou, M. Pantic. International Journal of Computer Vision (IJCV), Special Issue on "Machine Vision Applications". June 2016.

[pdf] [bibtex] [endnote]

@article{sagonas2016rsf,
    author = {C. Sagonas and Y. Panagakis and S. Zafeiriou and M. Pantic},
    journal = {International Journal of Computer Vision (IJCV), Special Issue on "Machine Vision Applications"},
    month = {June},
    publisher = {Springer},
    title = {Robust Statistical Frontalization of Human and Animal Faces},
    year = {2016},
}

300 Faces In-The-Wild Challenge: Database and Results

C. Sagonas, E. Antonakos, G. Tzimiropoulos, S. Zafeiriou, M. Pantic. Image and Vision Computing (IMAVIS), Special Issue on Facial Landmark Localisation "In-The-Wild". 47: pp. 3 - 18, 2016.

[pdf] [bibtex] [endnote]

@article{sagonas2016300w,
    author = {C. Sagonas and E. Antonakos and G. Tzimiropoulos and S. Zafeiriou and M. Pantic},
    pages = {3--18},
    journal = {Image and Vision Computing (IMAVIS), Special Issue on Facial Landmark Localisation "In-The-Wild"},
    publisher = {Elsevier},
    title = {300 Faces In-The-Wild Challenge: Database and Results},
    volume = {47},
    year = {2016},
}

FISH image analysis using a modified radial basis function network

C. Sagonas, I. Marras, I. Kasampalidis, I. Pitas, K. Lyroudia, G. Karayannopoulou. Biomedical Signal Processing and Control. 8: pp. 30 - 40, January 2013.

[bibtex] [endnote]

@article{fish_2012,
    author = {C. Sagonas and I. Marras and I. Kasampalidis and I. Pitas and K. Lyroudia and G. Karayannopoulou},
    pages = {30--40},
    journal = {Biomedical Signal Processing and Control},
    month = {January },
    publisher = {Elsevier },
    title = {FISH image analysis using a modified radial basis function network},
    volume = {8},
    year = {2013},
}

%0 Journal Article
%T FISH image analysis using a modified radial basis function network
%A Sagonas, C.
%A Marras, I.
%A Kasampalidis, I.
%A Pitas, I.
%A Lyroudia, K.
%A Karayannopoulou, G.
%J Biomedical Signal Processing and Control
%D 2013
%8 January
%V 8
%I Elsevier
%F fish_2012
%P 30-40

Conference articles

Robust Joint and Individual Variance Explained

C. Sagonas, Y. Panagakis, A. Leidinger, S. Zafeiriou. Proceedings of IEEE Int’l Conf. on Computer Vision & Pattern Recognition (CVPR). July 2017.

[bibtex] [endnote]

@inproceedings{rjive_sagonas_cvpr,
    author = {C. Sagonas and Y. Panagakis and A. Leidinger and S. Zafeiriou},
    booktitle = {Proceedings of IEEE Int’l Conf. on Computer Vision & Pattern Recognition (CVPR)},
    month = {July},
    title = { Robust Joint and Individual Variance Explained},
    year = {2017},
}

Back to the future: A fully automatic method for robust age progression

C. Sagonas, Y. Panagakis, S. Arunkumar, N. Ratha, S. Zafeiriou. International Conference on Pattern Recognition (ICPR). Oral. December 2016.

[bibtex] [endnote]

@inproceedings{sagonas_icpr_2016,
    author = {C. Sagonas and Y. Panagakis and S. Arunkumar and N. Ratha and S. Zafeiriou},
    booktitle = {International Conference on Pattern Recognition (ICPR)},
    month = {December},
    note = {Oral},
    title = {Back to the future: A fully automatic method for robust age progression},
    year = {2016},
}

Robust Statistical Face Frontalization

C. Sagonas, Y. Panagakis, S. Zafeiriou, M. Pantic. Proceedings of IEEE Int’l Conf. on Computer Vision (ICCV). Santiago, Chile, December 2015.

[pdf] [bibtex] [endnote]

@inproceedings{rsf_sagonas_iccv_2015,
    author = {C. Sagonas and Y. Panagakis and S. Zafeiriou and M. Pantic},
    address = {Santiago, Chile},
    booktitle = {Proceedings of IEEE Int’l Conf. on Computer Vision (ICCV)},
    month = {December},
    title = {Robust Statistical Face Frontalization},
    year = {2015},
}

RAPS: Robust and Efficient Automatic Construction of Person-Specific Deformable Models

C. Sagonas, Y. Panagakis, S. Zafeiriou, M. Pantic. Proceedings of IEEE Int’l Conf. on Computer Vision & Pattern Recognition (CVPR). June 2014.

[pdf] [bibtex] [endnote]

@inproceedings{raps,
    author = {C. Sagonas and Y. Panagakis and S. Zafeiriou and M. Pantic},
    booktitle = {Proceedings of IEEE Int’l Conf. on Computer Vision & Pattern Recognition (CVPR)},
    month = {June},
    title = {RAPS: Robust and Efficient Automatic Construction of Person-Specific Deformable Models},
    year = {2014},
}

300 Faces in-the-Wild Challenge: The first facial landmark localization Challenge

C. Sagonas, G. Tzimiropoulos, S. Zafeiriou, M. Pantic. Proceedings of IEEE Int’l Conf. on Computer Vision (ICCV-W), 300 Faces in-the-Wild Challenge (300-W). Sydney, Australia, December 2013.

[pdf] [bibtex] [endnote]

@inproceedings{sagonas_iccv_300w_2013,
    author = {C. Sagonas and G. Tzimiropoulos and S. Zafeiriou and M. Pantic},
    address = {Sydney, Australia},
    booktitle = {Proceedings of IEEE Int’l Conf. on Computer Vision (ICCV-W), 300 Faces in-the-Wild Challenge (300-W)},
    month = {December},
    title = {300 Faces in-the-Wild Challenge: The first facial landmark localization Challenge},
    year = {2013},
}

A semi-automatic methodology for facial landmark annotation

C. Sagonas, G. Tzimiropoulos, S. Zafeiriou, M. Pantic. Proceedings of IEEE Int’l Conf. Computer Vision and Pattern Recognition (CVPR-W), 5th Workshop on Analysis and Modeling of Faces and Gestures (AMFG2013). Portland Oregon, USA, June 2013.

[pdf] [bibtex] [endnote]

@inproceedings{sagonasEtAlCVPR_w_2013,
    author = {C. Sagonas and G. Tzimiropoulos and S. Zafeiriou and M. Pantic},
    address = {Portland Oregon, USA},
    booktitle = {Proceedings of IEEE Int’l Conf. Computer Vision and Pattern Recognition (CVPR-W), 5th Workshop on Analysis and Modeling of Faces and Gestures (AMFG2013)},
    month = {June},
    title = {A semi-automatic methodology for facial landmark annotation},
    year = {2013},
}

Semi-supervised concept detection by learning the structure of similarity graphs

S. Papadopoulos, C. Sagonas, I. kompatsiaris, A. vakali. 19th International Conference on Multimedia Modeling (MMM). January 2013.

[bibtex] [endnote]

@inproceedings{semi_sup_mmm_2012,
    author = {S. Papadopoulos and C. Sagonas and I. kompatsiaris and A. vakali},
    booktitle = {19th International Conference on Multimedia Modeling (MMM)},
    month = {January },
    title = {Semi-supervised concept detection by learning the structure of similarity graphs},
    year = {2013},
}

PROSOPON: A virtual anatomical 3D head model

C. Sagonas, I. Pitas, A. Kirgidis, K. Lyroudia. Image Information Processing (ICIIP), 2011 International Conference on. pp. 1 - 6, November 2011.

[bibtex] [endnote]

@inproceedings{sagonas_iciip2011,
    author = {C. Sagonas and I. Pitas and A. Kirgidis and K. Lyroudia},
    pages = {1--6},
    booktitle = {Image Information Processing (ICIIP), 2011 International Conference on},
    month = {November},
    title = {PROSOPON: A virtual anatomical 3D head model},
    year = {2011},
}

%0 Conference Proceedings
%T PROSOPON: A virtual anatomical 3D head model
%A Sagonas, C.
%A Pitas, I.
%A Kirgidis, A.
%A Lyroudia, K.
%B Image Information Processing (ICIIP), 2011 International Conference on
%D 2011
%8 November
%F sagonas_iciip2011
%P 1-6