Dr Irene Kotsia
| Name | Dr Irene Kotsia |
|---|---|
| Job title | Senior Lecturer in Creative Technology |
| Research institute | |
| Primary appointment | Computer Science |
| Contact category | Academic staff (past) |
Research outputs
Deep neural network augmentation: generating faces for affect analysis
Kollias, D., Cheng, S., Ververas, E., Kotsia, I. and Zafeiriou, S. 2020. Deep neural network augmentation: generating faces for affect analysis. International Journal of Computer Vision. 128 (5), pp. 1455-1484. https://doi.org/10.1007/s11263-020-01304-3Dense 3D face decoding over 2500FPS: Joint texture and shape convolutional mesh decoders
Zhou, Y., Deng, J., Kotsia, I. and Zafeiriou, S. 2019. Dense 3D face decoding over 2500FPS: Joint texture and shape convolutional mesh decoders. International Conference on Computer Vision and Pattern Recognition. Long Beach, California, USA 16 - 20 Jun 2019 IEEE. pp. 1097-1106 https://doi.org/10.1109/CVPR.2019.00119GANFIT: Generative adversarial network fitting for high fidelity 3D face reconstruction
Gecer, B., Ploumpis, S., Kotsia, I. and Zafeiriou, S. 2019. GANFIT: Generative adversarial network fitting for high fidelity 3D face reconstruction. 2019 IEEE/CVF International Conference on Computer Vision and Pattern Recognition. Long Beach, California 16 - 20 Jun 2019 IEEE. pp. 1155-1164 https://doi.org/10.1109/CVPR.2019.00125Deep affect prediction in-the-wild: Aff-wild database and challenge, deep architectures, and beyond
Kollias, D., Tzirakis, P., Nicolaou, M., Papaioannou, A., Zhao, G., Schuller, B., Kotsia, I. and Zafeiriou, S. 2019. Deep affect prediction in-the-wild: Aff-wild database and challenge, deep architectures, and beyond. International Journal of Computer Vision. 127 (6-7), pp. 907-929. https://doi.org/10.1007/s11263-019-01158-4The Menpo benchmark for multi-pose 2D and 3D facial landmark localisation and tracking
Deng, J., Roussos, A., Chrysos, G., Ververas, E., Kotsia, I., Shen, J. and Zafeiriou, S. 2019. The Menpo benchmark for multi-pose 2D and 3D facial landmark localisation and tracking. International Journal of Computer Vision. 127, pp. 599-624. https://doi.org/10.1007/s11263-018-1134-y4DFAB: a large scale 4D facial expression database for biometric applications
Cheng, S., Kotsia, I., Pantic, M. and Zafeiriou, S. 2018. 4DFAB: a large scale 4D facial expression database for biometric applications. CVPR 2018: 2018 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR). Salt Lake City, USA 18 - 22 Jun 2018 Institute of Electrical and Electronics Engineers (IEEE). pp. 5117-5126Unconstrained face recognition
Zafeiriou, S., Kotsia, I. and Pantic, M. 2018. Unconstrained face recognition. in: Management Association, I. (ed.) Computer Vision: Concepts, Methodologies, Tools, and Applications Hershey, PA IGI Global. pp. 1640-1661AgeDB: the first manually collected, in-the-wild age database
Moschoglou, S., Papaioannou, A., Sagonas, C., Deng, J., Kotsia, I. and Zafeiriou, S. 2017. AgeDB: the first manually collected, in-the-wild age database. CVPRW 2017: 2017 IEEE Conference on Computer Vision and Pattern Recognition Workshops (CVPRW). Honolulu, HI, USA 21 - 26 Jul 2017 Institute of Electrical and Electronics Engineers (IEEE). pp. 1997-2005 https://doi.org/10.1109/CVPRW.2017.250Recognition of affect in the wild using deep neural networks
Kollias, D., Nicolaou, M., Kotsia, I., Zhao, G. and Zafeiriou, S. 2017. Recognition of affect in the wild using deep neural networks. CVPRW 2017: 2017 IEEE Conference on Computer Vision and Pattern Recognition Workshops (CVPRW). Honolulu, HI, USA Institute of Electrical and Electronics Engineers (IEEE). pp. 1972-1979 https://doi.org/10.1109/CVPRW.2017.247Aff-Wild: Valence and Arousal ‘in-the-wild’ Challenge
Zafeiriou, S., Kollias, D., Nicolaou, M., Papaioannou, A., Zhao, G. and Kotsia, I. 2017. Aff-Wild: Valence and Arousal ‘in-the-wild’ Challenge. CVPRW 2017: 2017 IEEE Conference on Computer Vision and Pattern Recognition Workshops (CVPRW). Honolulu, HI, USA 21 - 26 Jul 2017 Institute of Electrical and Electronics Engineers (IEEE). pp. 1980-1987 https://doi.org/10.1109/CVPRW.2017.248Dynamic probabilistic linear discriminant analysis for video classification
Fabris, A., Nicolaou, M., Kotsia, I. and Zafeiriou, S. 2017. Dynamic probabilistic linear discriminant analysis for video classification. ICASSP 2017: 2017 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). New Orleans, USA 05 - 09 Mar 2017 Institute of Electrical and Electronics Engineers (IEEE). pp. 2781-2785 https://doi.org/10.1109/ICASSP.2017.7952663Facial affect "in the wild": a survey and a new database
Zafeiriou, S., Papaioannou, A., Kotsia, I., Nicolaou, M. and Zhao, G. 2016. Facial affect "in the wild": a survey and a new database. IEEE International Conference on Computer Vision and Pattern Recognition (CVPR) Workshops, Affect "in-the-wild" Workshop. Las Vegas, USA 26 Jun - 01 Jul 2016 Institute of Electrical and Electronics Engineers (IEEE). pp. 1487-1498 https://doi.org/10.1109/cvprw.2016.186Affective gaming: a comprehensive survey
Kotsia, I., Zafeiriou, S. and Fotopoulos, S. 2013. Affective gaming: a comprehensive survey. Conference on Computer Vision and Pattern Recognition Workshops (CVPR) Behavior Analysis in Games and modern Sensing devices (BAGS) workshop.On one-shot kernels: explicit feature maps and properties
Zafeiriou, S. and Kotsia, I. 2013. On one-shot kernels: explicit feature maps and properties. Proceedings of IEEE Int’l Conf. on Computer Vision (ICCV 2013).Unconstrained face recognition
Zafeiriou, S., Kotsia, I. and Pantic, M. 2014. Unconstrained face recognition. in: De Marsico, M., Nappi, M. and Tistarelli, M. (ed.) Facerecognition in adverse conditions IGI.Support tensor action spotting
Kotsia, I. and Patras, I. 2012. Support tensor action spotting. IEEE International Conference on Image Processing (ICIP 2012). Orlando, FL, USA 30 Sep - 03 Oct 2012Exploring the similarities of neighboring spatiotemporal points for action pair matching
Kotsia, I. and Patras, I. 2012. Exploring the similarities of neighboring spatiotemporal points for action pair matching. 11th Asian Conference on Computer Vision (ACCV 2012). Daejeon, Korea 05 - 09 Nov 2012Recognition of facial expressions in presence of partial occlusion
Buciu, I., Kotsia, I. and Pitas, I. 2003. Recognition of facial expressions in presence of partial occlusion. 9th Panhellenic Conference in Informatics (PCI 2003). Thessaloniki 21 - 23 Nov 2003Facial expression analysis under partial occlusion
Buciu, I., Kotsia, I. and Pitas, I. 2005. Facial expression analysis under partial occlusion. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2005). Philadelphia 18 - 23 Mar 2005Real time facial expression recognition from image sequences using support vector machines
Kotsia, I. and Pitas, I. 2005. Real time facial expression recognition from image sequences using support vector machines. Visual Communications and Image Processing (VCIP 2005). Beijing, China 12 - 15 Jul 2005Multimodal caricatural mirror
Martin, O., Adell, J., Huerta, A., Kotsia, I., Savran, A. and Sebbe, R. 2005. Multimodal caricatural mirror. eNTERFACE 2005. Belgium 18 Jul - 12 Aug 2005Real time facial expression recognition from image sequences using support vector machines
Kotsia, I. and Pitas, I. 2005. Real time facial expression recognition from image sequences using support vector machines. IIEEE International Conference on Image Processing (ICIP 2005). Genova, Italy 11 - 14 Sep 2005The eNTERFACE'05 audio-visual emotion database
Martin, O., Kotsia, I., Macq, B. and Pitas, I. 2006. The eNTERFACE'05 audio-visual emotion database. 22nd International Conference on Data Engineering Workshops (ICDEW 2006). Atlanta, USA 03 - 07 Apr 2006Facial expression recognition using shape and texture information
Kotsia, I. and Pitas, I. 2006. Facial expression recognition using shape and texture information. IFIP TC12 and WG12.5: Conference and Symposium on Artificial Intelligence. Santiago, Chile 21 - 24 Aug 2006Fusion of geometrical and texture information for facial expression recognition
Kotsia, I., Nikolaidis, N. and Pitas, I. 2006. Fusion of geometrical and texture information for facial expression recognition. IEEE International Conference on Image Processing (ICIP 2006). Atlanta, USA 08 - 11 Oct 2006Affective gaming: beyond using sensors
Kotsia, I., Patras, I. and Fotopoulos, S. 2012. Affective gaming: beyond using sensors. 5th International Symposium on Communications Control and Signal Processing (ISCCSP 2012). Rome, Italy 02 - 04 May 2012Higher rank support tensor machines
Kotsia, I., Guo, W. and Patras, I. 2012. Higher rank support tensor machines. 8th International Symposium on Visual Computing (ISVC 2012). Crete, Greece 16 - 18 Jul 2012Tensor learning for regression
Guo, W., Kotsia, I. and Patras, I. 2012. Tensor learning for regression. IEEE Transactions on Image Processing. 21 (2), pp. 816-827.Max-margin non-negative matrix factorization
Kumar, B., Kotsia, I. and Patras, I. 2012. Max-margin non-negative matrix factorization. Image and Vision Computing. 30 (4-5), pp. 279-291.Higher rank support tensor machines for visual recognition
Kotsia, I., Guo, W. and Patras, I. 2012. Higher rank support tensor machines for visual recognition. Pattern Recognition. 45 (12), pp. 4192-4203.Facial expression recognition in videos using a novel multi-class support vector machines variant
Kotsia, I., Nikolaidis, N. and Pitas, I. 2007. Facial expression recognition in videos using a novel multi-class support vector machines variant. IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2007). Honolulu, Hawai, USA 15 - 20 Apr 2007Multiclass support vector machines and metric multidimensional scaling for facial expression recognition
Kotsia, I., Zafeiriou, S., Nikolaidis, N. and Pitas, I. 2007. Multiclass support vector machines and metric multidimensional scaling for facial expression recognition. IEEE Workshop on Machine Learning for Signal Processing (MLSP 2007). Thessaloniki, Greece 27 - 29 Aug 2007Texture and shape information fusion for facial action unit recognition
Kotsia, I., Zafeiriou, S., Nikolaidis, N. and Pitas, I. 2008. Texture and shape information fusion for facial action unit recognition. The First International Conference on Advances in Computer-Human Interaction (ACHI 2008). Sainte Luce, Martinique 10 - 15 Feb 2008Discriminant Non-negative Matrix Factorization and projected gradients for frontal face verification
Kotsia, I., Zafeiriou, S. and Pitas, I. 2008. Discriminant Non-negative Matrix Factorization and projected gradients for frontal face verification. The First COST 2101 Workshop on Biometrics and Identity Management (BIOID 2008). Roskilde University, Denmark 07 - 09 May 2008Multi-modal emotion-related data collection within a virtual earthquake emulator
Ververidis, D., Kotsia, I., Kotropoulos, C. and Pitas, I. 2008. Multi-modal emotion-related data collection within a virtual earthquake emulator. 6th Language Resources and Evaluation Conference (LREC 2008). Marrakech, MoroccoFrontal view recognition in multiview video sequences
Kotsia, I., Nikolaidis, N. and Pitas, I. 2009. Frontal view recognition in multiview video sequences. IEEE International Conference on Multimedia and Expo (ICME 2009). Cancun, Mexico 28 Jun - 03 Jul 2009Multiplicative update rules for Multilinear Support Tensor Machines
Kotsia, I. and Patras, I. 2010. Multiplicative update rules for Multilinear Support Tensor Machines. 20th International Conference on Pattern Recognition (ICPR 2010). Istanbul, Turkey 23 - 26 Aug 2010Relative Margin Support Tensor Machines for gait and action recognition
Kotsia, I. and Patras, I. 2010. Relative Margin Support Tensor Machines for gait and action recognition. ACM International Conference on Image and Video Retrieval (CIVR 10). Xidian, China 05 - 07 Jul 2010Higher order support tensor regression for head pose estimation
Guo, W., Kotsia, I. and Patras, I. 2011. Higher order support tensor regression for head pose estimation. 12th International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS 2011). Delft, The Netherlands 13 - 15 Apr 2011Support tucker machines
Kotsia, I. and Patras, I. 2011. Support tucker machines. IEEE Conference on Computer Vision and Pattern Recognition (CVPR 2011). Providence, RI 20 - 25 Jun 2011Action spotting exploiting the frequency domain
Kotsia, I. and Argyriou, V. 2011. Action spotting exploiting the frequency domain. IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops (CVPRW 2011). Colorado Springs, USA 20 - 25 Jun 2011Max-margin semi-NMF
Kumar, B., Kotsia, I. and Patras, I. 2011. Max-margin semi-NMF. The 22nd British Machine Vision Conference (BMVC 2011). University of Dundee 29 Aug - 02 Sep 2011A novel discriminant non-negative matrix factorization algorithm with applications to facial image characterization problems
Kotsia, I., Zafeiriou, S. and Pitas, I. 2007. A novel discriminant non-negative matrix factorization algorithm with applications to facial image characterization problems. IEEE Transactions on Information Forensics and Security. 2 (3), pp. 588-595.Texture and shape information fusion for facial expression and facial action unit recognition
Kotsia, I., Zafeiriou, S. and Pitas, I. 2008. Texture and shape information fusion for facial expression and facial action unit recognition. Pattern Recognition. 41 (3), pp. 833-851. https://doi.org/10.1016/j.patcog.2007.06.026Facial expression recognition in image sequences using geometric deformation features and support vector machines
Kotsia, I. and Pitas, I. 2007. Facial expression recognition in image sequences using geometric deformation features and support vector machines. IEEE Transactions on Image Processing. 16 (1), pp. 172-187.Synthesis of expressive facial animations: a multimodal caricatural mirror
Martin, O., Kotsia, I., Pitas, I., Savran, A., Adell, J., Huerta, A. and Sebbe, R. 2007. Synthesis of expressive facial animations: a multimodal caricatural mirror. Journal on Multimodal User Interfaces. 1 (1), pp. 21-30.An analysis of facial expression recognition under partial facial image occlusion
Kotsia, I., Buciu, I. and Pitas, I. 2008. An analysis of facial expression recognition under partial facial image occlusion. Image and Vision Computing. 26 (7), pp. 1052-1067.Novel multiclass classifiers based on the minimization of the within-class variance
Kotsia, I., Pitas, I. and Zafeiriou, S. 2009. Novel multiclass classifiers based on the minimization of the within-class variance. IEEE Transactions on Neural Networks. 20 (1), pp. 14-34. https://doi.org/10.1109/TNN.2008.2004376154
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