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Snape, Patrick, Pszczolkowski, Stefan, Zafeiriou, Stefanos, Tzimiropoulos, Georgios, Ledig, Christian and Rueckert, Daniel (2016) A robust similarity measure for volumetric image registration with outliers. Image and Vision Computing, 52 . pp. 97-113. ISSN 1872-8138

Sagonas, Christos, Antonakos, Epameinondas, Tzimiropoulos, Georgios, Zafeiriou, Stefanos and Pantic, Maja (2016) 300 faces in-the-wild challenge: database and results. Image and Vision Computing . ISSN 0262-8856

Shen, Jie, Zafeiriou, Stefanos, Chrysos, Grigorios G., Kossaifi, Jean, Tzimiropoulos, Georgios and Pantic, Maja (2015) The first Facial Landmark Tracking in-the-Wild Challenge: benchmark and results. In: 2015 IEEE International Conference on Computer Vision, 7-13 Dec 2015, Chile.

Tzimiropoulos, Georgios, Medina, Joan Alabort, Zafeiriou, Stefanos and Pantic, Maja (2014) Active orientation models for face alignment in-the-wild. IEEE Transactions on Information Forensics and Security, 9 (12). pp. 2024-2034. ISSN 1556-6013

Marras, Ioannis, Tzimiropoulos, Georgios, Zafeiriou, Stefanos and Pantic, Maja (2014) Online learning and fusion of orientation appearance models for robust rigid object tracking. Image and Vision Computing, 32 (10). pp. 707-727. ISSN 0262-8856

Asthana, Akshay, Zafeiriou, Stefanos, Tzimiropoulos, Georgios, Cheng, Shiyang and Pantic, Maja (2014) From pixels to response maps: discriminative image filtering for face alignment in the wild. IEEE Transactions on Pattern Analysis and Machine Intelligence, 37 (6). pp. 1312-1320. ISSN 0162-8828

Antonakos, Epameinondas, Alabort-i-Medina, Joan, Tzimiropoulos, Georgios and Zafeiriou, Stefanos (2014) HOG active appearance models. In: 2014 IEEE International Conference on Image Processing (ICIP), 27-30 Oct 2014, Paris, France.

Antonakos, Epameinondas, Alabort-i-Medina, Joan, Tzimiropoulos, Georgios and Zafeiriou, Stefanos (2014) Hog active appearance models. In: IEEE International Conference on Image Processing, 2014 (ICIP 2014), 27-30 October 2014, Paris, France.

Sagonas, Christos, Tzimiropoulos, Georgios, Zafeiriou, Stefanos and Pantic, Maja (2013) 300 Faces in-the-Wild Challenge: the first facial landmark localization challenge. In: 2013 IEEE International Conference on Computer Vision (ICCV), 2-8 Dec 2013, Sydney, Australia.

Sagonas, Christos, Tzimiropoulos, Georgios, Zafeiriou, Stefanos and Pantic, Maja (2013) A semi-automatic methodology for facial landmark annotation. In: 2013 IEEE Conference on Computer Vision and Pattern Recognition (CVPRW), 23-28 June 2013, Portland, Oregon, USA.

Liwicki, Stephan, Tzimiropoulos, Georgios, Zafeiriou, Stefanos and Pantic, Maja (2013) Euler principal component analysis. International Journal of Computer Vision, 101 (3). pp. 498-518. ISSN 1573-1405

Tzimiropoulos, Georgios, Alabort-i-Medina, Joan, Zafeiriou, Stefanos and Pantic, Maja (2013) Generic active appearance models revisited. Lecture Notes in Computer Science, 7726 . pp. 650-663. ISSN 0302-9743

Marras, Ioannis, Medina, Joan Alabort, Tzimiropoulos, Georgios, Zafeiriou, Stefanos and Pantic, Maja (2013) Online learning and fusion of orientation appearance models for robust rigid object tracking. In: 2013 10th IEEE International Conference on Automatic Face & Gesture Recognition and Workshops (FG 2013), 22-26 April 2013, Shanghai, China.

Tzimiropoulos, Georgios, Zafeiriou, Stefanos and Pantic, Maja (2012) Subspace learning from image gradient orientations. IEEE Transactions on Pattern Analysis and Machine Intelligence, 34 (12). pp. 2454-2466. ISSN 1939-3539

Tzimiropoulos, Georgios, Zafeiriou, Stefanos and Pantic, Maja (2012) Subspace learning from image gradient orientations. IEEE Transactions on Pattern Analysis and Machine Intelligence, 34 (12). pp. 2454-2466. ISSN 1939-3539

Liwicki, Stephan, Zafeiriou, Stefanos, Tzimiropoulos, Georgios and Pantic, Maja (2012) Efficient online subspace learning with an indefinite kernel for visual tracking and recognition. Neural Networks and Learning Systems, IEEE Transactions on, 23 (10). pp. 1624-1636. ISSN 2162-237X

Zafeiriou, Stefanos, Tzimiropoulos, Georgios, Petrou, Maria and Stathaki, Tania (2012) Regularized kernel discriminant analysis with a robust kernel for face recognition and verification. IEEE Transactions on Neural Networks and Learning Systems, 23 (3). pp. 526-534. ISSN 2162-237X

Marras, Ioannis, Zafeiriou, Stefanos and Tzimiropoulos, Georgios (2012) Robust learning from normals for 3D face recognition. Lecture Notes in Computer Science, 7584 . pp. 230-239. ISSN 0302-9743

Liwicki, Stephan, Zafeiriou, Stefanos, Tzimiropoulos, Georgios and Pantic, Maja (2011) Fast and robust appearance-based tracking. In: 2011 IEEE International Conference on Automatic Face & Gesture Recognition (FG 2011), 21-25 March 2011, Santa Barbara, California, USA.

Tzimiropoulos, Georgios, Zafeiriou, Stefanos and Pantic, Maja (2011) Principal component analysis of image gradient orientations for face recognition. In: 2011 IEEE International Conference on Automatic Face & Gesture Recognition (FG 2011), 21-25 March 2011, Santa Barbara, California, USA.

Eyben, F., Petridis, S., Schuller, Björn, Tzimiropoulos, Georgios, Zafeiriou, Stefanos and Pantic, Maja (2011) Audiovisual classification of vocal outbursts in human conversation using long-short-term memory networks. In: ICASSP 2011 - 2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 22-27 May 2011, Prague, Czech Republic.

Tzimiropoulos, Georgios, Zafeiriou, Stefanos and Pantic, Maja (2011) Robust and efficient parametric face alignment. In: 2011 IEEE International Conference on Computer Vision (ICCV), 6-13 November 2011, Barcelona, Spain.

Tzimiropoulos, Georgios, Zafeiriou, Stefanos and Pantic, Maja (2011) Sparse representations of image gradient orientations for visual recognition and tracking. In: 2011 IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops (CVPRW), 20-25 June 2011, Colorado Springs, USA.

Zafeiriou, Stefanos, Tzimiropoulos, Georgios and Pantic, Maja (2011) Subspace analysis of arbitrarily many linear filter responses with an application to face tracking. In: 2011 IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops (CBPRW), 20-25 June 2011, Colorado Springs, USA.

Toderici, George, Passalis, Georgios, Zafeiriou, Stefanos, Tzimiropoulos, Georgios, Petrou, Maria, Theoharis, Theoharis and Kakadiaris, Ioannis A. (2010) Bidirectional relighting for 3D-aided 2D face recognition. In: IEEE Computer Society Conference on Computer Vision and Pattern Recognition, 13-18 June 2010, San Francisco, USA.