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Dr William Christmas

Senior Research Fellow in Technology Transfer

Email:
Phone: Work: 01483 68 6045
Room no: 06 AB 05

Further information

Biography

Further details can be found on my personal web page.

Publications

Highlights

  • Yan F, Christmas W, Kittler J. (2008) 'Layered data association using graph-theoretic formulation with applications to tennis ball tracking in monocular sequences'. IEEE COMPUTER SOC IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE, Minneapolis, MN: 30 (10), pp. 1814-1830.
    doi: 10.1109/TPAMI.2007.70834

Journal articles

  • Chan CH, Goswami B, Kittler J, Christmas W. (2012) 'Local ordinal contrast pattern histograms for spatiotemporal, lip-based speaker authentication'. IEEE Transactions on Information Forensics and Security, 7 (2), pp. 602-612.
  • Yip M, Mackenzie A, Lewis E, Dance DR, Young KC, Christmas W, Wells K. (2011) 'Image resampling effects in mammographic image simulation.'. Physics in Medicine and Biology, England: 56 (22), pp. N275-N286.
    doi: 10.1088/0031-9155/56/22/N02
  • Arashloo SR, Kittler J, Christmas WJ. (2011) 'Pose-invariant face recognition by matching on multi-resolution MRFs linked by supercoupling transform'. Elsevier Computer Vision and Image Understanding, 115 (7), pp. 1073-1083.
    doi: 10.1016/j.cviu.2010.12.006
  • Yan F, Christmas W, Kittler J. (2008) 'Layered data association using graph-theoretic formulation with applications to tennis ball tracking in monocular sequences'. IEEE COMPUTER SOC IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE, Minneapolis, MN: 30 (10), pp. 1814-1830.
    doi: 10.1109/TPAMI.2007.70834
  • Roh MC, Christmas B, Kittler J, Lee SW. (2008) 'Gesture spotting for low-resolution sports video annotation'. PERGAMON-ELSEVIER SCIENCE LTD PATTERN RECOGNITION, Graz, AUSTRIA: 41 (3), pp. 1124-1137.
    doi: 10.1016/j.patcog.2007.07.013
  • Ogata T, Christmas WJ, Kittler J, Kooi, Tan Joo , Seiji, Ishikawa . (2007) 'Human activity detection by combining motion descriptors with boosting'. Information Processing Society of Japan IPSJ Transactions on Database, 48 (3), pp. 1166-1175.
  • Fitch AJ, Kadyrov A, Christmas WJ, Kittler J. (2005) 'Fast robust correlation'. IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC IEEE T IMAGE PROCESS, 14 (8), pp. 1063-1073.
    doi: 10.1109/TIP.2005.849767
  • Messer K, Christmas WJ, Jaser E, Kittler J, Levienaise-Obadia B, Koubaroulis D. (2005) 'A unified approach to the generation of semantic cues for sports video annotation'. ELSEVIER SCIENCE BV SIGNAL PROCESS, 85 (2), pp. 357-383.
    doi: 10.1016/j.sigpro.2004.10.008
  • Christmas WJ. (2000) 'Filtering requirements for gradient-based optical flow measurement'. IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC IEEE T IMAGE PROCESS, 9 (10), pp. 1817-1820.
  • Kittler J, Petrou M, Christmas WJ. (1998) 'A non-iterative probabilistic method for contextual correspondence matching'. PERGAMON-ELSEVIER SCIENCE LTD PATTERN RECOGN, 31 (10), pp. 1455-1468.
  • Christmas WJ, Kittler J, Petrou M. (1996) 'Labelling 2-D geometric primitives using probabilistic relaxation: Reducing the computational requirements'. IEE-INST ELEC ENG ELECTRON LETT, 32 (4), pp. 312-314.
  • CHRISTMAS WJ, KITTLER J, PETROU M. (1995) 'STRUCTURAL MATCHING IN COMPUTER VISION USING PROBABILISTIC RELAXATION'. IEEE COMPUTER SOC IEEE T PATTERN ANAL, 17 (8), pp. 749-764.

Conference papers

  • Christmas WJ, Mortazavian P, Kittler J. (2012) '3D Morphable Model Fitting For Low-Resolution Facial Images'. International Conference on Biometrics
  • Huang Q, Cox S, Yan F, deCampos TE, Windridge D, Kittler J, Christmas W. (2011) 'Improved Detection of Ball Hit Events in a Tennis Game Using Multimodal Information'. Volterra, Italy : KTH Computer Science and Communication 11th International Conference on Auditory-Visual Speech Processing (AVSP), Volterra, Italy: International Conference on Auditory-Visual Speech Processing
    Full text is available at: http://epubs.surrey.ac.uk/74814/
  • Chan CH, Goswami B, Kittler J, Christmas W. (2011) 'Kernel-based Speaker Verification Using Spatiotemporal Lip Information'. Japan : MVA Organization Proceedings of MVA 2011 - IAPR Conference on Machine Vision Applications, Nara, Japan: IAPR Conference on Machine Vision Applications, pp. 422-425.
  • De Campos T, Barnard M, Mikolajczyk K, Kittler J, Yan F, Christmas W, Windridge D. (2011) 'An evaluation of bags-of-words and spatio-temporal shapes for action recognition'. IEEE Proceedings of 2011 IEEE Workshop on Applications of Computer Vision (WACV), 2011 IEEE Workshop on Applications of Computer Vision (WACV), pp. 344-351.
    doi: 10.1109/WACV.2011.5711524
    Full text is available at: http://epubs.surrey.ac.uk/74813/
  • FarajiDavar N, deCampos TE, Windridge D, Kittler J, Christmas W. (2011) 'Domain Adaptation in the Context of Sport Video Action Recognition'. Domain Adaptation Workshop, in conjunction with NIPS, Sierra Nevada, Spain: NIPS 2011 Domain Adaptation Workshop
  • Goswami B, Chan C, Kittler J, Christmas W. (2011) 'Speaker authentication using video-based lip information'. ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, Prague, Czech Republic: IEEE International Conference on Acoustics, Speech and Signal Processing, pp. 1908-1911.
    doi: 10.1109/ICASSP.2011.5946880
  • Snell V, Kittler J, Christmas W. (2011) 'Segmentation and Shape Classification of Nuclei in DAPI Images'. British Machine Vision Conference Workshop, University of Dundee: The 22nd British Machine Vision Conference
    Full text is available at: http://epubs.surrey.ac.uk/74810/
  • Almajai I, Yan F, de Campos T, Khan A, Christmas W, Windridge D, Kittler J. (2010) 'Anomaly Detection and Knowledge Transfer in Automatic Sports Video Annotation'. Proceedings of DIRAC Workshop on Detection and Identification of Rare Audivisual Cues, Barcelona, Spain: DIRAC Workshop on Detection and Identification of Rare Audivisual Cues, European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases
  • Arashloo SR, Kittler J, Christmas WJ. (2010) 'Facial feature localization using graph matching with higher order statistical shape priors and global optimization'. IEEE 4th International Conference on Biometrics: Theory, Applications and Systems, BTAS 2010,
  • Goswami B, Chan CH, Kittler J, Christmas B. (2010) 'Local Ordinal Contrast Pattern Histograms for Spatiotemporal Lip-based Speaker Authentication'. Biometrics: Theory, Applications, and Systems, 2010. BTAS 2010. IEEE International Conference on,
  • Almajai I, Kittler J, de Campos T, Christmas W, Yan F, Windridge D, Khan A, IEEE . (2010) 'BALL EVENT RECOGNITION USING HMM FOR AUTOMATIC TENNIS ANNOTATION'. 2010 IEEE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING, , pp. 1509-1512.
    doi: 10.1109/ICIP.2010.5652415
    Full text is available at: http://epubs.surrey.ac.uk/123379/
  • Khan A, Windridge D, De Campos T, Kittler J, Christmas W. (2010) 'Lattice-based anomaly rectification for sport video annotation'. Proceedings - International Conference on Pattern Recognition, , pp. 4372-4375.
  • Mortazavian P, Kittler J, Christmas W. (2009) 'A 3-D assisted generative model for facial texture super-resolution'. IEEE Press IEEE 3rd International Conference on Biometrics: Theory, Applications and Systems, BTAS 2009, , pp. 452-458.
  • Goswami B, Christmas W, Kittler J. (2009) 'Robust Statistical Estimation Applied to Automatic Lip Segmentation'. SPRINGER-VERLAG BERLIN PATTERN RECOGNITION AND IMAGE ANALYSIS, PROCEEDINGS, Povoa de Varzim, PORTUGAL: 4th Iberian Conference on Pattern Recognition and Image Analysis 5524, pp. 200-207.
  • Mortazavian P, Kittler J, Christmas W. (2009) '3D-assisted Facial Texture Super-Resolution'. Proceedings of BMVC 2009,
  • Khan A, Christmas W, Kittler J. (2007) 'Lip contour segmentation using kernel methods and level sets'. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 4842 LNCS (PART 2), pp. 86-95.
  • Kolonias I, Kittler J, Christmas WJ, Yan F. (2007) 'Improving the accuracy of automatic tennis video annotation by high level grammar'. IEEE COMPUTER SOC 14TH INTERNATIONAL CONFERENCE ON IMAGE ANALYSIS AND PROCESSING WORKSHOPS, PROCEEDINGS, Modena, ITALY: 14th International Conference on Image Analysis and Processing, pp. 154-159.
  • Guillemaut JY, Kittler J, Sadeghi MT, Christmas WJ. (2006) 'General pose face recognition using frontal face model'. SPRINGER-VERLAG BERLIN PROGRESS IN PATTERN RECOGNITION, IMAGE ANALYSIS AND APPLICATIONS, PROCEEDINGS, Cancun, MEXICO: 11th Iberoamerican Conference in Pattern Recognition 4225, pp. 79-88.
  • Ogata T, Christmas W, Kittler J, Ishikawa S. (2006) 'Improving human activity detection by combining multi-dimensional motion descriptors with boosting'. Proceedings - International Conference on Pattern Recognition, 1, pp. 295-298.
  • Yan F, Kostin A, Christmas W, Kittler J. (2006) 'A novel data association algorithm for object tracking in clutter with application to tennis video analysis'. Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition, 1, pp. 634-641.
  • Goswami B, Christmas WJ, Kittler J. (2006) 'Statistical estimators for use in automatic lip segmentation'. IET Conference Publications, (516 CP), pp. 79-86.
  • Yan F, Christmas W, Kittler J. (2006) 'A maximum a posteriori probability Viterbi data association algorithm for ball tracking in sports video'. IEEE COMPUTER SOC 18th International Conference on Pattern Recognition, Vol 1, Proceedings, Hong Kong, PEOPLES R CHINA: 18th International Conference on Pattern Recognition (ICPR 2006), pp. 279-282.
  • Roh M-C, Christmas B, Kittler J, Lee S-W. (2006) 'Gesture spotting in low-quality video with features based on curvature scale space'. FGR 2006: Proceedings of the 7th International Conference on Automatic Face and Gesture Recognition, 2006, pp. 375-380.
  • Roh M-C, Christmas B, Kittler J, Lee S-W. (2006) 'Robust player gesture spotting and recognition in low-resolution sports video'. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 3954 LNCS, pp. 347-358.
  • Kittler J, Christmas WJ, Kostin A, Yan F, Kolonias I, Windridge D. (2005) 'A memory architecture and contextual reasoning framework for cognitive vision'. SPRINGER-VERLAG BERLIN IMAGE ANALYSIS, PROCEEDINGS, Joensuu, FINLAND: 14th Scandinavian Conference on Image Analysis 3540, pp. 343-358.
  • Fitch AJ, Kadyrov A, Christmas WJ, Kittler J. (2002) 'Fast exhaustive robust matching'. IEEE COMPUTER SOC 16TH INTERNATIONAL CONFERENCE ON PATTERN RECOGNITION, VOL III, PROCEEDINGS, QUEBEC CITY, CANADA: 16th International Conference on Pattern Recognition (ICPR), pp. 903-906.
  • Cheng FX, Christmas WJ, Kittler J. (2002) 'Recognising human running behaviour in sports video sequences'. IEEE COMPUTER SOC 16TH INTERNATIONAL CONFERENCE ON PATTERN RECOGNITION, VOL II, PROCEEDINGS, QUEBEC CITY, CANADA: 16th International Conference on Pattern Recognition (ICPR), pp. 1017-1020.
  • Kittler J, Messer K, Christmas WJ, Levienaise-Obadia B, Koubaroulis D. (2001) 'Generation of semantic cues for sports video annotation'. IEEE 2001 INTERNATIONAL CONFERENCE ON IMAGE PROCESSING, VOL III, PROCEEDINGS, THESSALONIKI, GREECE: International Conference on Image Processing (ICIP 2001), pp. 26-29.
  • Cheng FX, Christmas WJ, Kittler J. (2001) 'Detection and description of human running behaviour in sports video multimedia database'. IEEE COMPUTER SOC 11TH INTERNATIONAL CONFERENCE ON IMAGE ANALYSIS AND PROCESSING, PROCEEDINGS, PALERMO, ITALY: 11th International Conference on Image Analysis and Processing, pp. 366-371.
  • Pandit M, Yusoff Y, Kittler J, Christmas WJ, Chilton EHS. (1999) 'Video assisted segmentation of speech and audio track'. SPIE-INT SOC OPTICAL ENGINEERING MULTIMEDIA STORAGE AND ARCHIVING SYSTEMS IV, BOSTON, MA: Conference on Multimedia Storage and Archiving Systems IV 3846, pp. 68-77.
  • Christmas WJ, Kittler J, Petrou M. (1996) 'Probabilistic feature-labelling schemes: Modelling compatibility coefficient distributions'. ELSEVIER SCIENCE BV IMAGE AND VISION COMPUTING, UNIV BIRMINGHAM, BIRMINGHAM, ENGLAND: 6th British Machine Vision Conference 14 (8), pp. 617-625.
  • Bartl R, Petrou M, Christmas WJ, Palmer PL. (1996) 'On the automatic registration of cadastral maps and Landsat TM images'. SPIE - INT SOC OPTICAL ENGINEERING IMAGE AND SIGNAL PROCESSING FOR REMOTE SENSING III, TAORMINA, ITALY: 3rd Conference on Image and Signal Processing for Remote Sensing 2955, pp. 9-20.
  • Christmas WJ, Kittler J, Petrou M. (1996) 'Exploiting temporal context in vision-based navigation'. SPIE - INT SOC OPTICAL ENGINEERING ENHANCED AND SYNTHETIC VISION 1996, ORLANDO, FL: 1996 Conference on Enhanced and Synthetic Vision 2736, pp. 154-161.
  • Christmas WJ, Kittler J, Petrou M. (1995) 'Modelling compatibility coefficient distributions for probabilistic feature-labelling schemes'. B M V A PRESS PROCEEDINGS OF THE 6TH BRITISH MACHINE VISION CONFERENCE 1995, VOLS 1 AND 2, UNIV BIRMINGHAM, BIRMINGHAM, ENGLAND: 6th British Machine Vision Conference, pp. 603-612.
  • CHRISTMAS WJ, KITTLER J, PETROU M. (1994) 'MATCHING OF ROAD SEGMENTS USING PROBABILISTIC RELAXATION - REDUCING THE COMPUTATIONAL REQUIREMENTS'. SPIE - INT SOC OPTICAL ENGINEERING SENSING, IMAGING, AND VISION FOR CONTROL AND GUIDANCE OF AEROSPACE VEHICLES, ORLANDO, FL: Conference on Sensors and Sensor Systems for Control and Guidance of Aerospace Vehicles 2220, pp. 169-179.
  • CHRISTMAS WJ, KITTLER J, PETROU M. (1994) 'ANALYTICAL APPROACHES TO THE NEURAL NET ARCHITECTURE DESIGN'. ELSEVIER SCIENCE PUBL B V PATTERN RECOGNITION IN PRACTICE IV: MULTIPLE PARADIGMS, COMPARATIVE STUDIES AND HYBRID SYSTEMS, VLIELAND, NETHERLANDS: International Conference on Pattern Recognition in Practice IV 16, pp. 325-335.
  • CHRISTMAS WJ, KITTLER J, PETROU M. (1994) 'MATCHING OF ROAD SEGMENTS USING PROBABILISTIC RELAXATION - A HIERARCHICAL APPROACH'. SPIE - INT SOC OPTICAL ENGINEERING NEURAL AND STOCHASTIC METHODS IN IMAGE AND SIGNAL PROCESSING III, SAN DIEGO, CA: Conference on Neural and Stochastic Methods in Image and Signal Processing III 2304, pp. 166-174.