Article

Simonnet, D, Velastin, S.A., Turkbeyler, E and Orwell, J. (2013) Backgroundless detection of pedestrians in cluttered conditions based on monocular images: a review. IET Computer Vision, 6(6), pp. 540-550. ISSN (print) 1751-9632

Buch, N., Velastin, S.A. and Orwell, J. (2011) A review of computer vision techniques for the analysis of urban traffic. IEEE Transactions on Intelligent Transportation Systems, 12(3), pp. 920-939. ISSN (print) 1524-9050

Ren, Jinchang, Xu, Ming, Orwell, James and Jones, Graeme A. (2010) Multi-camera video surveillance for real-time analysis and reconstruction of soccer games. Machine Vision and Applications, 21(6), pp. 855-863. ISSN (print) 0932-8092

Buch, N., Orwell, J. and Velastin, S.A. (2010) Urban road user detection and classification using 3D wire frame models. IET Computer Vision, 4(2), pp. 105-116. ISSN (print) 1751-9632

Leung, V., Orwell, J. and Velastin, S.A. (2010) Performance evaluation of tracking for public transport surveillance. Annals of the BMVA, 6, pp. 1-12.

Khoudour, L, Aubert, D., Velastin, S., Leung, V. and Orwell, J. (2010) Video-based detection of specific events in public transport networks. Studia Informatica Universalis, 8(4), pp. 58-88.

Yin, Fei, Makris, Dimitrios, Velastin, Sergio A and Orwell, James (2010) Quantitative evaluation of different aspects of motion trackers under various challenges. Annals of the BMVA, 2010(5), pp. 1-11.

Ren, Jinchang, Orwell, James, Jones, Graeme A. and Xu, Ming (2009) Tracking the soccer ball using multiple fixed cameras. Computer Vision and Image Understanding, 113(5), pp. 633-642. ISSN (print) 1077-3142

Leung, V, Colombo, A., Orwell, J. and Velastin, S.A. (2008) Modelling periodic scene elements for visual surveillance. IET Computer Vision, 2(2), pp. 88-98. ISSN (print) 1751-9632

Greenhill, D., Renno, J., Orwell, J. and Jones, G.A. (2008) Occlusion analysis: learning and utilising depth maps in object tracking. Image and Vision Computing, 26(3), pp. 430-441. ISSN (online) 0262-8856

Ren, Jinchang, Orwell, James, Jones, Graeme A. and Xu, Ming (2008) Real-time modeling of 3-D soccer ball trajectories from multiple fixed cameras. IEEE Transactions on Circuits and Systems for Video Technology, 18(3), pp. 350-362. ISSN (print) 1051-8215

Douce, Christopher, Livingstone, David and Orwell, James (2005) Automatic test-based assessment of programming: a review. Journal on Educational Resources in Computing (JERIC), 5(3), p. 4. ISSN (online) 1531-4278

Greenhill, D., Renno, J., Orwell, J. and Jones, G. A. (2005) Learning the semantic landscape: embedding scene knowledge in object tracking. Real-Time Imaging, 11(3), pp. 186-203. ISSN (print) 1077-2014

Xu, M., Orwell, J., Lowey, L. and Thirde, D. (2005) Architecture and algorithms for tracking football players with multiple cameras. IEE Proceedings - Vision, Image and Signal Processing, 152(2), pp. 232-241. ISSN (online) 1350-245x

Orwell, J., Remagnino, P.M. and Jones, G.A. (2001) Optimal color quantization for real-time object recognition. Real-Time Imaging, 7(5), pp. 401-414. ISSN (print) 1077-2014

Jones, G.A., Greenhill, D., Orwell, J. and Forte, P. (2000) Coastline registration: efficient optimization in large dimensions using genetic algorithms. Geographical and Environmental Modelling, 4(1), pp. 21-41. ISSN (print) 1361-5939

Book Section

Pfluegel, Eckhard, Clarke, Charles, Randulff, Joakim, Tsaptsinos, Dimitris and Orwell, James (2017) A secure channel using social messaging for distributed low-entropy steganography. In: Khajuria, Samant , Sorensen, Lene and Skouby, Knud Erik, (eds.) Cybersecurity and privacy : bridging the gap. River Publishers. (Series in Communications) ISBN 9788793519664

Lewandowski, M, Simonnet, D, Makris, D., Velastin, S.A. and Orwell, J. (2013) Tracklet Reidentification in Crowded Scenes using Bag of Spatio-Temporal Histograms of Oriented Gradients. In: Carrasco-Ochoa, Jesús Ariel , Martínez-Trinidad, José Francisco , Rodríguez, Joaquín Salas and Sanniti di Baja, Gabriella, (eds.) Pattern Recognition. Springer Berlin Heidelberg. pp. 94-103. (Lecture Notes in Computer Science, (7914)) ISSN (online) 0302-9743 ISBN 9783642389887

Simonnet, D, Velastin, S.A., Orwell, J. and Turkbeyler, E (2011) Selecting and evaluating data for training a pedestrian detector for crowded conditions. In: UNSPECIFIED, (ed.) 2011 IEEE International Conference on Signal and Image Processing Applications. IEEE. pp. 174-179. (IEEE International Conference on Signal and Image Processing Applications (ICSIPA)) ISBN 9781457702433

Buch, Norbert, Yin, Fei, Orwell, James, Makris, Dimitrios and Velastin, Sergio A. (2009) Urban Vehicle Tracking using a combined 3D model detector and classifier. In: Velásquez, Juan D. , Ríos, Sebastián A. , Howlett, Robert J. and Jain, Lakhmi C., (eds.) Knowledge-Based and Intelligent Information and Engineering Systems. Berlin : Springer. pp. 169-176. (Lecture Notes in Computer Science, (5711)) ISSN (print) 0302-9743 ISBN 9783642045943

Colombo, Alberto, Leung, Valerie, Orwell, James and Velastin, Sergio A. (2007) Consistent detection and identification of individuals in a large camera network. In: Carapezza, Edward M., (ed.) Unmanned/Unattended Sensors and Sensor Networks IV. SPIE. (Proceedings of the SPIE, (6736))

Thirde, D., Xu, M. and Orwell, J. (2006) Tracking football players with multiple cameras. In: Velastin, Sergio A. and Remagnino, Paolo, (eds.) Intelligent distributed video surveillance systems. Stevenage, UK : The Institution of Electrical Engineers. pp. 225-252. (IEE Professional Applications of Computing Series, (5)) ISBN 0863415040

Remagnino, P., Orwell, J., Greenhill, D., Jones, G.A. and Marchesotti, L. (2000) An agent society for scene interpretation. In: Foresti, Gian Luca , Mähönen, Petri and Regazzoni, Carlo S., (eds.) Multimedia video-based surveillance systems: requirements, issues and solutions. Boston, US : Kluwer Academic. pp. 108-117. (Kluwer international series in engineering and computer science) ISBN 0792379276

Conference or Workshop Item

Alsop, Graham, Neve, Paul, Orwell, Suzan and Orwell, James (2018) Being agile with artefacts and authentic assessment in computer science. In: Horizons in STEM Higher Education Conference: Making Connections, Innovating and Sharing Pedagogy; 28-29 Jun 2018, Hull, U.K.. (Unpublished)

Adeyemi-Ejeye, A.O., Mehdi, M., Martini, M.G., Philip, N. and Orwell, J. (2017) Design of a hybrid multi-occupant visitor communication and door control system. In: 2017 IEEE 7th International Conference on Consumer Electronics - Berlin (ICCE-Berlin); 03-06 Sep 2017, Berlin, Germany.

Pfluegel, Eckhard, Randulff, Joakim G., Clarke, Charles A., Tsaptsinos, Dimitris and Orwell, James (2016) Building secure ICT through virtual private social networks: A multi-channel mobile instant messaging approach. In: 9th CMI Conference on Smart Living, Cyber Security and Privacy; 24 - 25 Nov 2016, Copenhagen, Denmark.

Pedagadi, S., Orwell, J. and Boghossian, B (2015) Pedestrian Re-identification - Metric Learning using Symmetric Ensembles of Categories. In: 10th International Conference on Computer Graphics Theory and Applications; 11-14 Mar 2015, Berlin, Germany.

Pedagadi, S., Orwell, J. and Boghossian, B. (2014) Integral line scan features for pedestrian detection. In: 22nd International Conference on Pattern Recognition; 24-28 Aug 2014, Stockholm, Sweden. ISSN (print) 1051-4651

Wang, S., Pedagadi, S., Orwell, J. and Hunter, G. J. A. (2013) Vehicle Logo Recognition Using Local Fisher Discriminant Analysis. In: 5th International Conference on Imaging for Crime Detection and Prevention (ICDP-13); 16 - 17 Dec 2013, London, U.K..

Pedagadi, S., Orwell, J., Velastin, S.A. and Boghossian, B. (2013) Local Fisher Discriminant Analysis for Pedestrian Re-identification. In: 2013 IEEE Conference on Computer Vision and Pattern Recognition (CVPR); 23-28 June 2013, Oregon, USA. ISSN (print) 1063-6919

Neve, Paul, Hunter, Gordon, Livingstone, David and Orwell, James (2012) NoobLab: An intelligent learning environment for teaching programming. In: IEEE/WIC/ACM International Conference on Web Intelligence; 4 - 7 Dec 2012, Macau, China.

Lewandowski, Michal and Orwell, James (2012) Co-training on multi-view unlabelled data. In: 27th Conference on Image and Vision Computing; 26-28 Nov 2012, Dunedin, New Zealand. ISBN 9781450314732

Simonnet, Damien, Lewandowski, Michal, Velastin, Sergio A., Orwell, James and Turkbeyler, Esin (2012) Re-Identification of pedestrians in crowds using dynamic time warping. In: 1st International Workshop on Re-Identification, ECCV 2012; 12 Oct 2012, Florence, Italy.

Neve, Paul, Livingstone, David, Hunter, Gordon and Orwell, James (2012) Online learning environments and the pedagogy of computer programming. In: Association for Learning Technology Conference (ALT-C 2012); 11 - 13 Sept 2012, Manchester, UK.

Tsifouti, Anastasia, Nasralla, Moustafa M., Razaak, Manzoor, Cope, James, Orwell, James M., Martini, Maria G and Sage, Kingsley (2012) A methodology to evaluate the effect of video compression on the performance of analytics systems. In: Optics and Photonics for Counterterrorism, Crime Fighting and Defence; 24 - 27 Sept 2012, Edinburgh, U.K.. (Proceedings of SPIE, no. 8546) ISBN 9780819492876

D'Arminio, Paolo, Buendía Iglesias, Ricardo, Cichowski, Janusz, Dalka, Piotr, Ellwart, Damian, Pedagadi, Sateesh, Orwell, James, Kroener, Inga and Neyland, Daniel (2012) Technologies for granting balance between security and privacy in video-surveillance. In: 2012 European Intelligence and Security Informatics Conference; 22 - 24 Aug 2012, Odense, Denmark.

Badri, Suzan, Denholm-Price, James and Orwell, James (2011) Layout for learning: designing an interface for students learning to program. In: 3rd International Conference on Computer Supported Education (CSEDU); 06-09 May 2011, Noordwijkerhout, Netherlands. (Proceedings of the 3rd International Conference on Computer Supported Education, no. 1)

Yin, Fei, Velastin, Sergio, Makris, Dimitrios and Orwell, James (2010) Learning non-coplanar scene models by exploring the height variation of tracked objects. In: Tenth Asian Conference on Computer Vision; 08 - 12 Nov 2010, Queenstown, New Zealand.

Kheir Abadi, Maryam, Alsop, Graham and Orwell, James (2010) Does an automatic test harness (ATH) help learning? In: ALT-C "Into something rich and strange” – making sense of the sea-change; 7 Sept - 9 Sept 2010, Nottingham, U.K.. (Submitted)

Martins, Filipe, Orwell, James and Velastin, Sergio (2010) OpenFARM: an open framework for the analysis of rich media. In: International Conference on Image Processing, Computer Vision, & Pattern Recognition (IPCV'10); 12 - 15 Jul 2010, Las Vegas, U.S..

Buch, Norbert, Cracknell, Mark, Orwell, James and Velastin, Sergio A. (2009) Vehicle localisation and classification in urban CCTV streams. In: 16th World Congress and Exhibition on Intelligent Transport Systems and Services; 21 Sept - 25 Sept 2009, Stockholm, Sweden.

Buch, Norbert, Orwell, James and Velastin, Sergio (2009) 3D extended histogram of oriented gradients (3DHOG) for classification of road users in urban scenes. In: British Machine Vision Conference; 7 Sept - 10 Sept 2009, London, U.K..

Annesley, James, Base, Gero, Orwell, James and Sabirin, Houari (2009) An extension of the AVC file format for video surveillance. In: 3rd ACM/IEEE International Conference on Distributed Smart Cameras; 30 Aug - 2 Sep 2009, Como, Italy. ISBN 9781424446209

Leung, V., Orwell, J and Velastin, S.A. (2008) Performance evaluation of re-acquisition methods for public transport surveillance. In: 10th International Conference on Control, Automation, Robotics and Vision; 17 - 20 Dec 2008, Hanoi, Vietnam. ISBN 9781424422869

Colombo, Alberto, Orwell, James and Velastin, Sergio (2008) Colour constancy techniques for re-recognition of pedestrians from multiple surveillance cameras. In: Workshop on Multi-camera and Multi-modal Sensor Fusion; 18 Oct 2008, Marseille, France.

Greenhill, D, Renno, J, Orwell, J and Jones, GA (2008) Occlusion analysis: Learning and utilising depth maps in object tracking. In: 15th Annual British Machine Vision Conference; 7 Sept - 9 Sept 2004, London, U.K..

Annesley, James and Orwell, James (2008) Video surveillance application format: reference software. In: 83rd MPEG Meeting: Coding of Moving Pictures and Audio; 14-18 Jan 2008, Antalya, Turkey. (Unpublished)

Buch, N., Orwell, J. and Velastin, S.A. (2008) Detection and classification of vehicles for urban traffic scenes. In: 5th International Conference on Visual Information Engineering; 29 July - 1 Aug 2008, Xian China. ISSN (print) 0537-9989 ISBN 9780863419140

Alsop, G., Annesley, J., Cai, Z., Campos, A., Colbert, M., Livingstone, D., Smith, G. and Orwell, J. (2008) Issues Raised Developing AQuRate. In: Research into E-Assessment; 8 July - 9 July 2008, Loughborough, U.K.. (International Computer Assisted Assessment (CAA) Conference, no. 12)

Orwell, J., Colombo, A., Leung, V. and Velastin, S.A. (2007) Performance evaluation of tracking for public transport surveillance. In: BMVA symposium on Security and surveillance: performance evaluation; 12 Dec 2007, London, U.K..

Sabirin, H.S., Annesley, J., Kim, M.K. and Orwell, J. (2007) Visual Surveillance Multimedia Application Format: MPEG-7 Profile. In: 82nd MPEG Meeting; 22 – 26 Oct 2007, Shenzhen, China.

Annesley, James and Orwell, James (2007) Visual surveillance multimedia application format: Reference software. In: 82nd MPEG Meeting; 22 – 26 Oct 2007, Shenzhen, China.

Orwell, J (2007) Automatic removal of photographic paper texture from digitised images. In: 5th International Symposium on Image and Signal Processing and Analysis; 27 Sept - 29 Sept 2007, Istanbul, Turkey. ISSN (print) 1845-5921 ISBN 9789531841160

Annesley, J., Colombo, A., Orwell, J. and Velastin, S. (2007) A profile of MPEG-7 for visual surveillance. In: IEEE Conference on Advanced Video and Signal Based Surveillance; 05 - 07 Sep 2007, London, U.K.. ISBN 9781424416967

Colombo, A., Leung, V., Orwell, J. and Velastin, S.A. (2007) Markov models of periodically varying backgrounds for change detection. In: Visual Information Engineering 2007 : Bridging the gap between theory and applications; 25-27 July 2007, London, UK.

Leung, V, Colombo, A, Orwell, J and Velastin, SA (2007) Modelling periodic scene elements for visual surveillance. In: Visual Information Engineering 2007 : Bridging the gap between theory and applications; 25 - 27 July 2007, London, U.K..

Hebbes, L., Janjua, F.Y., Livingstone, D. and Orwell, J. (2006) A steganographic method for the secure embedding of GIS data streams into aerial photography. In: Joint IST Workshop on Sensor Networks & Symposium on Trends in Communications; 24 - 27 Jun 2006, Bratislava, Slovakia. ISBN 1424403685

Annesley, J., Leung, V., Colombo, A., Orwell, J. and Velastin, S.A. (2006) Fusion of multiple features for identity estimation. In: The Institution of Engineering and Technology Conference on Crime and Security; 13 June - 14 June 2006, London, U.K.. ISBN 0863416470

Carincotte, C, Desurmont, X, Ravera, B, Bremond, F., Orwell, J., Velastin, S.A., Odobez, JM, Corbucci, B, Palo, J and Cernocky, J (2006) Toward Generic Intelligent Knowledge Extraction from Video and Audio: The EU-Funded Caretaker Project. In: The Institution of Engineering and Technology Conference on Crime and Security; 13 June - 14 June 2006, London, U.K.. ISBN 0863416470

Ren, Jinchang, Orwell, James and Jones, Graeme A. (2006) Generating ball trajectory in soccer video sequences. In: CVBASE '06 - Workshop on Computer Vision Based Analysis in Sport Environments; 12 May 2006, Graz, Austria.

Annesley, J., Orwell, J. and Renno, J-P (2005) Evaluation of MPEG7 color descriptors for visual surveillance retrieval. In: 2nd Joint IEEE International Workshop on Visual Surveillance and Performance Evaluation of Tracking and Surveillance; 15 - 16 Oct. 2005, Beijing, China. ISBN 0780394240

Douce, Christopher, Livingstone, David, Orwell, James, Grindle, Steve, Wood, Jo and Curnock, Jane (2005) Automatic assessment of programming assignments. In: ALT-C 2005: exploring the frontiers of e-learning - borders, outposts and migration; 6 Sept -8 Sept 2005, Manchester, U.K..

Li, Y., Dore, A. and Orwell, J. (2005) Evaluating the performance of systems for tracking football players and ball. In: IEEE Conference on Advanced Video and Signal Based Surveillance; 15 - 16 Sep 2005, Como, Italy. ISBN 0780393856

Douce, Christopher, Livingstone, David, Orwell, James, Grindle, Steve and Cobb, Justin (2005) A technical perspective on ASAP - Automated system for assessment of programming. In: 9th Computer Assisted Assessment (CAA) Conference; 5 July - 6 July 2005, Loughborough, U.K..

Xu, M, Lowey, L and Orwell, J. (2005) Architecture and algorithms for tracking football players with multiple cameras. In: IEE Intelligent Distributed Surveilliance Systems; 2 - 3 Mar 2004, London, U.K.. ISSN (print) 0537-9989 ISBN 0863413927

Rymel, J., Renno, J., Greenhill, D., Orwell, J. and Jones, G. A. (2004) Adaptive eigen-backgrounds for object detection. In: 2004 International Conference on Image Processing, ICIP '04; 24 - 27 Oct 2004, Singapore. ISSN (online) 1522-4880

Renno, J.-P.R., Orwell, J. and Jones, G.A. (2004) Evaluation of shadow classification techniques for object detection and tracking. In: 2004 International Conference on Image Processing, ICIP '04; 24 - 27 Oct 2004, Singapore. ISSN (online) 1522-4880

Ren, Jinchang, Orwell, J., Jones, G.A. and Xu, Ming (2004) A general framework for 3D soccer ball estimation and tracking. In: International Conference on Image Processing; 24 - 27 Oct 2004, Singapore. ISSN (print) 1522-4880 ISBN 0780385543

Ren, Jinchang, Orwell, James, Jones, Graeme and Xu, Ming (2004) Real-time 3D soccer ball tracking from multiple cameras. In: 15th British Machine Vision Conference; 7 Sept - 9 Sept 2004, Kingston, U.K.. ISBN 9781901725254

Renno, J., Orwell, J., Thirde, D. and Jones, G.A. (2004) Shadow classification and evaluation for soccer player detection. In: 15th British Machine Vision Conference; 7 Sept - 9 Sept 2004, Kingston, U.K.. ISBN 9781901725254

Ren, Jinchang, Orwell, James and Jones, Graeme A. (2004) Estimating the position of a football from multiple image sequences. In: One-day BMVA Technical Meeting - Spatiotemporal Image Processing; 24th Mar 2004, London, U.K..

Xu, M., Lowey, L. and Orwell, J. (2004) Architecture and algorithms for tracking football players with multiple cameras. In: IEE Intelligent Distributed Surveilliance Systems; 23 Feb 2004, London, U.K.. ISSN (print) 0537-9989 ISBN 0863413927

Xu, Ming, Orwell, J. and Jones, G. (2004) Tracking football players with multiple cameras. In: International Conference on Image Processing; 24 - 27 Oct 2004, Singapore. ISSN (print) 1522-4880 ISBN 0780385543

Orwell, J. and Morrison, G. (2003) Fixed population tracking with multiple cameras. In: 4th European Workshop on Image Analysis for Multimedia Interactive Services; 9 Apr - 11 Apr 2003, London, U.K..

Renno, J., Orwell, J. and JONES, G.A. (2002) Learning surveillance tracking models for the self-calibrated ground plane. In: 13th British Machine Vision Conference; 2 Sept - 5 Sept 2002, Cardiff, U.K..

Renno, J., Orwell, J. and Jones, G.A. (2002) Towards plug-and-play visual surveillance: learning tracking models. In: IEEE International Conference on Image Processing; 22 Sep 2002, Rochester New York, U.S,. ISSN (print) 1522-4880 ISBN 0780376226

Jones, G.A., Greenhill, D., Orwell, J. and Rymel, J. (2000) Efficient PDM shape fitting using the Kalman filter. In: IEEE International Conference on Image Processing; 10 - 13 Sep 2000, Vancouver, Canada. ISBN 0780362977

Orwell, J, Greenhill, D, Rymel, J and Jones, G.A. (2000) Modelling profiles with a mixture of Gaussians. In: IEEE International Conference on Image Processing; 10 Sept - 13 Sept 2000, Vancouver, Canada. ISBN 0780362977

Orwell, James, Remagnino, Paolo and Jones, Graeme (2000) From connected components to object sequences. In: 1st IEEE International Workshop on Performance Evaluation of Tracking and Surveillance (PETS); 31 Mar 2000, Grenoble, France.

Remagnino, Paolo, Orwell, J and Jones, Graeme A. (2000) Multi-agent scene interpretation. In: 6th Congress of the Italian-Association-for-Artificial-Intelligence; 14 – 17 Sep 1999, Bologna, Italy. ISSN (print) 0302-9743 ISBN 9783540673507

Orwell, J. and Plumbley, M.D. (1999) Maximizing information about a noisy signal with a single non-linear neuron. In: 9th International Conference on Artificial Neural Networks; 07 - 10 Sep 1999, Edinburgh, Scotland. ISSN (print) 0537-9989 ISBN 0852967217

Orwell, J., Massey, S., Remagnino, P., Greenhill, D. and Jones, G.A. (1999) A multi-agent framework for visual surveillance. In: International Conference on Image Analysis and Processing; 27 Sept - 29 Sept 1999, Venice, Italy. ISBN 0769500404

Orwell, J., Remagnino, P. and Jones, G.A. (1999) Multi-camera colour tracking. In: 2nd IEEE Workshop on Visual Surveillance; 26 Jun 1999, Fort Collins, CO, U.S.. ISBN 0769500374