Dr Steve Maddock

PhD

School of Computer Science

Senior Lecturer

Acting Head of the Computer Vision research group

Steve Maddock profile photo
Profile picture of Steve Maddock profile photo
s.maddock@sheffield.ac.uk
Regent Court (DCS)

Full contact details

Dr Steve Maddock
School of Computer Science
Regent Court (DCS)
211 Portobello
Sheffield
S1 4DP
Profile

Dr Steve Maddock is a Senior Lecturer in Computer Graphics and is Head of the  research group. He has a Class I Degree in Computer Science, a PGCE (Maths, 11-18) and a PhD in computer graphics modelling and animation, all from the University of Sheffield.

He has over 30 years experience in developing computer graphics software and spent six months on secondment at Gremlin/Infogrames which gave him valuable insights into the computer games industry

Research interests

Dr Maddocks research interests are in facial modelling and animation, augmented and virtual reality, and, more generally, in 3D computer graphics.

Publications

Journal articles

  • Alzahrani F, Maddock S & Christensen H (2025) . Applied Sciences, 15(11).
  • He Y, Cooney CR, Maddock S & Thomas GH (2025) . Journal of Evolutionary Biology.
  • Ioannou E & Maddock S (2024) . Computer Graphics Forum, 43(6).
  • Ioannou E & Maddock S (2024) . IEEE Transactions on Games.
  • Cogurcu YE, Douthwaite JA & Maddock S (2023) . Computers, 12(4).
  • Ioannou E & Maddock S (2023) . Computers, 12(4).
  • He Y, Cooney CR, Maddock S & Thomas GH (2023) . PLOS Computational Biology, 19(2).
  • Millward B, Maddock S & Mangan M (2022) . eLife, 11.
  • He Y, Varley Z, Moody C, Nouri L, Jardine M, Maddock S, Thomas G & Cooney C (2022) . Nature Communications, 13.
  • Zhang T, Aftab W, Mihaylova L, Langran-Wheeler C, Rigby S, Fletcher D, Maddock S & Bosworth G (2022) . Sensors, 22(12).
  • Montana Gonzalez LR & Maddock S (2021) . Journal of Virtual Reality and Broadcasting, 16(3).
  • Shui W, Zhou M, Maddock S, Ji Y, Deng Q, Li K, Fan Y, Li Y & Wu X (2020) . Multimedia Tools and Applications, 79, 25589-25611.
  • Charlton J, Gonzalez LRM, Maddock S & Richmond P (2020) . Transactions on Computational Science XXXVII, 2020, 129-143(12230), 129-143.
  • Chisholm R, Maddock S & Richmond P (2020) . Journal of Parallel and Distributed Computing, 137, 53-64.
  • Heywood P, Maddock S, Bradley R, Swain D, Wright I, Mawson M, Fletcher G, Guichard R, Himlin R & Richmond P (2019) . Transportation Research Part C: Emerging Technologies, 104, 332-347.
  • Charlton JA, Maddock S & Richmond P (2019) . Journal of Parallel and Distributed Computing, 126, 152-160.
  • Leach M & Maddock S (2019) . Computers, 81(1).
  • Towers A, Field J, Stokes C, Maddock S & Martin N (2019) . British Dental Journal, 226(5), 358-366.
  • Alghamdi N, Maddock S, Marxer R, Barker J & Brown GJ (2018) . Journal of the Acoustical Society of America, 143(6), 523-529.
  • Marxer R, Barker JP, Alghamdi N & Maddock S (2018) . Speech Communication, 100, 58-68.
  • Heywood P, Maddock S, Casas J, Garcia D, Brackstone M & Richmond P (2018) . Simulation Modelling Practice and Theory, 83, 188-200.
  • Alghamdi N, Maddock S, Barker J & Brown GJ (2017) . Speech Communication, 95, 127-136.
  • Shui W, Zhou M, Maddock SC, He T, Wang X & Deng Q (2017) . Computers in Biology and Medicine, 90, 33-49.
  • Warburton M, Omar Ali , Liong WC, Othusitse AM, Abdullah Zubir AZ, Maddock S & Wong TS (2015) . AIMS Bioengineering, 2(3), 126-143.
  • Warburton M & Maddock SC (2015) Physically-Based Forehead Animation including Wrinkles. Computer Animation and Virtual Worlds, 26(1), 55-68.
  • Warburton M & Maddock S (2015) . Computer Animation and Virtual Worlds, 26(1), 55-68.
  • Gamito MN & Maddock SC (2009) . ACM T GRAPHIC, 29(1).
  • Gamito MN & Maddock SC (2008) Topological Correction of Hypertextured Implicit Surfaces for Ray Casting. The Visual Computer, 24(6), 397-409.
  • Gamito MN & Maddock SC (2008) . VISUAL COMPUTER, 24(6), 397-409.
  • BinSubaih A & Maddock SC (2008) . International Journal of Computer Games Technology, 2008.
  • Martinez Lazalde O, Maddock SC & Meredith M (2008) . International Journal of Computer Games Technology, 2008.
  • Gunnarsson O & Maddock S (2007) A statistically-assisted sketch-based interface for creating arbitrary 3D faces. Theory and Practice of Computer Graphics 2007 Tpcg 2007 Eurographics Uk Chapter Proceedings Celebrating 25 Years of the Eurographics Uk Chapter, 123-130.
  • Meredith M & Maddock S (2007) . Computer Animation and Virtual Worlds, 18(4-5), 349-359.
  • Gamito MN & Maddock SC (2007) . COMPUT GRAPH-UK, 31(5), 698-709.
  • Gamito MN & Maddock SC (2007) . VISUAL COMPUT, 23(3), 155-165.
  • Meredith M & Maddock S (2006) . Iet Conference Publications(516 CP), 163-172.
  • BinSubaih A, Maddock SC & Romano D (2006) . International Journal of Interactive Technology & Smart Education, 3(4), 329-346.
  • Gamito MN & Maddock SC (2006) Anti-aliasing with stratified B-spline filters of arbitrary degree. COMPUT GRAPH FORUM, 25(2), 163-172.
  • BinSubaih A, Maddock S & Romano D (2005) . ACM International Conference Proceeding Series, 265, 458-461.
  • Meredith M & Maddock SC (2005) Adapting motion capture data using weighted real-time inverse kinematics.. Comput. Entertain., 3, 5-5.
  • Watt A & Maddock SC (2005) Technologies for characters in computer games. Scientia, Estudos Interdisciplinares em Computa癟瓊o, 16(1), 5-12.
  • Edge JD & Maddock S (2004) . ACM SIGGRAPH 2004 Sketches SIGGRAPH 04.
  • Enrique S, Watt A, Maddock SC & Policarpo F (2003) Using Synthetic Vision for Autonomous Non-Player Characters.. Inteligencia Artif., 7, 19-25.
  • Enrique S, Watt A, Maddock SC & Policarpo F (2003) Using Synthetic Vision for Autonomous Non-Player Characters in Computer Games. Inteligencia Artificial, Revista Iberoamericana de Inteligencia Artificial, 21, 19-25.
  • Maddock S (2000) . Virtual Reality, 5(4), 183-184.
  • Watt A & Maddock SC (2000) . Virtual Reality, 5(4), 185-194.
  • MADDOCK SC (1995) PERSONAL CAL WORKBOOKS - THE NEXT CHAPTERS. COMPUT GRAPH, 19(4), 631-635.
  • MADDOCK SC (1994) A PERSONAL CAL WORKBOOK. COMPUT GRAPH, 18(3), 299-304.

Book chapters

  • BinSubaih A, Maddock SC & Romano DM (2009) In Ferdig RE (Ed.), Handbook of research on effective electronic gaming in education (pp. 451-477). Information Science Publishing
  • House D, Rockwood A, Ebert D, Watt A, Maddock S, Wolberg G, Magnenat Thalmann N, Thalmann D, Kaufman A, Mueller K , Bryson S et al (2004) , Computer Science Handbook, Second Edition CD-ROM CRC Press
  • Watt A & Maddock S (2004) Mainstream rendering techniques, Computer Science Handbook Second Edition (pp. 38-38-32).
  • Watt A & Maddock S () Wiley

Conference proceedings

  • Dennison R & Maddock S (2024) . 19th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2024), Vol. 1 (pp 244-251). Rome, Italy, 27 February 2024 - 27 February 2024.
  • Ioannou E & Maddock S (2023) Neural Style Transfer for Computer Games. BMVC Workshop oin Computer Vision for Games and Games for Computer Vision
  • Cogurcu YE & Maddock S (2023) . Companion of the 2023 ACM/IEEE International Conference on Human-Robot Interaction
  • Alzahrani F, Mirheidari B, Blackburn D, Maddock S & Christensen H (2023) . 2023 IEEE 17th International Conference on Automatic Face and Gesture Recognition (FG) (pp 1-8), 5 January 2023 - 8 January 2023.
  • Cogurcu YE, Douthwaite JA & Maddock S (2022) Augmented reality for safety zones in human-robot collaboration. Computer Graphics & Visual Computing (CGVC) 2022. Virtual conference, 15 September 2022 - 15 September 2022.
  • Ioannou E & Maddock S (2022) Depth-aware neural style transfer using instance normalization. Computer Graphics & Visual Computing (CGVC) 2022. Virtual conference, 15 September 2022 - 15 September 2022.
  • Alzahrani F, Mirheidari B, Blackburn D, Maddock S & Christensen H (2021) . 2021 9th International Conference on Affective Computing and Intelligent Interaction (ACII). Nara, Japan (virtual conference), 28 September 2021 - 1 October 2021.
  • Cogurcu YE & Maddock S (2021) An augmented reality system for safe human-robot collaboration. 4th UK-RAS Conference for PhD Students & Early-Career Researchers on "Robotics at Home". Virtual conference, 2 June 2021 - 2 June 2021.
  • Ioannou E & Maddock S (2020) . Computer Graphics and Visual Computing (CGVC). London, UK, 10 September 2020 - 10 September 2020.
  • Millward B, Maddock S & Mangan M (2020) . UKRAS20 Conference: Robots into the real world Proceedings (pp 140-141). Online conference, April 2020 - April 2020.
  • Charlton J, Gonzalez LRM, Maddock S & Richmond P (2019) . Advances in Computer Graphics(11542) (pp 266-277). Calgary, AB, Canada, 17 June 2019 - 17 June 2019.
  • Algadhy R, Gotoh Y & Maddock S (2019) . ICASSP 2019 - 2019 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) (pp 2367-2371). Brighton, UK, 12 May 2019 - 12 May 2019.
  • Gonzalez L & Maddock S (2019) . Proceedings of the 14th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (pp 41-52), 25 February 2019 - 27 February 2019.
  • Leach M, Maddock SC, Hadley D, Butterworth C, Moreland J, Dean G, Mackinder R, Pach K, Bax N, Mckone M & Fleetwood D (2018) . Virtual Reality and Augmented Reality, Vol. 11162 (pp 213-229). London, UK, 22 October 2018 - 22 October 2018.
  • Leach M & Maddock SC (2018) . Computer Graphics and Visual Computing (CGVC) (pp 51-59). Swansea University, UK, 13 September 2018 - 13 September 2018.
  • Montana LR & Maddock SC (2017) . Computer Graphics & Visual Computing (2017). Manchester Metropolitan University, United Kingdom, 14 September 2017 - 14 September 2017.
  • Chisholm R, Richmond P & Maddock S (2017) . Euro-Par 2016: Parallel Processing Workshops , Vol. 10104 (pp 311-321). Grenoble, France, 22 August 2016 - 22 August 2016.
  • Shui W, Liu J, Maddock S, Ren P & Zhou M (2016) . VRCAI '16 Proceedings of the 15th ACM SIGGRAPH Conference on Virtual-Reality Continuum and Its Applications in Industry, Vol. 1 (pp 363-372). Zhuhai, China
  • Shui W, Maddock SC, Heywood P, Craig-Atkins E, Crangle J, Hadley D & Scott R (2016) . Proceedings of EG UK Theory and Practice of Computer Graphics. Bournemouth University, United Kingdom
  • McIlveen J, Maddock S, Heywood P & Richmond P (2016) . Proceedings of EG UK Theory and Practice of Computer Graphics, 1 August 2016 - 1 August 2016.
  • Algadhy R, Gotoh Y & Maddock S (2016) Analysis of visemes in the GRID corpus. Abstract of UKspeech
  • Heywood P, Richmond P & Maddock S (2015) . Euro-Par 2015: Parallel Processing Workshops, Vol. 9523 (pp 430-441). Vienna, Austria, 24 August 2015 - 24 August 2015.
  • Allen T, Parvanov A, Knight S & Maddock SC (2015) (pp 87-91)
  • Alghamdi N, Maddock SC, Brown GJ & Barker J (2015) Investigating the Impact of Artificial Enhancement of Lip Visibility on the Intelligibility of Spectrally-Distorted Speech. FAAVSP-2015 (pp 93-98), 11 September 2015 - 13 September 2015.
  • Warburton M & Maddock SC (2013) GPU Simulation of Finite Element Facial Soft-Tissue Models. TP.CG.2013 (pp 1-8). Bath, UK, 5 September 2013 - 6 September 2013.
  • Warburton M & Maddock S (2012) Creating animatable non-conforming hexahedral finite element facial soft-tissue models for GPU simulation. 20th International Conference in Central Europe on Computer Graphics Visualization and Computer Vision Wscg 2012 Conference Proceedings(PART 2) (pp 317-326)
  • Richmond P, Smyrnova J, Maddock SC & Kang J (2010) Audio-Visual Animation of Urban Space. The Eighth Theory and Practice of Computer Graphics 2010 Conference (TP.CG.2010) (pp 183-190). Sheffield, 6 September 2010 - 8 September 2010.
  • Salas M & Maddock SC (2010) Craniofacial reconstruction based on skull-face models extracted from MRI datasets. The Eighth Theory and Practice of Computer Graphics 2010 Conference (TP.CG.2010) (pp 143-150). Sheffield, 6 September 2010 - 8 September 2010.
  • Dey P, Maddock SC & Nicolson R (2010) Evaluation of A Viseme-Driven Talking Head. The Eighth Theory and Practice of Computer Graphics 2010 Conference (TP.CG.2010) (pp 139-142). Sheffield, 6 September 2010 - 8 September 2010.
  • Lazalde O & Maddock SC (2010) Comparison of different types of visemes using a constraint-based coarticulation model. The Eighth Theory and Practice of Computer Graphics 2010 Conference (TP.CG.2010) (pp 199-206). Sheffield, 6 September 2010 - 8 September 2010.
  • Kang J, Smyronova Y, Richmond P & Maddock SC (2010) Integration of Acoustic Simulation with Interactive Visual Animation of Urban Environment. EAA EUROREGIO 2010 Summer School. Ljubljana, Slovenia, 15 September 2010 - 18 September 2010.
  • Dey P, Maddock S & Nicolson R (2010) A talking head for speech tutoring. The ACM / SSPNET 2nd International Symposium on Facial Analysis and Animation (pp 14-14), 21 October 2010 - 21 October 2010.
  • Salas M & Maddock SC (2009) Extracting skull-face models from MRI data for use in craniofacial reconstructions. Workshop on Face Behaviour and Interaction (FBI 2009). Manchester Metropolitan University, Manchester, UK, 25 August 2009.
  • Salas M & Maddock SC (2008) Segmenting the External Surface of a Human Skull in MR Data. The Sixth Theory and Practice of Computer Graphics 2008 Conference (TP.CG.08). University of Manchester, UK, 9 June 2008 - 11 June 2008.
  • Gunnarsson O & Maddock SC (2008) Sketching Faces. Fifth Eurographics Workshop on Sketch-Based Interfaces and Modeling 2008 (SBIM 2008). Annecy, France, 11 June 2008 - 13 June 2008.
  • Gamito MN & Maddock SC (2007) A progressive refinement approach for the visualisation of implicit surfaces. ADVANCES IN COMPUTER GRAPHICS AND COMPUTER VISION, Vol. 4 (pp 93-108)
  • Gamito MN & Maddock SC (2007) Topological correction of hypertextured implicit surfaces for ray casting. IEEE International Conference on Shape Modeling and Applications 2007, Proceedings (pp 103-+)
  • Gamito MN & Maddock SC (2006) A progressive refinement approach for the visualisation of implicit surfaces. GRAPP 2006: PROCEEDINGS OF THE FIRST INTERNATIONAL CONFERENCE ON COMPUTER GRAPHICS THEORY AND APPLICATIONS (pp 26-33)
  • Meredith M & Maddock S (2004) Individualised character motion using weighted real-time inverse kinematics. GAME-ON 2004: 5th International Conference on Intelligent Games and Simulation (pp 57-64)
  • BinSubaih A, Maddock S & Romano D (2004) A collaborative virtual training architecture for investigating the aftermath of vehicle accidents. MESM '2004: 6th Middle East Simulation Multiconference (pp 170-178)
  • BinSubaih A, Maddock S & Romano D (2004) An architecture for domain-independent collaborative virtual environments. GAME-ON 2004: 5th International Conference on Intelligent Games and Simulation (pp 84-88)
  • Lorenzo MAS, Edge JD, King SA & Maddock SC (2003) Use and Re-use of Facial Motion Capture Data.. VVG (pp 135-142)
  • Edge JD & Maddock S (2003) Image-based talking heads using radial basis functions. THEORY AND PRACTICE OF COMPUTER GRAPHICS, PROCEEDINGS (pp 74-80)
  • Lorenzo MAS & Maddock SC (2003) Planar bones for MPEG-4 facial animation. THEORY AND PRACTICE OF COMPUTER GRAPHICS, PROCEEDINGS (pp 81-88)
  • Lorenzo MS, Edge JD, King SA & Maddock S (2003) Use and Re-use of Facial Motion Capture Data. Institute of Mathematics and Its Applications Vision Video and Graphics 2003 Vvg 2003 (pp 1-8)
  • Cooper L & Maddock S (1997) Preventing collapse within mass-spring-damper models of deformable objects. WSCG '97: THE FIFTH INTERNATIONAL CONFERENCE IN CENTRAL EUROPE ON COMPUTER GRAPHICS AND VISUALIZATION '97, CONFERENCE PROCEEDINGS, VOL 1-4 (pp 70-78)
  • Dennison R & Maddock S () Extending implicit density projection for multiphase fluids. Proceedings of Computer Graphics International Conference (CGI 2025). Kowloon, Hong Kong, 14 July 2025 - 14 July 2025.
  • Ioannou E & Maddock S () Neural style transfer for computer games. The 34th British Machine Vision Conference workshop on Computer Vision for Games and Games for Computer Vision (CVG). Aberdeen, UK, 20 November 2023 - 20 November 2023.
  • Montana Gonzalez LR & Maddock SC () . Proceedings of the 14th International Conference on Computer Graphics Theory and Applications, Vol. 1 (pp 41-52). Prague, Czech Republic, 25 February 2019 - 25 February 2019.
  • Warburton S & Maddock SC () Creating Finite Element Models of Facial Soft Tissue. WSCG 2013. Plsen, Czech Republic, 24 June 2013 - 27 June 2013.
  • Gunnarsson & Maddock SC () Sketch-Based Posing of 3D Faces for Facial Animation. Proceedings of The Eighth Theory and Practice of Computer Graphics 2010 Conference (pp 223-230). Sheffield, 6 September 2010 - 8 September 2010.
  • Gunnarsson O & Maddock SC () Sketching Faces. Proc. Fifth Eurographics Workshop on Sketch-Based Interfaces and Modeling 2008. Annecy, France, 11 June 2008 - 13 June 2008.
  • Gamito MN & Maddock SC () Localised Topology Correction for Hypertextured Terrains. The Sixth Theory and Practice of Computer Graphics 2008 Conference (TP.CG.08). University of Manchester, UK, 9 June 2008 - 11 June 2008.

Exhibitions

  • Maddock SC, Brown GJ & Bax N (2014, September 18) Computer Love 2.0. Festival of the Mind 2014, Sheffield.

Posters

  • Alghamdi N, Maddock S, Brown GJ & Barker J (2015) A comparison of audiovisual and auditory-only training on the perception of spectrally-distorted speech. 18th International Congress of Phonetic Sciences.
  • Warburton M & Maddock SC (2013) Physics-Based Soft-Tissue Modelling and Simulation. IUPS 2013.

Datasets

  • Craig-Atkins E, Maddock S, Hadley D & Scott R .

Preprints

  • Ioannou E & Maddock S (2025) , arXiv.
  • Algadhy R, Gotoh Y & Maddock S (2024) , arXiv.
  • Ioannou E & Maddock S (2024) , arXiv.
  • Ioannou E & Maddock S (2024) , Institute of Electrical and Electronics Engineers (IEEE).
  • Ioannou E & Maddock S (2023) Neural Style Transfer for Computer Games.
  • Dennison R & Maddock S (2023) , arXiv.
  • Ioannou E & Maddock S (2022) , arXiv.
  • Millward B, Maddock S & Mangan M (2021) , Cold Spring Harbor Laboratory.
  • Charlton J, Gonzalez LRM, Maddock S & Richmond P (2020) , arXiv.
  • Charlton J, Gonzalez LRM, Maddock S & Richmond P (2019) , arXiv.
  • Charlton J, Maddock S & Richmond P (2019) , arXiv.
Grants
  • Upper Limb Neurorehabilitation VR system for paediatric patients, Charity, 03/2025 - 08/2026, 瞿2,507, as Co-PI
  • Games Software Engineering, Royal Academy of Engineering, 09/2021 - 06/2024, 瞿27,936, as PIIn2Stempo, Network Rail, 10/2019 - 05/2021, 瞿221,245, as Co-PI
  • Heritage-led urban regeneration: a scalable model for community engagement using immersive technologies, AHRC, 01/2019 - 06/2019, 瞿2,985, as PI
  • Digital Engagement for Heritage-led Urban Regeneration, AHRC, 瞿66,568, as Co-PI
  • SATGPU Phases II, III, IV, V, VI, ATKINS LIMITED, 05/2017 to 08/2018, 瞿50,000, as Co-PI
  • Optimisation, Transport Systems Catapult Ltd., 10/2015 - 03/2017, 瞿39,000, as Co-PI
  • Facial expression and autism, Sheffield Childrens Hospital NHS Trust, 04/2005 - 02/2007, 瞿24,113, as Co-PI
  • Studentship, Infogrames Development Studios, 02/2000 - 01/2003, 瞿3,100, as PI
  • Studentship, KAZOO 3D LTD, 01/2000 - 01/2003, 瞿5,950, as PI
Professional activities and memberships

Member of INSIGNEO, Sheffield Robotics and the Cultural Industries Research Network

Links

Visual Computing research group