Journal Articles

• Stephenson, I., 2009. Simulating diffraction limiting in a pinhole camera. Imaging Science Journal, 57, 162-166.
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• Stephenson, I., 2007. Improving Motion Blur: Shutter Efficiency and Temporal Sampling. Journal of Graphic Tools, 12, 9-15.
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• Stephenson, I., 2007. Simulating Film Grain using the Noise Power Spectrum. Eurographics UK.
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Books

• Stephenson, I., 2006. Essential RenderMan. London: Springer-Verlag.
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• Stephenson, I., LaMont, R., Elendt, M., Bentham, M., Iversion, S., Pantalioni, J. and Gregory, P., 2005. Production Rendering, Design and Implementation. London: Springer.
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• Stephenson, I., 2002. Essential RenderMan Fast. London; New York: Springer-Verlag.
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Chapters

• Stephenson, I. and Pride, R., 2010. Computer Modelling of Theatrical Set. TPCG 2010: Theory and Practice of Computer Graphics. Sheffield, England: Eurographics Association, 75-81.
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• Stephenson, I. and Scanlan, L., 2010. Screen-Space Re-Rendering for the Simulation of Concert Lighting. TPCG 2010: Theory and Practice of Computer Graphics. Sheffield, England: Eurographics Association, 1-7.
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• Goddard, L. and Stephenson, I., 2009. Hardware Accelerated Shaders Using FPGA. In: Tang, W. and Collomosse, J., eds. EG UK Theory and Practice of Computer Graphics 2009. Cardiff, UK: Eurographics Association.
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• Stephenson, I., 2009. Digital Relighting for Stage Use. In: Tang, W. and Collomosse, J., eds. EG UK Theory and Practice of Computer Graphics 2009. Cardiff, UK: Eurographics Association.
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• Stephenson, I., 2003. Rendering and shading. In: Vince, J., ed. Handbook of computer animation. London: Springer-Verlag, 213-239.
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• Stephenson, I., 2001. Buffy, an SL Development Environment. In: Earnshaw, R. and Vince, J., eds. Digital Content Creation. New York: Springer-Verlag, 108-116.
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Conferences

• Stephenson, D., 2015. Sniff - A follow on Language for Scratchers. In: Scratch 2015 AMS 12-15 August 2015 Amsterdam.
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• Pride, R., Hargreaves, W. and Stephenson, I., 2010. Changing the Drawing Process in the Light Of New Technology. In: TaPRA 2010: Theatre and Performance Research Association Conference 9-11 September 2010 University of Glamorgan, Cardiff, Wales.
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• Goddard, L. and Stephenson, I., 2008. Hardware Accelerated Shaders Using FPGA. In: Siggraph 2008: International Conference on Computer Graphics and Interactive Techniques 11-15 August 2008 Los Angeles, USA. , 53 New York: ACM.
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• Stephenson, I., 2008. Digital Relighting for Stage Use. In: Siggraph 2008 August 2008 Los Angeles, USA.
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• Stephenson, I., 2008. A Per Grain Simulation of Film. In: International Conference on Computer Graphics and Interactive Techniques ACM SIGGRAPH 2008 11-15 August 2008 Los Angeles, USA.
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• Stephenson, I., 2008. RenSH: Rendering in Shell Script. In: SIGGRAPH 2008 (Pixar User Group) August 2008 Los Angeles, USA.
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• Stephenson, I., 2005. Shutter efficiency and temporal sampling. In: International Conference on Computer Graphics and Interactive Techniques. ACM SIGGRAPH 2005 Sketches: SESSION: Cinematography 31 July-4 August 2005 Los Angeles, California. New York: ACM Press.
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• Stephenson, I., 2005. A real virtual pinhole. In: International Conference on Computer Graphics and Interactive Techniques. ACM SIGGRAPH 2005 Posters: SESSION: Rendering 31 July-4 August 2005 Los Angeles, California. New York: ACM Press.
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• Stephenson, I., 2004. RenderMan for Research. In: Theory and Practice of Computer Graphics 8-10 June 2004 Bournemouth University, Poole.
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• Stephenson, I., 2003. Implementing RenderMan on the Sony PS2. In: ACM SIGGRAPH 2003 Sketches & Applications. SESSION: Hardware algorithms 27-31 July 2003 San Diego, California. New York: ACM Press.
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• Stephenson, I., 2003. Rendering Smoke with particle maps. In: International Conference on Computer Graphics and Interactive Techniques. ACM SIGGRAPH 2003: Pixar User Group. 27-31 July 2003 San Diego, California.
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• Stephenson, I., 2002. Compressing RIB files using DIFF. In: SIGGRAPH 2002, Pixar User Group. 21-26 July 2002 San Anatonio, Texas.
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• Stephenson, I., 2001. Anti-Aliasing Perlin Noise. In: SIGGRAPH 2001, Scetches and Applications 12-17 August 2001 Los Angeles, California.
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• Haddon, J. and Stephenson, I., 2001. Implementing vector-based texturing in RenderMan. In: SIGGRAPH 2001, Scetches and Applications 12-17 August 2001 Los Angeles, California.
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• Stephenson, I. and Taylor, R.W., 1994. Creatures and spirals a data parallel object architecture. In: Parallel and Distributed Processing, 1994. Proceedings. Second Euromicro Workshop on 26-28 January 1994 University of Malaga, Spain. , 64-69 Los Alamitos, Calif.: IEEE Computer Society Press.
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Posters

• Stephenson, D. and dravecky, P., 2023. Using The Barnes-Hut Approximation For Fast N-Body Simulations In Computer Graphics. In: Computer Graphics and Visual Computing 2023.
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• Stephenson, D., Hoxey, T. and Faiers, A., 2018. A Virtual Space with Real IoT Data. In: Eurographics 2018.
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• Stephenson, D. and Hoxey, T., 2018. Integrating Live Skeleton data into a VR Environment. In: Eurographics 2018.
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Software

• Stephenson, D., 2019. UK Comics Database.
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• Stephenson, D., 2014. Sniff.
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• Stephenson, D., 2001. Angel.
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Public Engagement & Outreach Activities

• Build your own environmental sensor (21 Jun 2016)

Conference Presentations

• OCCE 2024 – IFIP TC3 Open Conference on Computers in Education, The Sniff Programming Language, and Physical Computing for KS3/4 Science, 27 Feb 2024, Bournemouth
• Comics Forum UK Conference 2019, Black Window Panel, 07 Nov 2019, Leeds
• HEA Stem Conference 2017, Sniff - simple text-based coding for the physical world, 03 May 2017, Manchester
• Scratch@MIT 2016, Banana Physics in Sniff, 04 Aug 2016, Boston, MA
• ICT Conference for Schools, Banana Physics, 14 Mar 2016, Southampton
• ScratchAMS2015, Writing Scratch in Text, and Creating Devices, 04 Aug 2015, Amsterdam
• Scratch@MIT2014, Post Scratch Programming in Sniff, 05 Aug 2014, Cambridge, MA

Qualifications

• DPhil in Electronics (University of York, 1995)

Website Links

• This blog promotes the research in to the Sniff language to CS teachers and enthusiasts, http://www.sniff.org.uk/