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As part of a group of researchers working on an EPSRC funded project (Grant EP/C511824/1) I studied the impact of interactive global illumination on presence in virtual environments. We also investigated opportunities to further our previous research on global illumination.
Before this, I was on the Virtual Light Field project (EPSRC Grant GR/R13685/01) working on a new approach to global illumination for polygonal scenes with arbitrary materials. Apart from work on global illumination, part of the VLF approach has been extended and adapted for fast ray-tracing. This approach (VLF-RT) has also been extended to deal with scenes containing structured and unstructured dynamics.
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Publications, Reports and Presentations
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Visual Realism Enhances Realistic Response in an Immersive Virtual Environment - Part 2
I. Yu, J. Mortensen, P. Khanna, M. Slater
IEEE Computer Graphics and Applications - ISI Impact Factor: 1.8, ISSN:0272-1716, July 2011
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Visual Realism Enhances Realistic Response in an Immersive Virtual Environment
Slater, M., Khanna, P., Mortensen, J., Yu, I.
IEEE Computer Graphics and Applications, Volume 29, Issue 3 (May/June 2009), Pages 76-84.
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Real-Time Global Illumination for VR Applications
Mortensen, J., Khanna, P., Yu, I., Tecchia, F., Spanlang, B., Marino, G., Slater, M.
IEEE Computer Graphics and Applications, Volume 28, Issue 6 (November 2008), Pages 56-64.
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Real-time Global Illumination in the CAVE
Mortensen, J., Khanna, P., Yu, I., Slater, M.
VRST'07: Proceedings of the 2007 ACM symposium on Virtual reality software and technology.
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Virtual Light Field Propagation and Rendering on the GPU
Mortensen, J., Khanna, P., Slater, M.
AFRIGRAPH '07: Proceedings of the 5th international conference on Computer graphics, virtual reality, visualisation and interaction in Africa .
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A Non-parametric Guide to Radiance Sampling in Global Illumination
Khanna, P., Slater, M., Mortensen, J., Yu, I.
CGiV'07: Proceedings of the 4th International Conference on Computer Graphics, Imaging and Visualisation, Bangkok, Thailand, August 2007, IEEE Computer Society, pp 41-48.
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A Visibility Field for Ray Tracing
Mortensen, J., Khanna, P., Yu, I., Slater, M.
CGiV'07: Proceedings of the 4th International Conference on Computer Graphics, Imaging and Visualisation, Bangkok, Thailand, August 2007, IEEE Computer Society, pp 54-61.
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Presence in Response to Dynamic Visual Realism: A Preliminary Report of an Experiment Study
Khanna, P., Yu, I., Mortensen, J., Slater, M.
VRST '06: Proceedings of the ACM symposium on Virtual reality software and technology, Limassol, Cyprus, November 2006, pp 264-367.
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Global Illumination with the Virtual Light Field
Khanna, P.
Invited speaker, Centre de Realitat Virtual, Universitat Politècnica de Catalunya, 22nd March 2006.
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A Virtual Light Field for Global Illumination
Slater, M., Khanna, P.
Keynote Presentation, Theory and Practice of Computer Graphics 2005, University of Kent, Canterbury, 15th-17th June 2005.
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A Virtual Light Field Approach to Global Illumination
Slater, M., Mortensen, J., Khanna, P., Yu, I.
CGI '04: Proceedings of the Computer Graphics International (CGI'04), 2004, IEEE Computer Society, pp 102-109.
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A Virtual Light Field for Propagation and Walkthrough of Globally Illuminated Scenes
Khanna, P., Slater, M., Mortensen, J., Yu, I.
Technical Report, Department of Computer Science, University College London, 2004.
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A Visibility Field for Dynamic Ray Tracing
Khanna, P., Mortensen, J., Yu, I., Slater, M.
Technical Report, Department of Computer Science, University College London, 2004.
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Fast Ray Tracing of Scenes with Unstructured Motion
Khanna, P., Mortensen, J., Yu, I., Slater, M.
SIGGRAPH 2004 Proceedings, Posters Program, Los Angeles, August 8-12, 2004, ACM Press, pp 35.
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Fast Ray Tracing of Scenes with Unstructured Motion
Khanna, P., Mortensen, J., Yu, I., Slater, M.
Technical Report, Department of Computer Science, University College London, 2004.
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The Virtual Light Field: Global Illumination - Propagation and Rendering Seminar
Slater, M., Khanna, P., Yu, I., Mortensen, J.
Department of Computer Science, University College London, June 4th 2004.
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Other
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IEEE/EG Symposium on Interactive Ray Tracing 2007, Ulm, Germany, September 10-12, 2007.
Program Committee
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VRST 2006, ACM Symposium on Virtual Reality Software and Technology, Limassol, Cyprus, November 1st-3rd 2006.
Paper Reviewer
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2006 IEEE Symposium on Interactive Ray Tracing, Salt Lake City, September 18-20 2006.
Program Committee
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SIGGRAPH 2005, The 32nd International Conference on Computer Graphics and Interactive Techniques
Paper Reviewer
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