Computer graphics is an area of research that is relatively new to UBC within computer science. It was initiated in July, 1989, when the first faculty member was hired into the department. Current research activity is focused on the Imager computer graphics laboratory and in the Graphics and Film in Computing project (GraFiC), which is part of the new Media and Graphics Interdisciplinary Centre (MAGIC), both of which were started at UBC in 1990.

The three main components of the research program are modeling and rendering, interactive techniques, and applications of computer graphics to various problem domains. The Imager technical reports listed below describe our past and current work-in-progress on a wide range of research projects.

The technical reports are numbered and ordered by date. Click on a TR's name to download a zipped Postscript version of the report. Click on the authors' names to obtain more information about them. Click on "paper abstract" to view a text abstract of the report. Imager technical reports are also available as regular UBC Computer Science technical reports, stored under the same TR numbers shown here. We have technical reports available for the following years:

• 1996
• 1995
• 1994
• 1993
• 1992
• 1991

1996

• Importance Ordering for Real-Time Depth of Field. (42K)
  Paul Fearing. TR-96-06 (paper abstract, colour images). Appeared in Proceedings of the Third International Conference on Computer Science (pp. 372-380; Hong Kong).

• Wavelet Radiative Transfer and Surface Interaction. (476K)
  Robert R. Lewis. TR-96-07 (paper abstract). Appeared in SkiGraph Western Computer Graphics Symposium; see also submission to IEEE Visualization and Computer Graphics.

• A Perceptual Colour Segmentation Algorithm. (119K)
  Christopher G. Healey and James T. Enns. TR-96-09 (paper abstract).

• Choosing Effective Colours for Data Visualization. (243K)
  Christopher G. Healey. TR-96-10 (paper abstract). Appeared in IEEE Visualization '96 (San Francisco, California).

• Experimental Design: Input Device Protocols and Collaborative Learning. (74K)
  Joanna McGrenere, Kori Inkpen, Kellogg S. Booth, and Maria Klawe.

• Design: Educational Electronic Multi-Player Games - A Literature Review. (119K)
  Joanna McGrenere. TR-96-12 (paper abstract).

• Shared 3D Workspaces. (37K)
  Joanna McGrenere and Kellogg S. Booth. TR-96-13 (paper abstract).

• Light-Driven Global Illumination with a Wavelet Represention of Light Transport. (263K)
  Robert R. Lewis and Alain Fournier. TR-96-?? (paper abstract). Appeared in Proceedings of the 7th Eurographics Workshop on Rendering; see also CS Technical Report TR-95-28.

• Wavelet Radiative Transport and Surface Interaction. (263K)
  Robert R. Lewis and Alain Fournier. TR-96-?? (paper abstract); see also CS Technical Report TR-96-07.

1995

• Three-Dimensional Analysis of Scoliosis Surgery Using Stereophotogrammetry. (916K)
  Kellogg S. Booth, Stanley B. Jang, Chris W. Reily, Bonita J. Sawatzky, and Stephen J. Tredwell. TR-95-24 (paper abstract).

• Separating Reflection Functions for Linear Radiosity. (65K)
  Alain Fournier. TR-95-25 (paper abstract). To appear in Eurographics Workshop on Rendering '95 (submitted March 1995).

• From Local to Global Illumination and Back. (499K)
  Alain Fournier. TR-95-26 (paper abstract). To appear in Eurographics Workshop on Rendering '95, (submitted March 1995).

• VideHoc: A Visualizer for Homogeneous Coordinates. (91K)
  Robert R. Lewis. TR-95-27 (paper abstract). Appeared in Proceedings of the 11th ACM Symposium on Computational Geometry (C14-C15; Vancouver, Canada).

• Light-Driven Global Illumination with a Wavelet Represention of Light Transport. (1,019K)
  Robert R. Lewis and Alain Fournier. TR-95-28 (paper abstract); see also Eurographics Workshop on Rendering paper.

• Union of Spheres Model for Volumetric Data. (30K)
  Vishwa Ranjan and Alain Fournier. TR-95-29 (paper abstract). Appeared in Proceedings of the 11th ACM Symposium on Computational Geometry (C2-C3; Vancouver, Canada).

• Shape Transformations Using Union of Spheres. (93K)
  Vishwa Ranjan and Alain Fournier. TR-95-30 (paper abstract).

• Coordinating Heterogeneous Time-Based Media Between Independent Applications. (117K)
  Scott Flinn. TR-95-16 (paper abstract). Submitted to Multimedia '95, May 1995.

• The Creation, Presentation and Implications of Selected Auditory Illusions. (136K)
  Scott Flinn and Kellogg S. Booth. TR-95-15 (paper abstract). Appeared as Computer Science Technical Report (May 1995).

• Multiresolution Surface Approximation. (213K)
  David R. Forsey and David Wong. TR-95-31 (paper abstract, MPEG examples). Appeared as Computer Science Technical Report (June 1995).

• Pasting Spline Surfaces. (394K)
  C. Barghiel, Richard H. Bartels, and David R. Forsey. TR-95-32 (paper abstract). Appeared in Mathematical Methods in CAGD III, June 1995.

• Surface Fitting With Hierarchical Splines. (424K)
  David R. Forsey and Richard H. Bartels. TR-95-33 (paper abstract). Appeared in ACM Transactions on Graphics (Vol. 14, No. 2; pp. 134-161).

1994

• Langwidere: A New Facial Animation System. (20K)
  David R. Forsey and Carol L. Y. Wang. TR-94-34 (paper abstract). Appeared in Proceedings of Computer Animation '94 (submitted October 1993).

• A Multilevel Approach to Surface Response in Dynamically Deformable Models. (201K)
  Larry Palazzi and David R. Forsey. TR-94-35 (paper abstract). Appeared in Proceedings of Computer Animation '94 (submitted October 1993).

• Chebyshev Polynomials for Boxing and Intersections of Parametric Curves and Surfaces. (41K)
  Alain Fournier and John Buchanan. TR-94-36 (paper abstract). Appeared in Eurographics '94 (submitted March 1994).

• A Kinematic Model for Collision Response. (137K)
  Jason Harrison and David Forsey. TR-94-37 (paper abstract). Appeared in Eurographics Workshop on Animation and Simulation '94 (submitted March 1994).

• Making Shaders More Physically Plausible. (215K)
  Robert R. Lewis. TR-94-38 (paper abstract). Appeared in Computer Graphics Forum (pp. 1-13).

• Three-Dimensional Analysis of Scoliosis Surgery Using Stereophotogrammetry. (149K)
  Stanley B. Jang, Kellogg S. Booth, Chris W. Reily, Bonita J. Sawatzky, and Stephen J. Tredwell. TR-94-40 (paper abstract). Appeared in Proceedings SPIE Visual Data Exploration and Analysis '94 (Vol. 2178, No. 19; pp. 178-185).

• Real-Time Multivariate Data Visualization Using Preattentive Processing. (734K)
  Christopher G. Healey, Kellogg S. Booth, and James T. Enns. TR-94-39 (paper abstract). Appeared in ACM Transactions on Modeling and Computer Simulation (Vol. 5, No. 3, pp. 190-221).

1993

• Spline Overlay Surfaces. (41K)
  Richard H. Bartels and David R. Forsey. TR-93-48 (paper abstract). Appeared as Computer Science Technical Report (January 1993).

• Simulated Annealing for Profile and Fill Reduction of Sparse Matrices (74K)
  Robert R. Lewis. TR-93-49 (paper abstract). Appeared in International Journal for Numerical Methods in Engineering (Vol. 37, No. 6; p. 905-926).

• Volume Models for Volumetric Data. (??K)
  Vishwa Ranjan and Alain Fournier. TR-93-50 (paper abstract). Appeared in IEEE Computer (Vol. 27, No. 7; pp. 28-36).

• High-Speed Visual Estimation Using Preattentive Processing. (143K)
  Christopher G. Healey, Kellogg S. Booth, and James T. Enns. TR-93-51 (paper abstract). To appear in ACM Transactions on Computer-Human Interaction (in press, scheduled for July 1996 issue).

• From the Look of Things. (33K)
  Alain Fournier. TR-93-52 (paper abstract). Appeared in Graphics Interface '94 (pp. 157-164; Banff, Canada).

• A Model for Coordinating Interacting Agents. (??K)
  Paul Lalonde, Robert Walker, Jason Harrison, and David Forsey. TR-93-53 (paper abstract). Appeared in Graphics Interface '94 (pp. 149-156; Banff, Canada).

1992

• Filtering Normal Maps and Creating Multiple Surfaces. (71K)
  Alain Fournier. TR-92-41 (paper abstract).

• Solving the Classic Radiosity Equation Using Multigrid Techniques. (72K)
  Robert R. Lewis. TR-92-35 (paper abstract). Appeared in SkiGraph Western Computer Graphics Symposium (pp. 157-164).

• Multi-resolution Surface Approximation for Animation. (37K)
  David Forsey and Lifeng Wang. TR-92-36 (paper abstract). Appeared in Graphics Interface '93 (pp. 192-200; Toronto, Canada).

• A Ray Tracing Accelerator Based on a Hierarchy of 1D Sorted Lists. (??K)
  Alain Fournier and Pierre Poulin. TR-92-37 (paper abstract). Appeared in Graphics Interface '93 (pp. 53-61; Toronto, Canada).

• Common Illumination between Real and Computer Generated Scenes. (478K)
  Alain Fournier, Atjeng S. Gunawan, and Chris Romanzin. TR-92-38 (paper abstract). Appeared in Graphics Interface '93 (pp. 254-262; Toronto, Canada).

• Harnessing Preattentive Processes for Multivariate Data Visualization. (61K)
  Christopher G. Healey, Kellogg S. Booth, and James T. Enns. TR-92-39 (paper abstract). Appeared in Graphics Interface '93 (pp. 107-117; Toronto, Canada).

• Investigating the Effectiveness of Direction Manipulation of 3D B-Spline Curves Using the Shape-Matching Paradigm. (41K)
  Stanley Jang, Kellogg S. Booth, David R. Forsey, and Peter Graf. TR-92-40 (paper abstract). Appeared in Graphics Interface '93 (pp. 97-106; Toronto, Canada).

1991

• Character Animation using Hierarchical B-splines. (28K)
  David R. Forsey. TR-91-32 (paper abstract). Appeared in Eurographics Workshop on Animation and Simulation '91 (submitted March 1991).

Last updated, May 22, 1996.
Mail questions or comments to healey@cs.ubc.ca.