Publications of James Stewart

Follow a link to get an abstract and a further pointer to the postscript paper.

Journal Publications & Siggraph

• T. Karkanis and A. J. Stewart, ``Curvature-Dependent Triangulation of Implicit Surfaces,'' IEEE Computer Graphics and Applications, 21(2):60-69, (March 2001)
• A. J. Stewart, `` Computing visibility from folded surfaces,'' Computers and Graphics, 23(5):693-702, (October 1999)
• A. J. Stewart, `` Fast horizon computation at all points of a terrain with visibility and shading applications,'' IEEE Transactions on Visualization and Computer Graphics, 4(1):82-93, (March 1998)
• A. J. Stewart and M. S. Langer, ``Towards accurate recovery of shape from shading under diffuse lighting,'' IEEE Transactions on Pattern Analysis and Machine Intelligence, 19(9):1020-1025 (September 1997)
• A. J. Stewart and S. Ghali, `` Fast computation of shadow boundaries using spatial coherence and backprojections,'' Computer Graphics (SIGGRAPH), August 1994, pp 231-238
• A. J. Stewart, `` Local robustness and its application to polyhedral intersection,'' International Journal of Computational Geometry and Applications, 4(1):87-118 (1994)

Conference Papers

• A. J. Stewart, ``Tunneling for Triangle Strips in Continuous Level-of-Detail Meshes'', Graphics Interface, June 2001, pp ??
• C. Trendall and A. J. Stewart, ``General calculations using graphics hardware, with applications to interactive caustics,'' Eurographics Rendering Workshop, June 2000.
• M. van de Panne and A. J. Stewart, ``Effective compression techniques for precomputed visibility,'' Eurographics Rendering Workshop, June 1999, pp 305-316.
• A. J. Stewart and T. Karkanis, ``Computing the approximate visibility map, with applications to form factors and discontinuity meshing,'' Eurographics Rendering Workshop, June 1998, pp 57-68.
• A. J. Stewart, `` Hierarchical visibility in terrains,'' Eurographics Rendering Workshop, June 1997, pp 217-228.
• S. Ghali and A. J. Stewart, `` Incremental update of the visibility map as seen by a moving viewpoint in two dimensions,'' Eurographics Workshop on Animation and Simulation, August 1996, pp 1-11.
• A. J. Stewart and M. S. Langer, `` Towards accurate recovery of shape from shading under diffuse lighting,'' Proceedings IEEE Conference on Computer Vision and Pattern Recognition, June 1996, pp 411-418.
• S. Ghali and A. J. Stewart, `` A complete treatment of D1 discontinuities in a discontinuity mesh,'' Graphics Interface, May 1996, pp 122-131
• A. J. Stewart and S. Ghali, "An output sensitive algorithm for the computation of shadow boundaries," Fifth Canadian Conference on Computational Geometry, August 1993, pp 291-296
• A. J. Stewart and J. F. Cremer, "Animation of 3D human locomotion: climbing stairs and descending stairs," Eurographics Workshop on Animation and Simulation, September 1992, pp 152-168
• A. J. Stewart and J. F. Cremer, "Beyond keyframing: an algorithmic approach to animation" (some figures missing in the electronic version), Graphics Interface, 1992, pp 273-281
• A. J. Stewart, "Robust point location in approximate polygons (extended abstract)," Canadian Conference on Computational Geometry, 1991, pp 179-182
• A. J. Stewart and J. F. Cremer, "Algorithmic control of walking," IEEE International Conference on Robotics and Automation, 1989, pp 1598-1603
• J. F. Cremer and A. J. Stewart, "The architecture of Newton, a general purpose dynamics simulator," IEEE International Conference on Robotics and Automation, 1989, pp 1806-1811
• J. F. Cremer and A. J. Stewart, "Using the Newton simulation system as a testbed for control," Third IEEE International Symposium on Intelligent Control, 1988, pp 399-404

Videos

• S. Ghali and A. J. Stewart, ``Maintenance of the Set of Segments Visible from a Moving Viewpoint in Two Dimensions'' Proceedings of the 12th Annual ACM Symposium on Computational Geometry, May 1996, pp V3-V4

Reports

• A. J. Stewart, `` Fast horizon computation for accurate terrain rendering,'' Technical Report 349, Department of Computer Science, University of Toronto, June 1996
• A. J. Stewart, `` The theory and practice of robust geometric computation, or, How to build robust solid modelers,'' Ph.D. thesis, Cornell University, 1991, also in Cornell Computer Science Technical Report 91-1229
• A. J. Stewart, ``Robust point location in approximate polygons,'' Cornell Computer Science Technical Report 91-1208, 1991

Up to James Stewart's home page