Professional Interests

Current Position

Education

• Ph.D., Computer Science, University of California, Berkeley, December 1985. Research advisor: Prof. Brian A. Barsky. Thesis title: Geometric Continuity: A Parametrization Independent Measure of Continuity for Computer Aided Geometric Design.
• B.S., Physics, University of California, Davis, June 1981. Professional Experience

Experience

• Research group lead, Pixar Animation Studios, May 2004 -- present.
• Manager of various groups in the Studio Tools Department, 1998-2004.
• Technical Director, Geri's Game, 1996-1998.
• Professor, Department of Computer Science and Engineering, University of Washington, August 1995-December 1995.
• Associate Professor, Department of Computer Science and Engineering, University of Washington, September 1990 - August 1995.
• Visiting Scientist, Boeing Computer Servicies, October - December 1993.
• Visiting Scientist, Apple Computer, Inc., Cupertino, CA., March - August 1992.
• Visiting Scientist, Xerox Palo Alto Research Center, Palo Alto, CA. September 1991 - March 1992.
• Assistant Professor, Department of Computer Science, University of Washington. September 1985 - September 1990.
• Visiting Scientist, Institute for Curve and Surface Research, University of Kaiserslautern, Kaiserslautern, West Germany. October - December 1988.

Awards

• Scientific and Technical Academy Award, 2006.
• ACM SIGGRAPH Computer Graphics Achievement Award, 1999.
• Academy Award for Best Animated Short Film (Geri's game), 1998.
• Discover Magazine Technical Innovation Award Finalist, June 1995.
• Presidential Young Investigator, National Science Foundation Award, March 1989.
• Digital's Faculty Program - Incentives for Excellence, October 1986.
• Departmental Citation for Outstanding Undergraduate Work in Physics, Department of Physics, UC Davis, June 1981.

Publications

Books

• E. Stollnitz, T. DeRose, and D. Salesin, Wavelets for Computer Graphics: Theory and Applications, Morgan-Kaufmann, 1996.

Refereed Journal Articles and Book Contributions

1. M. Lounsbery, T. DeRose, and J. Warren, Multiresolution Analysis for Surfaces of Arbitrary Topological Type, ACM Transactions on Graphics, Vol. 16, No. 1, January 1997, pp. 34-73. Preliminary version available as Technical Report 93-10-05, Department of Computer Science and Engineering, University of Washington, Seattle, WA (October 1993).
2. P. Christensen, E. Stollnitz, D. Salesin, and T. DeRose, Global Illumination of Glossy Environments using Wavelets and Importance, ACM Transactions on Graphics, Vol. 15, No. 1, January 1996, pp. 37-71. Preliminary version available as Technical Report No. 94-10-01, Department of Computer Science and Engineering, University of Washington, Seattle, WA (October 1994).
3. S. Mann and T. DeRose, Computing Values and Derivatives of B?zier and B-spline Tensor Product Surfaces (Short Communication), Computer Aided Geometric Design, Vol 12, No 1, February 1995, pp. 107-110. Preliminary version available as Research Report 93-31, Department of Computer Science, University of Waterloo, Waterloo, Ontario (May 1993).
4. F. Amador, D. Berman, A. Borning, T. DeRose, A. Finkelstein, D. Neville, D. Notkin, D. Salesin, M. Salisbury, J. Sherman, Y. Sun, D. Weld, and G. Winkenbach, Electronic How Things Work Articles: Two Early Prototypes, IEEE Trans. Knowledge and Data Engineering, Vol. 5, No. 4, August 1993, pp. 611-618 . Preliminary version available as Technical Report 92-04-08, Department of Computer Science and Engineering, University of Washington, Seattle, WA (April 1992).
5. T. DeRose, R. Goldman, H. Hagen, and S. Mann, Functional Composition via Blossoming, ACM Transactions on Graphics, Vol. 12, No. 2, April 1993, pp. 113-135. Preliminary version available as Technical Report No. 91-05-04, Department of Computer Science and Engineering, University of Washington, Seattle, WA (May 1991).
6. T. DeRose and S. Mann, An Approximately G1 Cubic Surface Interpolant, pp. 185-196 in Mathematical Methods in Computer Aided Geometric Design II, edited by Tom Lyche and Larry L. Schumaker, Academic Press, 1992. Refereed volume of papers from Curves, Surfaces, CAGD, and Image Processing, Biri, Noway, June 1991.
7. S. Mann, M. Lounsbery, C. Loop, D. Meyers, J. Painter, T. DeRose, and K. Sloan, A Survey of Parametric Surface Fitting using Triangular Interpolants, Chapter 8 in Curve and Surface Design, edited by H. Hagen, SIAM, pp. 145-172, 1992 Refereed volume of papers from the SIAM Conference on Geometric Design, Tempe, AZ, November 1989.
8. T. DeRose, Rational B?zier Curves and Surfaces on Projective Domains, pp. 35-45 in NURBS for Curve and Surface Design, edited by G. Farin, SIAM, 1991. Refereed volume of papers from the SIAM Conference on Geometric Design, Tempe, AZ, November 1990.
9. T. DeRose, R. Goldman, and M. Lounsbery, A Tutorial Introduction to Blossoming, pp. 267-286 in Geometric Modeling, Methods and Applications, edited by H. Hagen and D. Roller, Spring-Verlag, 1991.
10. P. Barry, R. Goldman, and T. DeRose, B-splines, P-lya Curves and Duality, Journal of Approximation Theory, Vol. 65, 1991, pp. 3-21.
11. T. DeRose, Necessary and Sufficient Conditions for Tangent Plane Continuity of B?zier Surfaces, Computer Aided Geometric Design, Vol. 7, No. 1-4, June 1990, pp. 165-180.
12. M. Bailey, B. Barnard, R. Cypher, T. DeRose, D. Dobrikin, C. Ebeling, S. Konstantinidou, L. McMurchie, H. Mizrahi, B. Yost, The Apex: Two VLSI Designs for Generating Parametric Curves and Surfaces, The Visual Computer, Vol. 5, No. 5, October 1989, pp. 264-276. Preliminary version available as Technical Report No. 88-12-04, Department of Computer Science, University of Washington, Seattle WA (December 1988).
13. T. DeRose, A Coordinate-Free Approach to Geometric Programming, pp. 291-305 in Theory and Practice of Geometric Modeling, edited by W. Strasser and H.-P. Seidel, Springer-Verlag, Berlin, 1989. Refereed volume of papers from Theory and Practice of Geometric Modeling, Blaubeuren, West Germany, October 1988. Expanded version available as Technical Report No. 89-09-16, Department of Computer Science and Engineering, University of Washington, Seattle, WA (September 1989).
14. C. Loop and T. DeRose, A Multisided Generalization of B?zier Surfaces, ACM Transactions on Graphics, Vol. 8, No. 3, July 1989, pp. 204-234. Preliminary version available as Technical Report No. 88-05-02, Department of Computer Science, University of Washington, Seattle, WA (May 1988).
15. M. Stone and T. DeRose, A Geometric Characterization of Parametric Cubic Curves, ACM Transactions on Graphics, Vol. 8, No. 3, July 1989, pp. 147-163. Preliminary version available as Technical Report No. EDL-88-8, Xerox Palo Alto Research Center, Palo Alto, CA, (December 1988).
16. T. DeRose, Composing B?zier Simplexes, ACM Transactions on Graphics, Vol. 7, No. 3, July 1988, pp. 198-221. Preliminary version available as Technical Report No. 87-08-06, Department of Computer Science, University of Washington, Seattle, WA (August 1987).
17. T. DeRose, and B. Barsky, Geometric Continuity, Shape Parameters, and Geometric Constructions for Catmull-Rom Splines, ACM Transactions on Graphics, Vol. 7, No. 1, January 1988, pp. 1-41.
18. R. Goldman and T. DeRose, Recursive Subdivision Without the Convex Hull Property, Computer Aided Geometric Design, Vol. 3, No. 4, December 1986, pp. 247-265.
19. T. DeRose and B. Barsky, An Intuitive Approach to Geometric Continuity for Parametric Curves and Surfaces, pp. 159-175 in Computer-Generated Images - The State of the Art, edited by Nadia Magnenat-Thalmann and Daniel Thalmann, Springer-Verlag, 1985.

SIGGRAPH Papers

1. P. Joshi, M. Meyer, T. DeRose, B. Green, T. Sanocki, Harmonic Coordinates for Character Articulation, to appear in Proceedings of SIGGRAPH '07, 2007.
2. R. Cook, T. DeRose, Wavelet Noise, pp. 803-811 in Proceedings of SIGGRAPH '05, 2005.
3. T. DeRose, M. Kass, T. Truong, Subdivision Surfaces in Character Animation, pp. 85-94 in Proceedings of SIGGRAPH '98, July 1998.
4. A. Certain, J. Popovic, T. DeRose, T. Duchamp, D. Salesin, and W. Stuetzle, Interactive Viewing of Multiresoltuion Surfaces, pp. 91-98 in Proceedings of SIGGRAPH '96, August 1996.
5. J. Shade, D. Lischinski, D. Salesin, T. DeRose, and J. Snyder, High-Performance Hierarchical Image Caching for Accelerated Walkthroughs of Complex Environments. pp. 75-82 in Proceedings of SIGGRAPH '96, August 1996.
6. M. Eck, T. DeRose, T. Duchamp, H. Hoppe, M. Lounsbery, and W. Stuetzle, Multiresolution Analysis of Arbitrary Meshes, pp. 173-182 in Proceedings of SIGGRAPH "95. Preliminary version available as Technical Report 95-01-02, Department of Computer Science and Engineering, University of Washington, Seattle, WA (January 1995).
7. H. Hoppe, T. DeRose, T. Duchamp, H. Jin, M. Halstead, J. McDonald, J. Schweitzer, and W. Stuetzle, Piecewise Smooth Surface Reconstruction, pp. 295-302 in Proceedings of SIGGRAPH "94, July 1994. Preliminary version available as Technical Report 94-01-01, Department of Computer Science and Engineering, University of Washington, Seattle, WA (January 1994).
8. E. Bier, M. Stone, K. Pier, W. Buxton, and T. DeRose, Tool Glass and Magic Lenses: The See-Through Interface, pp. 73-80 in Proceedings of SIGGRAPH "93, July 1993.
9. M. Halstead, M. Kass, and T. DeRose, Efficient, Fair Interpolation using Catmull-Clark Surfaces pp. 35-44 in Proceedings of SIGGRAPH "93 July 1993.
10. H. Hoppe, T. DeRose, T. Duchamp, J. McDonald, and W. Stuetzle, Mesh Optimization, pp. 19-26 in Proceedings of SIGGRAPH "93, July 1993. Preliminary version available as Technical Report 93-01-01, Department of Computer Science and Engineering, University of Washington, Seattle, WA (January 1993).
11. H. Hoppe, T. DeRose, T. Duchamp, J. McDonald, and W. Stuetzle, Surface Reconstruction from Unorganized Points, pp. 71-78 in Proceedings of SIGGRAPH '92 July 1992. Preliminary version available as Technical Report 91-12-03, Department of Computer Science and Engineering, University of Washington, Seattle, WA (December 1991).
12. C. Loop and T. DeRose, Generalized B-spline Surfaces of Arbitrary Topology, pp. 347-356 in Proceedings of SIGGRAPH '90, August 1990. Preliminary version available as Technical Report No. 90-01-10, Department of Computer Science and Engineering, University of Washington, Seattle, WA (January, 1990).

Other Refereed and Reviewed Publications

1. B Chamberlain, T. DeRose, D. Lischinski, D. Salesin, and J. Snyder, Fast Rendering of Complex Environments in Proceedings of Graphics Interface 1996.
2. E. Stollnitz, T. DeRose, and D. Salesin, Wavelets for Computer Graphics: A Primer, Part 1, IEEE Computer Graphics and Applications, Vol 15, No. 3, pp. 76-84. Preliminary version available as Technical Report 94-09-11, Department of Computer Science and Engineering, University of Washington, Seattle, WA (September 1994).
3. E. Stollnitz, T. DeRose, and D. Salesin, Wavelets for Computer Graphics: A Primer, Part 2, IEEE Computer Graphics and Applications, Vol 15, No. 4, pp. 75-85. Preliminary version available as Technical Report 94-09-11, Department of Computer Science and Engineering, University of Washington, Seattle, WA (September 1994).
4. P. Christensen, E. Stollnitz, D. Salesin, and T. DeRose, Wavelet Radiance, pp. 287-302 in Proceedings of the Fifth Eurographics Workshop on Rendering, June 1994. Preliminary version available as Technical Report 94-01-05, Department of Computer Science and Engineering, University of Washington, Seattle, WA (January 1994).
5. E. Bier, M. Stone, K. Pier, K. Fishkin, T. Baudel, M. Conway, W. Buxton, and T. DeRose, Toolglass and Magic Lenses: The See-Through Interface, video abstract, Proceedings of CHI '94.
6. P. Christensen, D. Salesin, and T. DeRose, A Continuous Adjoint Formulation for Radiance Transport, pp. 95-104 in Proceedings of the Fourth Euographic Workshop on Rendering, June 1993.
7. H. Hoppe, T. DeRose, T. Duchamp, J. McDonald, and W. Steutzle, Fitting Surfaces to Scattered Data, pp. 212 - 220 in proceedings of Curves and Surfaces in Computer Vision and Graphics 3 (SPIE proceedings Vol. 1830), November 1992
8. M. Lounsbery, S. Mann, and T. DeRose, Parametric Surface Interpolation, IEEE Computer Graphics and Applications, Vol. 12, No. 5, September 1992, pp. 45-52.
9. D. Salesin, D. Lischinski, and T. DeRose, Reconstructing Illumination Functions with Selected Discontinuities, pp. 90-112 in Proceedings of the 3rd Eurographics Workshop, 1992.
10. H. Pottmann and T. DeRose, Classification Using Normal Curves, pp. 217-227 in SPIE Proceedings Vol. 1610, November 1991
11. R. Bedichek, T. DeRose, C. Ebeling, and G. Winkenbach, Rapid Low-cost Display of Spline Surfaces, in Proceedings of the Conference on Advanced Research in VLSI, MIT Press, March 1991. Preliminary version available as Technical Report No. 91-03-01, Department of Computer Science and Engineering, University of Washington, Seattle, WA (March 1991).
12. P. Barry, T. DeRose, and R. Goldman, Pruned B?zier Curves, pp. 229-238 in Proceedings of Graphics Interface '90, May 1990.
13. M. Lounsbery, C. Loop, S. Mann, D. Meyers, J. Painter, T. DeRose, and K. Sloan, A Testbed for the Comparison of Parametric Surface Methods, pp. 94-105 in Curves and Surfaces in Computer Vision and Graphics, Leonard A. Ferrari and Rui J.P. de Figueiredo editors, SPIE Proceedings Vol. 1251, February, 1990
14. B. Barsky and T. DeRose, Geometric Continuity of Parametric Curves: Constructions of Geometrically Continuous Splines, IEEE Computer Graphics and Applications, Vol. 10, No. 1, January, 1990, pp. 60-68
15. B. Barsky and T. DeRose, Geometric Continuity of Parametric Curves: Three Equivalent Characterizations, IEEE Computer Graphics and Applications, Vol. 9, No. 2, November, 1989, pp. 60-68. Preliminary version available as Technical Report No. UCB/CSD 88/417, Computer Science Division, Department of Electrical Engineering and Computer Science, University of California, Berkeley (May 1988).
16. T. DeRose, L. Snyder, and C. Yang, Near-Optimal Speedup of Graphics Algorithms Using Multigauge Parallel Computers, pp. 289-294 in Proceedings of 1987 International Conference on Parallel Processing.
17. J. Gross, T. DeRose, and B. Barsky, Asterisk: An Extensible Testbed for Spline Development, pp. 241-246 in Proceedings of Graphics Interface '86, May 1986.
18. L. Speer, T. DeRose, and B. Barsky, A Theoretical and Empirical Study of Coherent Ray-tracing, pp. 1-7 in Proceedings of Graphics Interface '85, May 1985.
19. B. Barsky and T. DeRose, The Beta2-spline: A Special Case of the Beta-spline Curve and Surface Representation, Computer Graphics and Applications, Vol. 5, No. 9, September, 1985, pp. 46-58. Also available as Technical Report No. UCB/CSD 83/152.
20. T. DeRose and B. Barsky, Geometric Continuity and Shape Parameters for Catmull-Rom Splines (Extended Abstract), pp. 57-64 in Proceedings of Graphics Interface '84, May 1984.

Other Publications

1. T. DeRose, E. Stollnitz, and D. Salesin, Wavelets for Computer Graphics: A Primer, SIGGRAPH '94 Tutorial Course Notes.
2. G. Winkenbach and T. DeRose, Blending Points Sets Yields a Generalized Blending Mechanism, pp. 53-54 in Proceedings of the 1992 Western Computer Graphics Symposium, April 1992.
3. T. DeRose, Interactive Surface Modeling in the Three-Dimensional Design Space, pp. 1-7, in Proceedings of the 16th Annual NSF Grantees Conference in Design and Manufacturing Systems Research, Tempe, AZ, January 1990.
4. T. DeRose, Geometric Programming: A Coordinate-Free Approach, SIGGRAPH '88, '89 Tutorial Course Notes.
5. T. DeRose, Geometric Continuity: An Application of Differential Geometry, SIGGRAPH '87 Tutorial Course Notes, Course No. 19, July 1987.

Technical Reports

1. T. DeRose, T. Duchamp, H. Hoppe, J. McDonald, and W. Stuetzle, Reconstructing Two-Dimensional Manifolds from Scattered Data: Motivation and Background, Technical Report No. 215, Department of Statistics, University of Washington, Seattle, WA. (October 1991).
2. T. DeRose and T. Holman, Parallel Architectures for Fast Curve and Surface Generation, Technical Report No. 91-04-03, Department of Computer Science and Engineering, University of Washington, Seattle, WA (April, 1991).
3. T. DeRose and T. Holman, The Triangle: A Multiprocessor Architecture for Fast Curve and Surface Generation, Technical Report No. 87-08-07, Department of Computer Science, University of Washington, Seattle, WA (August 1987).
4. B. Barsky, T. DeRose, and M. Dipp?, An Adaptive Subdivision Method with Crack Prevention for Rendering Beta-spline Objects, Technical Report No. UCB/CSD 87/348 Computer Science Division, Electrical Engineering and Computer Sciences Department, University of California, Berkeley, CA, (March, 1987).
5. A. DeRose, Geometric Continuity: A Parametrization Independent Measure of Continuity for Computer Aided Geometric Design, Technical Report No. 86-09-04, Department of Computer Science, University of Washington, Seattle, WA. (September 1986). Also available as Technical Report No. UCB/CSD 86/255, Computer Science Division, Electrical Engineering and Computer Sciences Department, University of California, Berkeley, CA.
6. B. Barsky and T. DeRose, Geometric Continuity for Parametric Curves, Technical Report No. UCB/CSD 84/205, Computer Science Division, University of California, Berkeley, CA. (August 1984).

Grants

1. Subdivision Methods for Computer Aided Design and Engineering, National Science Foundation Proposal Number CCR-9502694, $150,000, August 1, 1995 - July 31, 1998.
2. 3D Scanning: from physical objects to electronic models, (with T. Duchamp, J. McDonald, W. Stuetzle) National Science Foundation Grant No. DMS-9402734, $290,000, July 1, 1994 - June 31, 1997.
3. High Performance Parallel/Distributed Computing,, (with Richard Anderson, Alan Borning, Edward D. Lazowska, Henry M. Levy, David Notkin, Lawrence Snyder, Steven L. Tanimoto, and John Zahorjan) National Science Foundation Institutional Infrastructure Program, Grant No. CDA-9123308, $1,600,000,1992-1996.
4. Interactive Modeling and Visualization of Complex Environments, (with D. Salesin) National Science Foundation CISE Research Instrumentation Grant No. CDA-9320390, $109,503, March 1994 - August 1995.
5. Revitalizing the Graphics Curriculum: A New Emphasis on Interactive Applications and Fundamentals, instructional equipment grant, Silicon Graphics Inc., $180,733, 1994.
6. Preparing for the Computer Graphics Revolution, instructional equipment proposal to the College of Engineering, University of Washington, $80,000, 1994.
7. Research Institute for Software Engineering Award, $51,570, May 1990 -- April 1993.
8. Blossoming, Successive Linear Combination Algorithms, and Computer Aided Geometric Design, (with Ronald N. Goldman and Phillip J. Barry), National Science Foundation Grant No. CCR-9113239, approximately $600,000, 1992-1995. UW portion: $42,237, July 1, 1994 - June 31, 1995.
9. Presidential Young Investigator, National Science Foundation Grant No. CCR-8957323, $312,500, April 1989 - February 1995.
10. Interactive Modeling and Rendering of Complex Environments, (with D. Salesin) Washington Technology Center Grant No. 94-C34, $37,105, November 1, 1994 - June 30, 1995.
11. Mathematical Sciences: Curve and Surface Reconstruction from Unorganized Data, (with W. Stuetzle and J. McDonald), National Science Foundation Grant No. DMS-9103002, $354,074, March 1, 1992 - February 28, 1995.
12. Xerox Corporation, $30,000, PYI matching award.
13. Equipment Donation, Hewlett-Packard Corp., $127,000 (100% equipment allowance).
14. Equipment Donation, Digital Equipment Corporation, Graphics Initiators Program, 65% discount on equipment retailing up to $200,000 plus $5,000 cash.
15. Surface Schemes for the Three Dimensional Solid Design Space, National Science Foundation Grant No. DMC-8802949, $157,192, August 1988 - July 1991.
16. Digital's Faculty Program --- Incentives for Excellence, $75,000, October 1986 - September 1989.
17. The Three-Dimensional Solid Design Space, (with Prof. Kenneth Sloan), National Science Foundation Equipment Grant No. CCR-8612543, $65,479, October 1986.
18. Toward the Effective Use of Geometrically Continuous Techniques, National Science Foundation Grant No. DMC-8602141, $114,210, June 1, 1986 - November 30, 1988.
19. An Evaluation Algorithm for Beta-spline Curves of Arbitrary Degree, Graduate School Research Fund, University of Washington, $4,880, March 1, 1986 - February 28, 1987.

Patents and Patent Applications

• Realistic surface simulation in computer animation, U.S. Patent 6,300,960, October 9, 2001.
• Hybrid subdivision in computer graphics, U.S. Patent, 6,222,553, April 24, 2001.
• Texture mapping and other uses of scalar fields on subdivision surfaces in computer graphics and animation, U.S. Patent, 6,037,949, March 14, 2000.
• Method for Operating on Objects in a First Image Using an Object-Based Model Data Structure to Produce a Second Contextual Image Having Added, Replaced or Deleted Objects, U.S. Patent 5,467,441, Nov. 14, 1995 (with M. Stone).
• Method and Apparatus for Producing a Composite Second Image in the Spatial Context of a First Image, U.S. Patent 5,479,603, Dec. 26, 1995 (with M. Stone, E. Bier, and K. Fishkin).
• Method and Apparatus for Operating on the Model Data Structure of an Image to Produce Human Perceptible Output in the Context of the Image, pending (with M. Stone).
• Method and Apparatus for Operating on an Object-Based Model Data Structure to Produce a Second Image in the Spatial Context of a First Image, US Patent 5, 596, 690, January 21, 1997 (with M. Stone).
• User-Directed Method for Operating on an Object-Based Model Data Structure Through a Second Contextual Image, U.S. Patent 5,652,851, (with M. Stone and E. Bier).

Teaching

* Indicates courses that were developed or substantially revised.

• CSci 142, Intro programming: A '92.
• CSci 326, Data structures: W '86, W '89, W '91.
• CSci 373, Data structures for non-majors: F '86.
• CSci 444, Database systems: W '88. * CSci 457, Computer graphics: S '86, S '87, A '87, A '90, W '93, AÕ94, S '95. * CSci 557, Graduate computer graphics: W '87, S '88, S '89, S '90, S '91, W '95. * CSci 558, Special topics in graphics and geometric design: W '90, S '93, S '94. * CSci 590SC, Computing for scientists: W '94.

Ph.D. Theses Supervised

• Jean Schweitzer, Analysis and Application of Subdivision Surfaces, December 1996.
• Per Christensen, Hierarchical Techniques for Glossy Global Illumination, July 1995.
• Michael Lounsbery, Multiresolution Analysis for Surfaces of Arbitrary Topological Type, September 1994.
• David Meyers, Reconstruction of Surfaces From Planar Contours, August 1994.
• Hugues Hoppe, Surface Reconstruction from Unorganized Points, July 1994.
• Stephen Mann, Surface Approximation Using Geometric Hermite Patches, December 1992.
• Charles Loop, Generalized B-splines of Arbitrary Topological Type, April 1992.
• Ph.D. committee member for: Brett Bennett (1985), Carl Binding (1987), Robert Duisberg (1986), James Painter (1989), Will Welch(1996), Georges Winkenbach(1996), Craig Wittenbrink (EE 1993), Seungku Yi (1990).

Master's Theses Supervised

• Austin Dahl, Weyl: A Language for Computer Graphics and Computer Aided Geometric Design, 1992.
• William Longabaugh, An Expanded System for Coordinate-Free Geometric Programming, 1992.
• Susanne Jul, A Software Framework for Graphics Research, 1988.
• Daniel O'Donnell, Rendering Scenes Containing Solid Light Sources, 1988.
• Philip Schneider, Phoenix: An Interactive Curve Design System Based on the Automatic Fitting of Hand-Sketched Curves, 1988.

Master's Projects supervised

• Harry Plate, 1986. Past and current senior project students: Robert Bunney (a constraint-based interactive diagram editor), Kathy Cederstrom (a PostScript previewer), Dan Clay (a constructive solid geometry language), Karen Foltz (implementing constructive solid geometry), Rick Lamont (optimized a constructive solid geometry system), Gemini Lasswell (raytraced solid textures), Jinling Lee (fast CSG display), Kirk Godtfredson (hidden line elimination), Scott Seiber (CSG on polygons).

Departmental and University Service

• AY 94-95: Computer Science Laboratory Policy Committee (chair), College of Engineering Faculty Affairs Committee (chair), College of Engineering College Council.
• AY 93-94: Computer Science and Engineering Executive Committee, Computer Science Laboratory Policy Committee (chair), College of Engineering Faculty Affairs Committee.
• AY 92-93: Computer Science and Engineering Executive Committee, Computer Science and Engineering Graduate Admissions Committee, College of Engineering Faculty Affairs Committee.
• AY 90-91: Computer Science and Engineering Executive Committee, Computer Science and Engineering Undergraduate Advisor, Computer Science and Engineering Undergraduate Admissions Committee (chair).
• AY 89-90: Computer Science and Engineering Undergraduate Advisor, Computer Science and Engineering Undergraduate Admissions Committee (chair), Computer Science and Engineering ABET Review Committee
• AY 88-89: Computer Science Review of Progress Committee, Computer Science TA Assignments Committee, Computer Science Graduate Student Funding Committee (chair).
• AY 87-88: Computer Science Laboratory Policy Committee, Computer Laboratory Course Assignments Committee.
• AY 86-87: Computer Science Undergraduate Admissions Committee .
• AY 85-86: Computer Science Undergraduate Admissions Committee .

Major Professional Activities

• Co-chair, SIAM Conference on Geometric Design, November 1999.
• Co-chair, SIAM Conference on Geometric Design, November 1997.
• Associate Editor, IEEE Transactions on Vision and Computer Graphics '96 - '99.
• Associate Editor, ACM Transactions on Graphics '89 - '95.
• Technical program committee, SIGGRAPH '87, '88, '89, '93, '95, '96, '05, '06.
• Technical program committee, Third International Scomputer Science Conference, Hong Kong, December 1995.
• Technical program committee, SIAM Conference on Geometric Design, November 1993.
• Technical program committee, SPIE Conference on Curves and Surfaces in Computer Vision and Graphics III, Boston, November 1992.
• Technical program committee, Graphics Interface "92, Vancouver, May 1992.
• Technical program committee, Symposium on Interactive 3D Graphics, March 1992.
• Technical program committee, Symposium on Interactive 3D Graphics, March 1990, Snowbird, Utah.