(Jack) John Erwin Tumblin Program of 580 Frank H. T. Rhodes Hall Cornell University Ithaca, NY 14853-3801 Phone: (607) 255–6714 FAX:(607) 255–0806 E-Mail: [email protected] URL: www.graphics.cornell.edu/ jet ∼ U. S. Citizen

Research Interests: Human visual perception of intensity, movement, form and color; computer graphics, visual appearance, surface modeling, computational geometry, image-based rendering, image processing, and computer vision.

Education: December 1999 Georgia Institute of Technology. Doctor of Philosophy in Computer Science. Disserta- tion Topic: Three Methods of Detail-Preserving Contrast Reduction for Displayed Images. Thesis advisor: Greg Turk. December 1990 Georgia Institute of Technology. Master of Science in Electrical Engineering. Minor in mathematics, GPA 3.7/4.0, earned from part-time studies during full-time employment at IVEX Corp. Emphasized digital signal processing, Fourier optics, and computer graphics. Independent studies led to one published paper. January 1980– University of Southern California. Study towards Master of Fine Arts in Cinema. January 1981 Made several student films, including work on Ken Kwapis’ “For Heavens Sake,” which won 1982 Academy Award-Student Division. Left for KTLA-TV job offer. September 1978 Georgia Institute of Technology. Bachelor of Science (Electrical Engineering). Eta Kappa Nu and Briaerean Society (EE scholastic honoraries); music director at WREK-FM radio, Co-op student at Research Institute. Music studies at Georgia State University led to U.S. Patent #4,321,853.

Teaching Experience: Fall 2000 Guest Lecturer, CS517 Advanced Computer Graphics, Cornell University, graduate level. Instructor: Dr. Philip Dutr´e. Fall 1999 Guest Lecturer, Arch476.6 Advanced Computer Graphics, Cornell University, graduate level. Instructor: Dr. Philip Dutr´e. Fall 1999 Guest Lecturer, NSF/STC Televideo Seminar Series. Five universities (Brown, Cornell, Utah, California Institute of Technology, and UNC-Chapel Hill) linked by interactive video for collaborative teaching and research discussions. Winter 1997 Teaching Assistant, CS7321 Computer Vision, Georgia Tech, graduate level. Instructor: Dr. Irfan Essa. (Jack) John Erwin Tumblin Page 2 of 5

Professional Recognition:

2000–2001 Guest Editor, IEEE Computer Graphics and Applications, “Applied Perception” special issue to be published September, 2001. 1993–Present Reviewer, ACM Transactions on Graphics, ACM SIGGRAPH conference papers, ACM SIGGRAPH technical sketches, IEEE Transactions on Visualization and Computer Graph- ics, IEEE Computer Graphics and Applications, Computer Graphics Forum (Eurograph- ics), Eurographics Workshop on Rendering, Graphics Interface (Annual Conference), ACM Symposium on Interactive 3D Graphics. Also reviewed thesis work at Cornell by Dan Kartch (Ph.D) and Hector Yee (M.S.) at their advisors’ requests.

Employment History

1999–Present Post-Doctoral Associate, Program of Computer Graphics, Cornell University. Research on perceptually guided animation and rendering, and new image representations. 1997–1999 Graduate Research Assistant, GVU Center, Georgia Institute of Technology. Conducted research on adaptation models and diffusion. 1996–1997 Consultant, IVEX Corporation, Atlanta, GA. System design/lead engineer on Aero- Vision product, a new Level-C FAA-certifiable computer graphics image generator for flight simulation. Working prototype was demonstrated to customers in June 1997. 1994-1995 Research Intern, Microsoft Corporation. Graphics Research Group, Redmond, WA. Performed investigations towards dissertation work, designed and tested several mathemat- ical models of local adaptation in the human visual system. 1991–1994 Graduate Research Assistant, Scientific Visualization Group, Georgia Institute of Technology. Prepared and presented instructional seminars, helped researchers view their data graphically, and helped develop the ‘GlyphMaker’ visualization software package. 1983–1991 Research Engineer, IVEX Corporation, Atlanta, GA. System design and lead engineer for a series of computer image generator products for commercial and military pilot training. Awarded U.S. Patents #4,752,836, #4,807,158, and #4,873,585 during the course of this work. My work on IVEX-sponsored consulting for Scientific-Atlanta Inc. was awarded U.S. Patents #4,924,498 and #5,142,575. 1982–1983 Consultant, Peerless Instrument Co., Los Angeles, CA. customization of broadcast electronics equipment, including electronic reticles, high-frame-rate TV systems, and early design studies for IVEX Corp. 1980–1982 Television Engineer, KTLA-TV5 Los Angeles, CA. Repair and maintenance of video broadcast, recording and editing equipment. I also designed and built a microcomputer- based diagnostic system. 1978–1980 Research Engineer I, Georgia Tech Research Institute. Helped design a high-speed synthetic image generator to test optically guided missiles and countermeasures. (Jack) John Erwin Tumblin Page 3 of 5

Publications:

Reprints available electronically from www.graphics.cornell.edu/ jet/publications.html ∼

Refereed Journal Papers:

Tumblin, J., Hodgins, J. K., Guenter, B., “Two Methods for Display of High Contrast Images.”ACM Transac- tions on Graphics, Vol. 18, No. 1, pp. 56–94, January 1999. (Topic survey, layered illumination compression method, and interactive foveal display program method). The previous issue’s cover image is from our paper.

Hodgins, J. K., O’Brien, J. F., Tumblin, J., “Perception of Human Motion with Different Geometric Mod- els.”IEEE Transactions on Visualization and Computer Graphics, Vol. 4, No. 4, pp. 307–316, October– December 1998. (New experimental results and analysis of work first reported in Graphics Interface ‘97 paper below).

Guenter, B., Tumblin, J., “Quadrature Prefiltering for High Quality Antialiasing.” ACM Transactions on Graphics, Vol. 15, No. 4, pp. 332–353, October 1996. (Fast analytic antialiasing with arbitrary filter kernels).

Tumblin, J., Rushmeier, H. E., “Tone Reproduction for Computer Generated Images.” IEEE Computer Graphics and Applications, Vol. 13, No. 6, pp. 42–48, November 1993. Extended earlier versions available as GT-GVU Technical Reports #91-13 and #92-32. (Advocates perceptually valid display images, offers a framework for computing them). Ideas and images from this work are reproduced in several textbooks, including Cohen & Wallace’s Radiosity & Realistic Image Synthesis (1994), Sillion & Puech’s Radiosity & Global Illumination (1994), and Glassner’s Principles of Digital Image Synthesis (1995).

Refereed Conference Papers:

Pattanaik, S., Tumblin, J., Yee, H., Greenberg, D., “Time-Dependent Visual Adaptation for Fast, Realistic Image Display.” In SIGGRAPH 2000 Conference Proceedings, Annual Conference Series, pages 47–54. ACM SIGGRAPH, New Orleans, Louisiana, 23–28 July 2000. (Eye adjustments for high contrast movies).

Tumblin, J., Turk, G., “Low Curvature Image Simplifiers (LCIS): A Boundary Hierarchy for Detail-Preserving Contrast Reduction.” In SIGGRAPH ‘99 Conference Proceedings, Annual Conference Series, pages 83– 90. ACM SIGGRAPH, Los Angeles, California, 8–13 August 1999 (Anisotropic diffusion variant preserves shadow and highlight details in very high contrast imagery). Annual Proceedings frontispiece image was taken from this paper.

Hodgins, J. K., O’Brien, J. F., Tumblin, J. E., “Do Geometric Models Affect Judgments of Human Mo- tion?” The Proceedings of Graphics Interface ‘97, pages 17–25. Kelowna, B.C., Canada, May 21–23, 1997. (Psychophysical tests of motion discrimination in human figure rendering).

Tumblin, J., “Matching Pilot Perceptions of Real-World and Simulated Light Sources.” In Proceedings of the Flight Simulation Technologies Conference, pp. 117–130. American Institute of Aeronautics & Astronautics (AIAA), September 1988. Atlanta, GA. (Model of airport lighting perception). (Jack) John Erwin Tumblin Page 4 of 5

Miscellaneous: Tumblin, J., Hodgins, J. K., Guenter, B. K., “Display of High Contrast Images using Models of Visual Adaptation.” Technical sketch in Visual Proceedings of SIGGRAPH ‘97, page 154. ACM SIGGRAPH, Los Angeles, California, 3–8 August 1997.

Watkins, C., Sadun, A., Marenka, S., I contributed Chapter 7, “Advanced Geometric Transformations,” in book Modern Image Processing, pages 97–108, M&T Publishers, 1993. (An introductory text for computer hobbyists). Book cover image taken from this work.

Tumblin, J., Guenter, B., High Quality Image Warp Filters on Image Pyramids. Georgia Tech GVU Center Technical Report #93–04, 1993. (High detail, low-loss directional filtering for extreme image distortions), from sponsored research work for E-Systems Corporation.

Ribarsky, W. R.,Tumblin, J., Newton, G., Nowicki, R., Vetter, J., Glyphmaker: An Interactive, Programmer- less Approach for Customizing Visual Data Representations. Georgia Tech GVU Center Technical Report #93–26, 1993. (Object-oriented data-flow toolkit for data visualization).

Patents: U.S. Patent #4,807,158 “Method and Apparatus for Sampling Images to Simulate Movement within a Multi- dimensional Space.” Primary patent for IVEX VDS-1000 series visual systems for flight simulation, filed 1987, issued February 21, 1989.

U.S. Patent #4,873,585 “Method of Selectively Retrieving Video Images From a Video Reproducer for Simulating Movement.” Secondary patent for IVEX 3D fractal mountain flying video game, filed 1985, issued October 10, 1989.

U.S. Patent #4,752,836 “Method and Apparatus for Reproducing Video Images to Simulate Movement within a Multidimensional Space.” Primary patent for IVEX 3D fractal mountain flying video game, filed 1985, issued June 21, 1988.

U.S. Patent #4,924,498 and U.S. Patent #5,142,575 “A Method and Apparatus for Improving Video Scram- bling and Employing Split-Sync Pulses.” Scientific-Atlanta cable-TV scrambler/decoder method, filed 1988, issued May 8, 1990 and August 25, 1992 respectively.

U.S. Patent #4,321,853 “Automatic Ear Training Apparatus.” Microcomputer-based music theory training device, filed 1978, issued March 30, 1982. (Jack) John Erwin Tumblin Page 5 of 5

References: Letters available upon request.

Dr. Donald P. Greenberg Dr. Greg Turk (Post-Doc Supervisor) (Ph.D Advisor) Jacob Gould Schurman Professor Graphics, Visualization, and Usability Center of Computer Graphics College of Computing Director, Program of Computer Graphics Georgia Institute of Technology Cornell University 801 Atlantic Drive NW 580 Frank H. T. Rhodes Hall Atlanta, GA 30332–0280 Ithaca, NY 14853–3801 (404) 894–7508 (607) 255–4880 [email protected] [email protected]

Dr. Jessica K. Hodgins Dr. Holly Rushmeier (Ph.D Committee Member) (Ph.D Committee Member) Robotics Institute IBM T. J. Watson Research Center Carnegie Mellon University 30 Saw Mill River Road 5000 Forbes Avenue Hawthorne, NY 10532 Pittsburgh, PA 15213–3890 (914) 784–7252 (412) 268–6795 holly@watson..com [email protected]

Dr. Irfan A. Essa Keith A. Blanton (Ph.D Committee Member) Former Vice-President of Graphics, Visualization and Usability Center Engineering at IVEX Corp. College of Computing P. O. Box 767849 Georgia Institute of Technology Roswell, GA 30076 801 Atlantic Drive NE (770) 522–5248 Atlanta GA 30332–0280 [email protected] (404) 894–6856 [email protected]