SIGGRAPH Papers

N. Chentanez, R. Alterovitz, D. Ritchie, L. Cho, K. K. Hauser, K. Goldberg, J. R. Shewchuk, and J. F. O'Brien, “Interactive Simulation of Surgical Needle Insertion and Steering,” in Proceedings of ACM SIGGRAPH 2009, Annual Conference Series, (New Orleans, Louisiana), Aug. 2009. To appear.
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B. M. Klingner, B. A. Feldman, N. Chentanez, and J. F. O'Brien, “Fluid Animation with Dynamic Meshes,” in Proceedings of ACM SIGGRAPH 2006, Annual Conference Series, (Boston, Massachusetts), pp. 820-825, July 2006.
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B. E. Feldman, J. F. O'Brien, and B. M. Klingner, “Animating Gases with Hybrid Meshes,” in Proceedings of SIGGRAPH 2005, Annual Conference Series, (Los Angeles, California), pp. 904-909, July 2005.
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O. Arikan, D. A. Forsyth, and J. F. O'Brien, “Fast and Detailed Approximate Global Illumination by Irradiance Decomposition,” in Proceedings of SIGGRAPH 2005, Annual Conference Series, (Los Angeles, California), pp. 1108-1114, July 2005.
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C. Shen, J. F. O'Brien, and J. R. Shewchuk, “Interpolating and Approximating Implicit Surfaces from Polygon Soup,” in Proceedings of SIGGRAPH 2004, Annual Conference Series, (Los Angeles, California), pp. 896-904, Aug. 2004.
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T. Goktekin, A. W. Bargteil, and J. F. O'Brien, “A Method for Animating Viscoelastic Fluids,” in Proceedings of SIGGRAPH 2004, Annual Conference Series, (Los Angeles, California), pp. 463-468, Aug. 2004.
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B. E. Feldman, J. F. O'Brien, and O. Arikan, “Animating Suspended Particle Explosions,” in Proceedings of SIGGRAPH 2003, Annual Conference Series, (San Diego, California), pp. 708-715, July 2003.
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O. Arikan, D. A. Forsyth, and J. F. O'Brien, “Motion Synthesis from Annotations,” in Proceedings of SIGGRAPH 2003, Annual Conference Series, (San Diego, California), pp. 402-408, July 2003.
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J. F. O'Brien, A. W. Bargteil, and J. K. Hodgins, “Graphical Modeling and Animation of Ductile Fracture,” in Proceedings of SIGGRAPH 2002, Annual Conference Series, (San Antonio, Texas), pp. 291-294, July 2002.
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J. F. O'Brien, P. R. Cook, and G. Essl, “Synthesizing Sounds from Physically Based Motion,” in Proceedings of SIGGRAPH 2001, Annual Conference Series, (Los Angeles, California), pp. 529-536, Aug. 2001.
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G. D. Yngve, J. F. O'Brien, and J. K. Hodgins, “Animating Explosions,” in Proceedings of SIGGRAPH 2000, Annual Conference Series, (New Orleans, Louisiana), pp. 29-36, July 2000.
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J. F. O'Brien and J. K. Hodgins, “Graphical Modeling and Animation of Brittle Fracture,” in Proceedings of SIGGRAPH 99, Annual Conference Series, (Los Angeles, California), pp. 137-146, Aug. 1999. Received the SIGGRAPH 99 Impact Paper Award.
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G. Turk and J. F. O'Brien, “Shape Transformation Using Variational Implicit Functions,” in Proceedings of SIGGRAPH 99, Annual Conference Series, (Los Angeles, California), pp. 335-342, Aug. 1999.
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J. K. Hodgins, W. L. Wooten, D. C. Brogan, and J. F. O'Brien, “Animating Human Athletics,” in Proceedings of SIGGRAPH 95, Annual Conference Series, (Los Angeles, California), pp. 71-78, Aug. 1995.
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Journal Papers

H. N. Iben and J. F. O'Brien, “Generating Surface Crack Patterns,” Graphical Models, 2009. In press.

H. N. Iben, J. F. O'Brien, and E. D. Demaine, “Refolding Planar Polygons,” Discrete and Computational Geometry, vol. 41, no. 3, pp. 444-460, 2009.
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J. H. Cantarella, E. D. Demaine, H. N. Iben, and J. F. O'Brien, “An Energy-Driven Approach to Linkage Unfolding,” Discrete and Computational Geometry. Accepted pending minor revision.

R. Alterovitz, E. Lessard, J. Pouliot, I.-C. J. Hsu, J. F. O'Brien, and K. Goldberg, “Optimization of HDR Brachytherapy Dose Distributions using Linear Programming with Penalty Costs,” Journal of Medical Physics, vol. 33, pp. 4012-4019, Nov. 2006.
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A. W. Bargteil, T. Goktekin, J. F. O'Brien, and J. A. Strain, “Semi-Lagrangian Contouring for Fluid Simulation,” ACM Transactions on Graphics, vol. 25, pp. 19-38, Jan. 2006.
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G. Turk and J. F. O'Brien, “Modelling with Implicit Surfaces that Interpolate,” ACM Transactions on Graphics, vol. 21, pp. 855-873, Oct. 2002.
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J. F. O'Brien and J. K. Hodgins, “Animating Fracture,” Communications of the ACM, vol. 43, pp. 68-75, July 2000.
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J. F. O'Brien, V. B. Zordan, and J. K. Hodgins, “Combining Active and Passive Simulations for Secondary Motion,” IEEE Computer Graphics & Applications, vol. 20, July/August 2000.
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R. Sumner, J. F. O'Brien, and J. K. Hodgins, “Animating Sand, Mud, and Snow,” Computer Graphics Forum, vol. 18, pp. 17-26, Mar. 1999.
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J. K. Hodgins, J. F. O'Brien, and J. Tumblin, “Perception of Human Motion With Different Geometric Models,” IEEE Transactions on Visualization and Computer Graphics, vol. 4, pp. 307-316, October/December 1998.
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S. A. Cover, N. F. Ezquerra, and J. F. O'Brien, “Interactively Deformable Models for Surgery Simulation,” IEEE Computer Graphics & Applications, vol. 13, pp. 68-75, Nov. 1993.
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Conference Papers

5. E.G. Parker and J. F. O'Brien, “Real-Time Deformation and Fracture in a Game Environment,” in Proceedings of the ACM SIGGRAPH/Eurographics Symposium on Computer Animation, pp. 156-166, Aug. 2009. Received award for Best Paper.
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6. F.N. Chentenez, B. E. Feldman, J. F. O'Brien, and J. R. Shewchuk, “Liquid Simulation on Lattice-Based Tetrahedral Meshes,” in Proceedings of ACM SIGGRAPH 2007 Symposium on Computer Animation, (San Diego), pp. 219-228, Aug. 2007.
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A. M. Eden, A. W. Bargteil, T. G. Goktekin, S. B. Eisinger, and J. F. O'Brien, “A Method for Cartoon-Style Rendering of Liquid Animations,” in Proceedings of Graphics Interface 2007, (Montreal, Canada), pp. 51-55, May 2007.
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N. Chentenez, T. G. Goktekin, B. E. Feldman, and J. F. O'Brien, “Simultaneous Coupling of Fluids and Deformable Bodies,” in Proceedings of ACM SIGGRAPH 2006 Symposium on Computer Animation, (Vienna, Austria), pp. 85-89, Sept. 2006.
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H. N. Iben and J. F. O'Brien, “Generating Surface Crack Patterns,” in Proceedings of ACM SIGGRAPH 2006 Symposium on Computer Animation, (Vienna, Austria), pp. 177-185, Sept. 2006. Received Honorable Mention for Best Paper.
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A. W. Bargteil, F. Sin, J. E. Michaels, T. G. Goktekin, and J. F. O'Brien, “A Texture Synthesis Method for Liquid Animations,” in Proceedings of ACM SIGGRAPH 2006 Symposium on Computer Animation, (Vienna, Austria), pp. 345-351, Sept. 2006.
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H. N. Iben, J. F. O'Brien, and E. D. Demaine, “Refolding Planar Polygons,” in Proceedings of the 2006 Symposium on Computational Geometry, (Sedona, Arizona), pp. 71-79, June 2006.
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B. E. Feldman, J. F. O'Brien, and B. M. Klingner, “Fluids in Deforming Meshes,” in Proceedings of ACM SIGGRAPH 2005 Symposium on Computer Animation, (Los Angeles, California), pp. 255-259, July 2005.
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O. Arikan, D. A. Forsyth, and J. F. O'Brien, “Pushing People Around,” in Proceedings of ACM SIGGRAPH 2005 Symposium on Computer Animation, (Los Angeles, California), pp. 56-66, July 2005.
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A. G. Kirk, J. F. O'Brien, and D. A. Forsyth, “Skeletal Parameter Estimation from Optical Motion Capture Data,” in Proceedings of the IEEE Conf. on Computer Vision and Pattern Recognition (CVPR) 2005, (San Deigo, California), pp. 782-788, June 2005.
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R. Kolluri, J. R. Shewchuk, and J. F. O'Brien, “Spectral Surface Reconstruction From Noisy Point Clouds,” in Proceedings of the 2004 Symposium on Geometry Processing, (Nice, France), pp. 12-21, July 2004.
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J. H. Cantarella, E. D. Demaine, H. N. Iben, and J. F. O'Brien, “An Energy-Driven Approach to Linkage Unfolding,” in Proceedings of the 2004 Symposium on Computational Geometry, (Brooklyn, New York), pp. 134 - 143, June 2004.
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K. K. Hauser, C. Shen, and J. F. O'Brien, “Interactive Deformation Using Modal Analysis with Constraints,” in Proceedings of Graphics Interface 2003, (Halifax, Nova Scotia, Canada), pp. 247-256, Canadian Human-Computer Communications Society, June 2003.
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J. F. O'Brien, C. Shen, and C. M. Gatchalian, “Synthesizing Sounds from Rigid-Body Simulations,” in Proceedings of ACM SIGGRAPH 2002 Symposium on Computer Animation, (San Antonio, Texas), pp. 175-181, July 2002.
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G. Turk, H. Q. Dinh, J. F. O'Brien, and G. Yngve, “Implicit Surfaces that Interpolate,” in Proceedings Shape Modeling International 2001, (Genova, Italy), pp. 62-71, May 2001.

J. F. O'Brien, R. E. Bodenheimer, G. D. Brostow, and J. K. Hodgins, “Automatic Joint Parameter Estimation from Magnetic Motion Capture Data,” in Proceedings of Graphics Interface 2000, (Montreal, Quebec, Canada), pp. 53-60, Canadian Human-Computer Communications Society, May 2000.
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R. W. Sumner, J. F. O'Brien, and J. K. Hodgins, “Animating Sand, Mud, and Snow,” in Proceedings of Graphics Interface 98, (Vancouver, British Columbia, Canada), pp. 125-132, Canadian Human-Computer Communications Society, June 1998.
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J. K. Hodgins, J. F. O'Brien, and J. Tumblin, “Do Geometric Models Affect Judgments of Human Motion?,” in Proceedings of Graphics Interface 97, (Kelowna, British Columbia, Canada), pp. 17-25, Canadian Human-Computer Communications Society, May 1997.
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J. F. O'Brien and J. K. Hodgins, “Dynamic Simulation of Splashing Fluids,” in Proceedings of Computer Animation 95, (Geneva Switzerland), pp. 198-205, Apr. 1995.
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J. F. O'Brien and N. F. Ezquerra, “The Automated Segmentation of Coronary Vessels in Angiographic Image Sequences,” in Proceedings of Visualization in Biomedical Computing 94, (Rochester, Minnesota), pp. 25-38, Oct. 1994.

Short Papers

N. Chentanez, T. G. Gokteken, B. E. Feldman, and J. F. O'Brien, “Simultaneous Coupling of Fluids and Deformable Bodies,” in Proceedings of SIGGRAPH 2006, Annual Conference Series, Technical Sketch, (Boston, Massachusetts), July 2006.
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A. W. Bargteil, F. Sin, J. Michaels, and J. F. O'Brien, “A Texture Synthesis Method for Liquid Animations,” in Proceedings of SIGGRAPH 2006, Annual Conference Series, Technical Sketch, (Boston, Massachusetts), July 2006.
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A. W. Bargteil, T. Goktekin, J. F. O'Brien, and J. A. Strain, “Semi-Lagrangian Contouring for Fluid Simulation,” in Proceedings of SIGGRAPH 2005, Annual Conference Series, Technical Sketch, (Los Angeles, California), July 2005.
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O. Arikan, D. A. Forsyth, and J. F. O'Brien, “Radiance Caching and Local Geometry Correction,” in Proceedings of SIGGRAPH 2004, Annual Conference Series, Technical Sketch, (Los Angeles, California), Aug. 2004.
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A. Kirk, J. F.O'Brien, and D. A. Forsyth, “Skeletal Parameter Estimation From Optical Motion Capture Data,” in Proceedings of SIGGRAPH 2004, Annual Conference Series, Technical Sketch, (Los Angeles, California), Aug. 2004.
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H. N. Iben, J. F. O'Brien, and E. D. Demaine, “Refolding Planar Polygons,” in Proceedings of SIGGRAPH 2004, Annual Conference Series, Technical Sketch, (Los Angeles, California), Aug. 2004.
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R. Kolluri, J. R. Shewchuk, and J. F. O'Brien, “Spectral Watertight Surface Reconstruction,” in Proceedings of SIGGRAPH 2003, Annual Conference Series, Technical Sketch, (San Diego, California), July 2003.
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J. H. Cantarella, E. D. Demaine, H. N. Iben, and J. F. O'Brien, “An Energy-Driven Approach to Linkage Unfolding,” in DIMACS 2002 Workshop on Computational Geometry, Nov. 2002.
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C. Shen, K. K. Hauser, C. M. Gatchalian, and J. F. O'Brien, “Modal Analysis for Real-Time Viscoelastic Deformation,” in Proceedings of SIGGRAPH 2002, Annual Conference Series, Technical Sketch, (San Antonio, Texas), July 2002.
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B. E. Feldman and J. F. O'Brien, “Modeling the Accumulation of Wind-Driven Snow,” in Proceedings of SIGGRAPH 2002, Annual Conference Series, Technical Sketch, (San Antonio, Texas), July 2002.
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C. Shen, H.-Y. Shum, and J. F. O'Brien, “Image Based Rendering and Illumination,” in Proceedings of SIGGRAPH 2001, Annual Conference Series, Technical Sketch, (Los Angeles, California), Aug. 2001.
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J. F. O'Brien, J. K. Hodgins, and V. B. Zordan, “Combining Active and Passive Simulations for Secondary Motion,” in Proceedings of SIGGRAPH 97, Annual Conference Series, Technical Sketch, (Los Angeles, California), Aug. 1997.
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J. F. O'Brien, W. L. Wooten, and J. K. Hodgins, “Dynamic Simulation of Human Diving and Splashing Fluids,” in Proceedings of SIGGRAPH 94, Annual Conference Series, Technical Sketch, (Orlando, Florida), July 1994.
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Books

D. A. Forsyth, O. Arikan, L. Ikemoto, J. F. O'Brien, and D. Ramanan, Computational Studies of Human Motion. Foundations and Trends in Computer Graphics and Vision, Hanover, Massachusetts: Now Publishers Inc., 2006.

Book-Chapters

J. K. Hodgins et al., “Creating Realistic Motion,” in Motion Picture Theory: Ecological Considerations (J. D. Anderson and B. F. Anderson, eds.), pp. 52-60, Southern Illinois University Press, 2005.

J. F. O'Brien, “Modal Analysis for Fast, Stable Deformation,” in Game Programming Gems 4 (A. Kirmse, ed.), pp. 287-298, Hingham, MA: Charles River Media, 2004.

J. K. Hodgins and J. F. O'Brien, “Computer Animation,” in The Encyclopedia of Computer Science (A. Ralston, E. Reilly, and D. Hemmendinger, eds.), pp. 301-304, London: Nature Publishing Group, fourth ed., 2000.
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J. K. Hodgins, J. F. O'Brien, and R. E. Bodenheimer, “Computer Animaiton,” in The Wiley Encyclopedia of Electrical and Electronics Engineering (J. G. Webster, ed.), vol. 3, pp. 686-690, New York: John Wiley and Sons, 1999.
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Animations/Videos

“Liquid Simulation on Lattice-Based Tetrahedral Meshes.” Animated short film. Shown in the SIGGRAPH 2007 Animation Theater.
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“Fluid Animation with Dynamic Meshes.” Animated short film. Shown in the SIGGRAPH 2006 Animation Theater.
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“Semi-Lagrangian Contouring for Fluid Simulation.” Animated short film. Shown in the SIGGRAPH 2005 Electronic Theater.
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“Gratuitous Goop.” Animated short film. Shown in the SIGGRAPH 2004 Electronic Theater.
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“Graphical Modeling and Animation of Ductile Fracture.” Animated short film. Shown in the SIGGRAPH 2002 Electronic Theater.
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“Synthesizing Sounds from Physically Based Motion.” Animated short film. Shown in the SIGGRAPH 2001 Animation Theater.
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“Breaking Objects.” Animated short film. Shown in the SIGGRAPH 99 Electronic Theater and Imagina 2000.
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“Atlanta in Motion.” Animated short film. Shown in the SIGGRAPH 96 Electronic Theater and the SIGGRAPH 95 Animation Theater.

Short Courses

J. F. O'Brien, “Implicit Surfaces,” in Modern Techniques for Implicit Modeling (J. O'Brien and T. Yoo, eds.), ACM SIGGRAPH 2005 Course notes, ACM SIGGRAPH, 2005.

J. F. O'Brien, “Sound Synthesis,” in Physics-Based Sound Synthesis for Graphics and Interactive Systems (P. Cook, ed.), ACM SIGGRAPH 2003 Course notes, ACM SIGGRAPH, 2003.

J. F. O'Brien, “Shape Interpolation,” in Beyond Blobs: Recent Advances in Implicit Surfaces (G. Turk and T. S. Yoo, eds.), vol. 29 of ACM SIGGRAPH 2002 Course notes, ACM SIGGRAPH, 2002.

J. F. O'Brien and J. K. Hodgins, “Secondary Motion,” in Dynamic Behaviors for Real-Time Synthetic Humans (N. Badler, J. Hodgins, and D. Metaxas, eds.), vol. 11 of ACM SIGGRAPH 95 Course notes, ACM SIGGRAPH, 1995.

Thesis

J. F. O'Brien, Graphical Modeling and Animation of Brittle Fracture. PhD thesis, Georgia Institute of Technology, Atlanta, Georgia, Aug. 2000.
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