James O'Brien

Associate Professor

Research Areas

• Graphics (GR)
• Human-Computer Interaction (HCI)
• Scientific Computing (SCI)
• Computer animation, physical simulation, surface modeling, human perception of motion, computational geometry, image processing, scientific computing

Research Centers

• Berkeley Center for New Media (BCNM)
• Center for Intelligent Systems (CIS)

Teaching Schedule (Fall 2009)

• CS 184. Foundations of Computer Graphics, M W 2:30-4:00P, 306 Soda
• CS 294-13. Advanced Computer Graphics, MW 1:00-2:30P, 310 Soda

Selected Publications

• R. Alterovitz, E. Lessard, J. Pouliot, I. J. Hsu, J. O'Brien, and K. Goldberg, "Optimization of HDR brachytherapy dose distributions using linear programming with penalty costs," Medical Physics, vol. 33, no. 11, pp. 4012-4019, Nov. 2006.
• A. W. Bargteil, T. G. Goktekin, J. O'Brien, and J. A. Strain, "A semi-Lagrangian contouring method for fluid simulation," ACM Trans. Graphics, vol. 25, no. 1, pp. 19-38, Jan. 2006.
• A. Bargteil, T. G. Goktekin, J. O'Brien, and J. Strain, "Semi-Lagrangian Contouring for Fluid Simulation," ACM Transactions on Graphics, vol. 25, pp. 19-38, Jan. 2006.
• O. Arikan, D. A. Forsyth, and J. O'Brien, "Fast and detailed approximate global illumination by irradiance decomposition," in Proc. 32nd ACM SIGGRAPH Intl. Conf. on Computer Graphics and Interactive Techniques (SIGGRAPH '05), J. Marks, Ed., New York, NY: The Association for Computing Machinery, Inc., 2005, pp. 1108-1114.
• B. E. Feldman, J. O'Brien, and B. M. Klingner, "Animating gases with hybrid meshes," in Proc. 32nd ACM SIGGRAPH Intl. Conf. on Computer Graphics and Interactive Techniques (SIGGRAPH '05), J. Marks, Ed., New York, NY: The Association for Computing Machinery, Inc., 2005, pp. 904-909.
• T. G. Goktekin, A. W. Bargteil, and J. O'Brien, "A method for animating viscoelastic fluids," in Proc. 31st ACM SIGGRAPH Annual Conf. on Computer Graphics and Interactive Techniques (SIGGRAPH '04), J. Marks, Ed., New York, NY: The Association for Computing Machinery, Inc., 2004, pp. 463-468.
• O. Arikan, D. A. Forsyth, and J. O'Brien, "Motion synthesis from annotations," in Proc. 30th ACM SIGGRAPH Intl. Conf. on Computer Graphics and Interactive Techniques (SIGGRAPH '03), New York, NY: The Association for Computing Machinery, Inc., 2003, pp. 402-408.
• G. Turk and J. O'Brien, "Modelling with implicit surfaces that interpolate," ACM Trans. Graphics, vol. 21, no. 4, pp. 855-873, Oct. 2002.
• J. O'Brien, A. W. Bargteil, and J. K. Hodgins, "Graphical modeling and animation of ductile fracture," in Proc. 29th ACM SIGGRAPH Intl. Conf. on Computer Graphics and Interactive Techniques (SIGGRAPH '02), New York, NY: The Association for Computing Machinery, Inc., 2002, pp. 291-294.
• J. O'Brien, P. R. Cook, and G. Essl, "Synthesizing sounds from physically based motion," in Proc.28th ACM SIGGRAPH Intl. Conf. on Computer Graphics and Interactive Techniques (SIGGRAPH '01), New York, NY: The Association for Computing Machinery, Inc., 2001, pp. 529-536.
• G. Turk and J. O'Brien, "Shape transformation using variational implicit functions," in Proc. 26th ACM SIGGRAPH Intl. Conf. on Computer Graphics and Interactive Techniques (SIGGRAPH '99), New York, NY: ACM Press/Addison-Wesley Publishing Co., 1999, pp. 335-342.
• J. O'Brien and J. K. Hodgins, "SIGGRAPH '99 Impact Paper Award: Graphical modeling and animation of brittle fracture," in Proc. 26th ACM SIGGRAPH Intl. Conf. on Computer Graphics and Interactive Techniques (SIGGRAPH '99), New York, NY: ACM Press/Addison-Wesley Publishing Co., 1999, pp. 137-146.