Department Chair, 2002-2010
PhD, Cornell, 1989
BS, Cornell, 1982
Co-founder, Tutor Universe, Inc., 2011 (now GotIt!)
Co-founder, CTO, Digital Artefacts, LLC, 2000-2009 Research interests: sensor-based and mobile apps for healthcare, virtual environments, simulation, integration of numeric
and symbolic computing, geometric modeling, problem solving environments.
"Exploring Virtual History at The National Museum of American History,"
J. Severson, J. Cremer, K. Lee, D. Allison, S. Gelo, J. Edwards, R. Vanderleest, S. Heston,
J. Kearney, G. Thomas. Proceedings of the 8th Intl. Conf.
on Virtual Systems and Multimedia (VSMM2002), Gyeong-ju, Korea. September 25-27, 2002. p. 61-70.
Real-time Extendible-resolution Display of On-line Dynamic Terrain.
Y. He, J. Cremer, and Y. Papelis, to appear in Proceedings of Graphics Interface 2002, May 27-29, Calgary, Alberta.
Refiner: A Problem Solving Environment for
Scientific Simulator Creation.
K. Hunt and J. Cremer. to appeaer in Transactions of the Society for Computer Simulation.
"This Old Digital City" One Year Later: Experience
Gained, Lessons Learned, and Future Plans. J. Cremer, J. Severson,
S. Gelo, J. Kearney, M. McDermott. Proceedings of the 7th Intl. Conf.
on Virtual Systems and Multimedia (VSMM2001), Berkeley, California,
October 25-27, 2001. p. 49-56.
This Old Digital City": Virtual Historical Cedar Rapids, Iowa
circa 1900 J. Cremer, J. Severson, J. Kearney, S. Gelo,
M. McDermott, and R. Riccio. Proceedings of
the 6th Intl. Conf. on Virtual Systems and Multimedia (VSMM2000),
Special session on Virtual Heritage. Softopia, Ogaki, Gifu, Japan.
October 2000. Pages 27-34.
Dynamic Terrain for Real-time Ground Vehicle Simulation.
J. Cremer, Y. He, Y. Papelis. Proceedings of The 2000 Image Conference,
Scottsdale, AZ, July 2000.
Geometric Awareness for Interactive Object Manipulation
M. Choi, J. Cremer. Computer Graphics Forum, 19(1), p. 65-76, 2000
Interactive Manipulation of Articulated Objects with
Geometry Awareness. M. Choi, J. Cremer. Proceedings of the 1999 IEEE
International Conference on Robotics and Automation, Detroit, MI, May 10-15, 1999.
Virtual Proving Ground Simulation for
Vehicle Design. E. Haug, J. Cremer, Y. Papelis, R. Ranganathan,
D. Solis. Proceedings (CD-ROM) of the 1998 ASME Design Automation Conference,
Atlanta, September 13-16, 1998.
Generation of Ambient Traffic for Real-time Driving Simulation.
E. Bonakdarian, J. Cremer, J. Kearney, and P. Willemsen,
Proceedings of 1998 Image Conference, Scottsdale, AZ, August 2-7, 1998.
Embedding Scenarios in Ambient Traffic.
O. Alloyer, E. Bonakdarian, J. Cremer, J. Kearney, and P. Willemsen,
Proceedings of DSC 97 (Driving Simulation Conference), p. 75--84,
Lyon, France, September, 1997.
Directable Behavior Models for Virtual Driving Scenarios.
J. Cremer, J.K. Kearney, and P. Willemsen,
Transactions of the Society for Computer Simulation,
special issue on Multiagent Systems, 14(2), 1997.
Creating Scientific Software. J. Cremer, R. Palmer, and R. Zippel,
Transactions of the Society for Computer Simulation, 14(1), p. 17--49, 1997.
Driving Simulation: Challenges for VR Technology
J. Cremer, J. Kearney, Y. Papelis VR Blackboard column (ed. L. Rosenblum) in IEEE Computer Graphics and Applications, p. 16-20, September 1996.
VRLOCO: Real-time Human Locomotion from Positional Input Streams
H. Ko and J. Cremer PRESENCE: Teleoperations and
Virtual Environments, 5(4), p. 1-15, 1996.
Formulating 3D Contact Dynamics Problems
M. Anitescu, J. Cremer, and F. Potra, Mechanics of
Structures and Machines, 24(4), p. 405-437, November 1996
HCSM: A Framework for Behavior and Scenario Control in Virtual Environments.
J. Cremer, J. Kearney, and Y. Papelis. ACM Transactions
of Modeling and Computer Simulation, 5(3), p. 242--267, July, 1995.
Motion Control through Communicating, Hierarchical State Machines
S. Hansen, J. Kearney, and J. Cremer. Proceedings of Fifth Eurographics Animation and Simulation
Workshop, Oslo, Sept. 1994.
The Software Architecture for Scenario Control in the Iowa Driving Simulator.
J. Cremer and J. Kearney and Y. Papelis and R. Romano. Proc. 4th Computer Generated Forces and Behavioral Representation Conference, Orlando, FL, May 4-6, 1994.
Scenario Control for Real-time Driving Simulation
M. Booth and J. Cremer and J. Kearney. Proceedings of Fourth Eurographics Animation and Simulation
Workshop, Barcelona, Sept. 1993, 103-120.
Experiment Authoring for Virtual Driving Environments.
M. Bartelme and M. Booth and J. Cremer and D. Evans and J. Kearney and R. Romano.
Proceedings of the First Eurographics Workshop on Virtual Environments,
, Barcelona, Sept. 1993, 1-15.
Programming Mechanical Simulations.
J. Kearney and S. Hansen and J. Cremer
in The Journal of Visualization and Computer Animation,
Volume 4, Number 2, April-June 1993, pages 113--129.
Generating Spectral Methods for Partial Differential Equations.
G. Berkooz and P. Chew and R. Palmer and R. Zipel.
Cornell Computer Science Department Technical Report, TR92--1308,
this work is also in the proceedings of the Workshop on Intelligent Scientific
Computation, part of the AAAI Fall Symposium Series, October 1992, Boston, MA
An architecture of general-purpose physical system
simulation --- integrating geometry, dynamics and control.
Ph.D. Thesis, TR 89-987,
Department of Computer Science, Cornell Univeristy, April 1989.
The architecture of Newton, a general-purpose dynamics simulator.
J. Cremer and A. J. Stewart
IEEE International Conference on Robotics and Automation,
1806-1811, 1989.
Virtual historical environments This Old Digital City.
Officially called Timequest, the project created a real-time immersive
virtual historical environment in which visitors to Cedar Rapids'
History Center can explore the city as it was 100 years ago.
An variant of the exhibit was on display at the Smithsonian's National
Museum of American History in summer 2002.
Iowa Driving Simulator (no longer operational, as of 1/00) scenario control and
experiment authoring for real-time operator-in-the-loop virtual environments.
Work in cooperation with Iowa's Center for Computer Aided Design.
Programming environments for development of physical systems simulators. Originally had close ties to larger-scope SimLab project
at Cornell University: SimLab project at Cornell.