I am a PhD Candidate in the Computational Robotics Research Group. My advisor is Prof. Ron Alterovitz, and I get invaluable advice from Prof. Jan Prins.


Department of Computer Science
University of North Carolina at Chapel Hill



  • Jeffrey Ichnowski, Jan F. Prins, Ron Alterovitz “Cloud-based Motion Plan Computation for Power-Constrained Robots,” Proc. Algorithmic Foundations of Robotics (WAFR), December 2016
  • Jeffrey Ichnowski, Ron Alterovitz, “Fast Nearest Neighbor Search in SE(3) for Sampling-Based Motion Planning,” Proc. Algorithmic Foundations of Robotics (WAFR), August 2014
  • Jeffrey Ichnowski, Ron Alterovitz, “Scalable Multi-core Motion Planning Using Lock-Free Concurrency,” IEEE Transactions on Robotics, 2014
  • Jeffrey Ichnowski, Jan F. Prins, and Ron Alterovitz, “Cache-Aware Asymptotically-Optimal Sampling-Based Motion Planning,” in Proc. IEEE International Conference on Robotics and Automation (ICRA), Jun. 2014, pp. 5804–5810
  • Jeffrey Ichnowski and Ron Alterovitz, “Parallel Sampling-Based Motion Planning with Superlinear Speedup,” in Proc. IEEE/RSJ International Conference on Intelligent Robotics and Systems (IROS), Oct. 2012, pp. 1206–1212. Publisher PDF

Culling Dynamics


  • Jeffrey Ichnowski, “Streaming insertion of tokens into content to protect against CSRF”, US Patent 8,438,649, filed Apr 16, 2010, and issued May 7, 2013
  • James Wei-Ching Kao, Mark Hill, Jeffrey Ichnowski, and David Tze-Si Wu, “Database forms with attached audit history”, US Patent 6,070,177, filed Mar 6, 1998, and issued May 30, 2000
  • David Tze-Si Wu and Jeffrey Ichnowski, “Scripting language for distributed database programming”, US Patent 6,243,711, filed Mar 6, 1998, and issued Jun 5, 2001