Dongryeol Lee

Ph.D. candidate in Computer Science

Research Assistant at FASTLab

Advisor: Professor Alexander Gray

Address: 266 Ferst Drive, Atlanta, GA 30332

Office: Klaus Advanced Computing Building, room #1305

Email: dongryel At cc-dot gatech DOT-edu

CV: (pdf) (txt)

Georgia Institute of Technology
Ph.D. in Computer Science (Fall 2005~).
M.S. in Mathematics (Spring 2011).

Carnegie Mellon University
B.S. in Computer Science (Spring 2005).
B.S. in Mathematical Sciences (Spring 2005).

Fast Kernel Summations
(open-source C++ code available here)
D. Lee, R. Vuduc, and A. G. Gray.
A Distributed Kernel Summation Framework for General-Dimension Machine Learning.
To appear in SIAM International Conference on Data Mining, 2012. (pdf)

W. B. March, A. Ozakin, D. Lee, R. Riegel, and A. G. Gray.
Multi-Tree Algorithms for Large-Scale Astrostatistics.
In Advances in Machine Learning and Data Mining for Astronomy, Chapman and Hall/CRC Press, 2012.

D. Lee, A. Ozakin, and A. G. Gray.
Multibody Multipole Methods. (arXiv)
Under submission to Journal of Computational Physics, 2011.

D. Lee, A. G. Gray, and A. W. Moore.
Dual-Tree Fast Gauss Transforms. (arXiv)
Under submission to SIAM Journal on Scientific Computing, 2011.

D. Lee, and A. G. Gray.
Fast High-dimensional Kernel Summations Using the Monte Carlo Multipole Method. (pdf)
In: Advances in Neural Information Processing Systems, 2008. Poster

D. Lee and A. G. Gray.
Faster Gaussian Summation: Theory and Experiment. (pdf) (ps) (djvu)
In: Proceedings of the Twenty-Second Conference on Uncertainty in Artificial Intelligence, 2006.
The datasets used for the paper (due to popular request)

D. Lee, A. G. Gray, and A. W. Moore
Dual-Tree Fast Gauss Transforms. (pdf) (ps) (djvu) (bibtex)
In: Advances in Neural Information Processing Systems, 2005. Poster

Fast Nearest Neighbor
P. Ram, D. Lee, and A. G. Gray.
Nearest-Neighbor Search on a Time Budget via Max-Margin Trees.
To appear in SIAM International Conference on Data Mining, 2012.

P. Ram, D. Lee, H. Ouyang, and A. G. Gray.
Rank-Approximate Nearest Neighbor Search: Retaining Meaning and Speed in High Dimensions. (pdf)
In: Advances in Neural Information Processing Systems, 2009.

Fast Non-parametric Clustering
P. Wang, D. Lee, A. G. Gray, and J. M. Rehg.
Fast Mean Shift with Accurate and Stable Convergence. (pdf) (ps) (djvu)
In: Proceedings of the Eleventh International Conference on Artificial Intelligence and Statistics, 2007. Poster

Run-time analysis of N-body methods
P. Ram, D. Lee, W. B. March, and A. G. Gray
Linear-time Algorithms for Pairwise Statistical Problems. (pdf)
In: Advances in Neural Information Processing Systems, 2009.

Fast Algorithms for Applications
K. Kim, D. Lee, and I. Essa.
Gaussian Process Regression Flow for Analysis of Motion Trajectories. (pdf) (main project page)
In: Proceedings of IEEE International Conference on Computer Vision, 2011.