Samuel Gerber
Visiting Assistant Professor
Mathematics, Duke University


Visualization of Correlation

Software to interactively explore correlation in large data sets.

R package: gyroscope version 0.9

Principal Curve

Regularization Free Principal Curve Estimation

Software for the approach to eastimate principal curves and manifolds aas described in:

Samuel Gerber, Ross Whitaker "Regularization Free Principal Curve Estimation", Accepted JMLR 2012. [pdf]

Samuel Gerber, Tolga Tasdizen, Ross Whitaker "Dimensionality Reduction and Principal Surfaces via Kernel Map Manifolds", In Proceedings of the 2009 International Conference on Computer Vison (ICCV 2009). [pdf]

R package:

Morse-Smale Complex Visualization

Data Analysis with the Morse-Smale Complex

- Morse-Smale based function visualization.
- R package for Morse-Smale complex based visualization and regression.

Relevant papers:

Samuel Gerber, Peer-Timo Bremer, Valerio Pascucci, Ross Whitaker, "Visual Exploration of High Dimensional Scalar Functions", IEEE Transactions on Visualization and Computer Graphics to appear, Proceedings of VIS 2010 [pdf]

R package:

C++ Visualization Software for the VisWeek 2010 paper
Release 0.2: source | mac_i386_binaries
Comment: Preprocessing runs significantly faster [ O(n log(n) ) instead O(n^2 log(n)) ]

Release 0.1: source | linux_x86_64_binaries | mac_i386_binaries



Out of my thesis work at the University of Applied Sciences Northwestern Switzerland evolved a library for mesh and NURBS processing in Java. The library is open source and can be found here: jgeom. The library is not actively developed anymore and was removed from The project has migrated to sourceforge and the latest version is available here: jgeom. Part of the library was is incorporated into XJ3D and in toxiclib, which appears to be actively developed.

november 2012