David Letscher

According to our database, David Letscher authored at least 30 papers between 1999 and 2022.

Collaborative distances:

• Dijkstra number of three.
• Erdős number of three.

2022

Topological Simplification of Nested Shapes.

Dan Zeng, Erin W. Chambers, David Letscher, Tao Ju

Comput. Graph. Forum, 2022

2020

To cut or to fill: a global optimization approach to topological simplification.

Dan Zeng, Erin W. Chambers, David Letscher, Tao Ju

ACM Trans. Graph., 2020

2018

Voxel cores: efficient, robust, and provably good approximation of 3D medial axes.

Yajie Yan, David Letscher, Tao Ju

ACM Trans. Graph., 2018

Tightening Curves on Surfaces via Local Moves.

Hsien-Chih Chang, Jeff Erickson, David Letscher, Arnaud de Mesmay, Saul Schleimer, Eric Sedgwick, Dylan Thurston, Stephan Tillmann

Proceedings of the Twenty-Ninth Annual ACM-SIAM Symposium on Discrete Algorithms, 2018

Some Heuristics for the Homological Simplification Problem.

Erin W. Chambers, Tao Ju, David Letscher, Mao Li, Christopher N. Topp, Yajie Yan

Proceedings of the 30th Canadian Conference on Computational Geometry, 2018

2016

Erosion thickness on medial axes of 3D shapes.

Yajie Yan, Kyle Sykes, Erin W. Chambers, David Letscher, Tao Ju

ACM Trans. Graph., 2016

On the Stability of Medial Axis of a Union of Balls in the Plane.

David Letscher, Kyle Sykes

Proceedings of the 28th Canadian Conference on Computational Geometry, 2016

2015

Burning the medial axis.

Yajie Yan, Tao Ju, David Letscher, Erin W. Chambers

Proceedings of the Special Interest Group on Computer Graphics and Interactive Techniques Conference, 2015

2014

Persistent Homology Over Directed Acyclic Graphs.

Erin Wolf Chambers, David Letscher

CoRR, 2014

2013

Medial Residues of Piecewise Linear Manifolds.

Erin W. Chambers, Tao Ju, David Letscher

Proceedings of the 25th Canadian Conference on Computational Geometry, 2013

2012

On persistent homotopy, knotted complexes and the Alexander module.

David Letscher

Proceedings of the Innovations in Theoretical Computer Science 2012, 2012

2011

Extended grassfire transform on medial axes of 2D shapes.

Lu Liu, Erin W. Chambers, David Letscher, Tao Ju

Comput. Aided Des., 2011

Isotopic Fréchet Distance.

Erin W. Chambers, David Letscher, Tao Ju, Lu Liu

Proceedings of the 23rd Annual Canadian Conference on Computational Geometry, 2011

2010

A simple and robust thinning algorithm on cell complexes.

Lu Liu, Erin W. Chambers, David Letscher, Tao Ju

Comput. Graph. Forum, 2010

2009

A graphics package for the first day and beyond.

Michael H. Goldwasser, David Letscher

Proceedings of the 40th SIGCSE Technical Symposium on Computer Science Education, 2009

On the Height of a Homotopy.

Erin W. Chambers, David Letscher

Proceedings of the 21st Annual Canadian Conference on Computational Geometry, 2009

2008

A python graphics package for the first day and beyond.

Michael H. Goldwasser, David Letscher

Proceedings of the 13th Annual SIGCSE Conference on Innovation and Technology in Computer Science Education, 2008

Teaching an object-oriented CS1 -: with Python.

Michael H. Goldwasser, David Letscher

Proceedings of the 13th Annual SIGCSE Conference on Innovation and Technology in Computer Science Education, 2008

2007

Optimal Strategies for Sports Betting Pools.

Bryan Clair, David Letscher

Oper. Res., 2007

Teaching strategies for reinforcing structural recursion with lists.

Michael H. Goldwasser, David Letscher

Proceedings of the Companion to the 22nd Annual ACM SIGPLAN Conference on Object-Oriented Programming, 2007

Detecting filtered cloning in digital images.

Brandon Dybala, Brian Jennings, David Letscher

Proceedings of the 9th workshop on Multimedia & Security, 2007

Teaching object-oriented programming in python.

Michael H. Goldwasser, David Letscher

Proceedings of the 12th Annual SIGCSE Conference on Innovation and Technology in Computer Science Education, 2007

Introducing network programming into a CS1 course.

Michael H. Goldwasser, David Letscher

Proceedings of the 12th Annual SIGCSE Conference on Innovation and Technology in Computer Science Education, 2007

Vector Weighted Anisotropic Voronoi Diagrams and Delaunay Traingulations.

David Letscher

Proceedings of the 19th Annual Canadian Conference on Computational Geometry, 2007

Reconstructing Submanifolds of Euclidean Space.

David Letscher

Proceedings of the 19th Annual Canadian Conference on Computational Geometry, 2007

Image Segmentation Using Topological Persistence.

David Letscher, Jason Fritts

Proceedings of the Computer Analysis of Images and Patterns, 12th International Conference, 2007

2005

Providing students universal access to a centralized, graphical computing environment.

Michael H. Goldwasser, David Letscher

Proceedings of the 10th Annual SIGCSE Conference on Innovation and Technology in Computer Science Education, 2005

2002

Topological Persistence and Simplification.

Herbert Edelsbrunner, David Letscher, Afra Zomorodian

Discret. Comput. Geom., 2002

2000

Delaunay triangulations and Voronoi diagrams for Riemannian manifolds.

Greg Leibon, David Letscher

Proceedings of the Sixteenth Annual Symposium on Computational Geometry, 2000

1999

Emerging Challenges in Computational Topology

Marshall W. Bern, David Eppstein, Pankaj K. Agarwal, Nina Amenta, L. Paul Chew, Tamal K. Dey, David P. Dobkin, Herbert Edelsbrunner, Cindy Grimm, Leonidas J. Guibas, John Harer, Joel Hass, Andrew Hicks, Carroll K. Johnson, Gilad Lerman, David Letscher, Paul E. Plassmann, Eric Sedgwick, Jack Snoeyink, Jeff Weeks, Chee-Keng Yap, Denis Zorin

CoRR, 1999