Tamal Krishna Dey

Professor
Department of Computer Science and Engineering
The Ohio State University
2015 Neil Av.
Columbus, Ohio 43210
Phone: 614-292-3563
FAX: 614-292-2911
e-mail: tamaldey@cse.ohio-state.edu

A Book on Curve and Surface Reconstruction : Algorithms with Mathematical Analysis T. K. Dey Published by Cambridge University Press, October 2006 Preface and contents Two chapters

       

Education
Post Doctorate	U. of Illinois, U-C	1991-1992
PhD	Purdue University	1988-1991
M.E.	IISC, Bangalore	1985-1987
B.E.	Jadavpur University, Calcutta	1981-1985

Research
Personnel	Projects	Software
Current Lei Wang, PhD Oleksiy Busaryev, PhD Pawas Ranjan, PhD Andrew Slatton, PhD Past Ramsay Dyer, post-doc, currently at INRIA,France Hyuckje Woo, Post-doc, Prof. KINST, Korea Joachim Giesen, Post-doc, Prof. U. Jena, Germany Kuiyu Li, PhD, post-doc at Texas A&M Joshua Levine, PhD, post-doc at U. Utah Jian Sun, PhD, post-doc at Stanford, now at Princeton Tathagata Ray, PhD, post-doc at RPI Samrat Goswami, PhD, post-doc at UT-Austin Wulue Zhao, PhD James Hudson, PhD, Prof. at Swansee U. Naveen Leekha, Masters, NVIDA Luke Molnar, Masters	Computational Geometry and Topology in Geometric Modeling and Graphics Reconstruction Curve reconstruction Surface reconstruction  Boundary reconstruction Meshing  Polyhedra Smooth surface Remeshing Isosurface Piecewise smooth complexes Localized Delaunay refinement Homology features Handle and tunnel loops Shortest homology bassis Optimal homologous cycles Shape features Medial axis Curve skeletons Dimension detection Shape segmentation and matching Normal and feature approximation Simplification Computational and combinatorial geometry Computational topology (NSF report)	Reconstruction Cocone: Software for surface reconstruction based on paper. AMLS software for noisy point cloud smoothing based on paper.  Peel software for reconstructing surfaces with boundaries based on paper Meshing DelPSC: software for Delaunay meshing of surfaces, volumes, complexes based on paper, talk slides, [video] Qualmesh: Software for quality Delaunay meshing of polyhedra based on paper. SurfRemesh: software for Delaunay meshing of polygonal surfaces based on paper. DelIso: software for Delaunay meshing of isosurfaces LocDel software for generating large Delaunay meshes Homology Features HanTun software for computing handle and tunnel loops on surfaces based on paper [video] ShortLoop software for computing loops in a shortest homology basis based on paper. Shape features Medial: Software for 3D medial axis based on paper SegMatch: Software for shape segmentation and shape matching based on paper NormFet software for normal and feature size estimation from point cloud based on paper.  CurveSkel software for curve skeleton of 3D shapes based on paper. Gathan software for curve reconstruction based on paper. Nearest neighbor curve reconstruction Applet based on paper and a topology clean up.

Publications

For book chapters and papers visit  Publications

Teaching

Design and analysis of Algorithms (780) (Wi 11) Advanced Algorithms (790) (Spring 11) Geometric Modeling (784) (Sp10) Shape Modeling in graphics and visualization (Sp00) Subdivision surfaces (888) (Wi00) Formal Languages and Automata Theory (Wi '09) Sample Based Modeling for Graphics and Visualization (Au05)

Professional Activities
Program Committee Member	Invited Talks	Other Activities
Co-Chair, SoCG 2012 NASAGEM 07 ISAAC 06 Pacific Graphics 06 SPM 04 05 06 07 08 09 10 11 SMI 04 05 06   07 08 09 10 11 Point Graphics 04 05 06 07 08 3DPVT 04 , 08 SOCG 98 03 Solid Modeling 03 SODA 03 FSTTCS 95, 96, 97, 03  WALCOM 09 SGP 09,10, 11 ISVD 09 GMP 10 12 SoCG Video 10 TopoInfoVis 11 CAD graphics 2011	Computational geometry and topology meet geometric modeling, SIAM-GD 2011, [talk slides] Delaunay refinement and its localization for meshing, IMR 2011 [talk slides] Geometry and topology from point cloud data, WALCOM 2011 [talk slides] Computing homology cycles with certified geometry, Workshop on Geometric Computing, IIT Delhi, Nov. 2010[talk slides] Convergence, stability, and approximation of Laplace spectra, Discrete Differential Geometry workshop, U. Tennessee, May 10 Cut locus and topology from point data, BIRS workshop on data analysis, March 09 Lifting the curse of slivers from surface reconstruction (Video), BIRS workshop on Computational Mathematics on Discrete Surfaces, February 09 Computing handles and tunnels in 3D models, Colloquium, WUSTL, February 08 [talk slide] Geometric and topological approaches to data analysis , October, 2007 [talk slide]. GeoTopAl 2007 ISAAC 2006 Tessellations in the Sciences, Lorentz Center, Lieden Univ., March 2006  15th Fall workshop on Computational Geometry, 2005 Othmer Institute seminar, 2005 ALGO2002 ECG Final Workshop 03  DIMACS workshop on Surface Reconstruction DIMACS workshop on computer aided design and manufacturing Conference on Algebraic Topological Methods in Computer Science Department of Mathematics Stanford University July 30 - August 3, 2001 Colloquiam Department of Computer Science Univ. of Notre Dame September, 2004 Workshop on Algorithm Engineering as a New Paradigm Oct 30 - Nov 2, 2000 RIMS, Kyoto University, Kyoto, Japan Solid Modeling Technology and Applications, SME Detroit, MI Nov. 16-17,  2000	Editorial Board Discrete & Comput. Geom Journal of Comput. Geom. Graphical Models Guest Editor Special issue of IJFCS Executive Board Solid Modeling Association Steering Committee 11th Meshing Roundtable 2002 Advisory Committee International Symposium on Voronoi Diagrams in Science and Engineering Organizer Mini-symposium on "Geometric modeling with point samples", SIAM Geometric Design, 2003. Mini-Symposium on  "Delaunay Meshing of Surfaces and Volumes", SIAM Geometric Design, 2005.  DIMACS Surface Reconstruction Implementation Challenge, 2003. Results. Tutorials Summer school on Delaunay Mesh Generation, 2009, RWTH, Aachen, Germany 7th Max-Planck Advanced Course on Foundations of Computer Science, ADFOCS06, August 2006 Summer school on computational geometry Fu-Berlin, October, 2003 Surface and Volume meshing, CAD/Graphics 2005, Hong-Kong Reconstruction and feature extraction from point cloud data with mathematical reasoning, SIAM conference on Geometric Design, Phoenix, 2005.