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Tamal Dey

  • Professor, Mathematics
  • Professor, Computer Science & Engineering
  • 483 Dreese Laboratories
    2015 Neil Ave
    Columbus, OH 43210
  • 614-292-3563

Honors

  • 20100101

    Lumley Research Award.

Books

2012

2007

  • Dey, TK. 2007. "Curve and Surface Reconstruction: Algorithms with Mathematical Analysis." Cambridge University Press.

Chapters

2014

2009

  • 2009. "Delaunay mesh generation of three dimensional domains." In Tessellations in the sciences: Virtues, techniques and applications of geometric tilings, edited by R. van de Weygaert, G. Vegter, J. Ritzerveld, and V. Icke,

Journal Articles

2015

  • Dey, TK; Fan, F; Wang, Y., 2015, "Graph induced complex on point data." Computational Geometry: Theory & Applications doi:10.1016/j.comgeo.2015.04.003, doi:10.1016/j.comgeo.2015.04.003 - doi:10.1016/j.comgeo.2015.04.003.

2014

  • Dey, TK; Fu, B; Wang, H; Wang, L, 2014, "Automatic posing of a meshed human model using point clouds." Computers & Graphics 46, 14-24 - 14-24.

2013

  • Dey, TK; Wang, Y, 2013, "Reeb Graphs: Approximation and persistence." Discrete & Computational Geometry 49, 46-73 - 46-73.

2012

  • Dey,T,K; Ge,X; Que,Q; Safa,I; Wang,L; Wang,Y, 2012, "Feature-Preserving Reconstruction of Singular Surfaces." COMPUTER GRAPHICS FORUM 31, no. 5, 1787-1796 - 1787-1796.

2011

  • T. K. Dey, A. Hirani, and B. Krishnamoorthy, 2011, "Optimal homologous cycles, total unimodularity, and linear programming." SIAM Journal Computing
  • Dey, Tamal, Sun, Jian, Wang, Yusu, 2011, "Approximating cycles in a shortest basis of the first homology group from point data." Inverse Problems 27, no. 12, 124004 - 124004.
  • Dey,Tamal,K; Sun,Jian; Wang,Yusu, 2011, "Approximating cycles in a shortest basis of the first homology group from point data." INVERSE PROBLEMS 27, no. 12, 124004 - 124004.
  • T. K. Dey, K. Li, C. Luo, P. Ranjan, I. Safa, and Y. Wang, 2011, "Persistent heat signature for pose-oblivious matching of incomplete models." Computer Graphics Forum 29, no. 5, 1545-1554 - 1545-1554.

2010

  • T. K. Dey, J. A. Levine, and A. G. Slatton, 2010, "Localized Delaunay refinement for sampling and meshing." Computer Graphics Forum 29, no. 5, 1723-1732 - 1723-1732.
  • Dey,T,K; Levine,J,A; Slatton,A, 2010, "Localized Delaunay Refinement for Sampling and Meshing." COMPUTER GRAPHICS FORUM 29, no. 5, 1723-1732 - 1723-1732.
  • O. Busaryev, T. K. Dey, and Y. Wang, 2010, "Tracking a generator by persistence." Discrete Mathematics, Algorithms and Applications 2, no. 4, 539-552 - 539-552.
  • T. K. Dey, G. Li, and T. Ray, 2010, "Polygonal surface remeshing with Delaunay refinement." Engineering with Computers 26, no. 3, 289-301 - 289-301.

2009

  • T. K. Dey, K. Li, E. Ramos, and R. Wenger, 2009, "Isotopic reconstruction of surfaces with boundaries." Computer Graphics Forum 28, 1371-1382 - 1371-1382.

2006

  • Dey,Tamal,K; Goswami,Samrat, 2006, "Provable surface reconstruction from noisy samples." COMPUTATIONAL GEOMETRY-THEORY AND APPLICATIONS 35, no. 1-2, 124-141 - 124-141.

1998

  • Dey, T, K; Edelsbrunner, H; Guha, S, 1998, "Computational Topology." Contemporary Mathematics 223, 109-144 - 109-144.

1994

  • Dey,T,K; Edelsbrunner,H, 1994, "COUNTING TRIANGLE CROSSINGS AND HALVING PLANES." DISCRETE & COMPUTATIONAL GEOMETRY 12, no. 3, 281-289 - 281-289.

Unknown

  • Buchet, M; Chazal, F; Dey, TK; Fan, F; Oudot, S; Wang, Y., "Topological analysis of scalar fields with outliers." CORR (to appear in SOCG 2015)
  • Dey, TK; Shi, D; Wang, Y., Comparing Graphs via Persistence Distortion. CORR (to appear in SOCG 2015)

Presentations

  • "Invited speaker: Convergence, stability, and discrete approximation of Laplace spectra." 2010, Presented at 2010 Barett memorial lectures on Discrete Differential Geometry, U. of Tennessee,
  • "Delaunay mesh generation of surfaces and volumes." 2010, Presented at Isogeometry analysis at 16th US National Congress on Theoretical and Applied Mechanics,
  • "Delaunay mesh generation of surfaces and volumes." 2009, Presented at Tutorial at U. of Aachen, Germany,
  • "Invited speaker: Isotopic surface reconstruction in presence of boundaries." 2009, Presented at Mini-symposium on Topologically Robust Computation for Geometric Modeling,

Papers in Proceedings

2015

  • Dey, TK; Shi, D; Wang, Y. "Comparing graphs via persistence distortion." (6 2015).

2014

  • Dey, TK; Fan, F; Wang, Y. "Computing topological persistence for simplicial maps." in 30th Annu. Sympos. Comput. Geom. (2014).. (6 2014).
  • Dey, TK; Fan, F; Wang, Y. "Dimension Detection with Local Homology." (9 2014).

2013

  • Dey, TK; Fan, F; Wang, Y; "An efficient computation of handle and tunnel loops via Reeb graphs." in SIGGRAPH 2013. (7 2013).
  • Dey, TK; Ranjan, P; Wang, Y "Weighted Graph Laplace Operator under Topological Noise." in ACM-SIAM Symposium on Discrete Algorithms (SODA). (1 2013).

2010

  • O. Busaryev, T. K. Dey, and Y. Wang "Tracking a generator by persistence." in 16th Annual International Computing and Combinatorics Conference (COCOON). (8 2010).
  • Dey,Tamal,K; Sun,Jian; Wang,Yusu "Approximating Loops in a Shortest Homology Basis from Point Data." in 26th Annual Symposium on Computational Geometry. (6 2010).
  • T. K. Dey, C. Luo, P. Ranjan, I. Safa, and Y. Wang "Persistent heat signature for pose-oblivious matching of incomplete models." in Eurographics Symposium on Geometry Processing. (7 2010).

2009

  • Cheng,Siu-Wing; Dey,Tamal,K; Levine,Joshua "Theory of a Practical Delaunay Meshing Algorithm for a Large Class of Domains." in 2nd International Conference on Information Systems Security. (1 2009).

2008

  • Dey,Tamal,K; Levine,Joshua,A "Delaunay meshing of isosurfaces." in 9th International Conference on Shape Modeling and Applications. (6 2008).

2007

  • Dey,Tamal,K; Li,Kuiyu; Sun,Jian "On computing handle and tunnel loops." in International Conference on Cyberworlds. (1 2007).
  • Dey,Tamal,K; Levine,Joshua,A; Wenger,Rephael "A Delaunay simplification algorithm for vector fields." in 15th Pacific Conference on Computer Graphics and Applications (Pacific Graphics 2007). (1 2007).

1999

  • Dey, T, K; Kumar, P "A simple provable algorithm for curve reconstruction." in Tenth Annual ACM-SIAM Symposium on Discrete Algorithms. (1 1999).

Unknown

  • Dey, TK, Ranjan, P, Wang Y. "Eigen Deformation of 3D Models." in Computer Grapics International (CGI) 2012.