Thomas P.-Y. Yu
Department of Mathematics, Drexel University
3141 Chestnut Street, Korman 269
Philadelphia, PA 19104
Email: yut@drexel.edu
Telephone: 215-895-2066, Fax: 215-895-1582
 
Publications:

Approximation Order Equivalence Properties of Manifold-Valued Data Subdivision Schemes
(with Gang Xie)
(pdf)(bibtex entry)

Smoothness Equivalence Properties of General Manifold-Valued Data Subdivision Schemes
(with Gang Xie)
(pdf)(bibtex entry)(Maple spreadsheet suggesting the breakdown of smoothness equivalence of Donoho's log-exp scheme)

Smoothness Equivalence Properties of Interpolatory Lie Group Subdivision Schemes
(with Gang Xie)
(pdf)(bibtex entry)

Smoothness Equivalence Properties of Manifold-Valued Data Subdivision Schemes based on the Projection Approach
(with Gang Xie)
(pdf)(bibtex entry)

Cutting Corners on the Sphere
(pdf)(ps)(bibtex entry)


How Data Dependent is a Nonlinear Subdivision Scheme?
--- A Case Study based on Convexity Preserving Subdivision
(pdf)(ps)(bibtex entry)

Jet Subdivision Schemes on the k-Regular Complex
(with Yonggang Xue and Thomas Duchamp)(pdf)(bibtex entry)(Project Page)

Honeycomb and k-fold Hermite Subdivision Schemes
(with Yonggang Xue)(pdf)(ps)(bibtex entry)

Face-based Hermite Subdivision Schemes
(with Bin Han)
(pdf)(ps)(bibtex entry)

On a Linearization Principle for Nonlinear p-mean Subdivision Schemes
(with Gang Xie)
(pdf)(ps)(bibtex entry)

Smoothness Analysis of Nonlinear Subdivision Schemes of
Homogeneous and Affine Invariant Type

(with Gang Xie)
(pdf)(ps)(bibtex entry)

 Non-Interpolatory Hermite Subdivision Schemes

(with Bin Han and Yonggang Xue)(pdf)(ps)(bibtex entry)

Continuous M-Estimators and their Interpolation by Polynomials
(with Jong-Shi Pang)(pdf)(ps)(bibtex entry)(Matlab Code)

Design of Hermite Subdivision Schemes aided by  Spectral Radius Optimization
(
with Bin Han and Michael Overton)(pdf)(ps)(bibtex entry)

Multivariate Refinable Hermite Interpolants
(with Bin Han and Bruce Piper)(pdf)(ps)(bibtex entry) 

A Greedy, Non-recursive Algorithm for Minimum-Time Rendering of Triangle Meshes
(with Gang Lin) (pdf)(ps

Parametric Families of Hermite Subdivision Schemes in Dimension 1
(pdf)(ps)(software)(bibtex entry)
Most of the results in this unpublished manuscript are improved and published in:
Approximation Order/Smoothness Tradeoff in Hermite Subdivision Schemes
(pdf)(ps)(bibtex entry)
On the Regularity Analysis of Interpolatory Hermite Subdivision Schemes

(pdf)(ps)(bibtex entry)


Nonlinear "Wavelet Transform" Based on Median-Interpolation
(with David Donoho)(pdf)(ps)
Final version appeared in SIAM Journal on Math. Analysis:
Nonlinear Pyramid Transform Based on Median-Interpolation
 (pdf)(ps)(bibtex entry)

A condensed version appeared in the proceedings of Asilamor '97
(pdf)(ps)

Interpolation of Medians
(with Tim Goodman) (pdf)(ps)(bibtex entry)

Smooth Multiwavelet Duals of Alpert Bases By Moment-Interpolating Refinement
(with David Donoho, Nira Dyn & David Levin) (pdf)(ps)(bibtex entry)

Deslaueriers-Dubuc: Ten Years After
(with David Donoho) (pdf)(ps)(bibtex entry)

Denoising of Electron Tomographic Reconstructions from Biological Specimens
(with Arne Stoschek & Reiner Hegerl) (pdf)(ps)(Proc. of ICASSP 97, Pg. 2793-2796)

Translation- and Direction-Invariant Denoising of 2-D and 3-D Images
(with Arne Stoschek & David Donoho)(Webpage)



project page


The research presented at this page has been supported by NSF grants CCR 9984501 (CAREER Award) and DMS 0542237.



Teaching:
Winter'08

Math312 Probabilty and Statistics II