Day One       Tuesday, 13 April 2004

9:00 -9:15 Welcome Session
9:15-10:00 Invited Talk 1: Overview of Recent Work on Geometry Images
Hugues Hoppe

Session 1 Surface reconstruction

10:00-10:25 Shrinking: Another Method for Surface Reconstruction
In-Kwon Lee and Ku-Jin Kim
10:25-10:50 Surface reconstruction with triangular B-spline
Ying He and Hong Qin
10:50-11:05 Coffee Break
Session 2 Meshes and subdivision

11:05-11:30 Interpolatory sqrt(2)-Subdivision Surfaces
Guiqing Li, Weiyin Ma, Hujun Bao
11:30-11:55 Convergent Discrete Laplace-Beltrami Operators over Triangular Surfaces
Guoliang Xu
11:55-12:20 Fast Evaluation of the Improved Loop's Subdivision Surfaces
Qing Pan and Guoliang Xu
12:20-14:00 Lunch
Session 3 Mesh editing and processing

14:00-14:25 Segmentation and Parametrization of Arbitrary Polygon Meshes
Liyan Zhang, Shenglan Liu, Xi Wu and Laishui Zhou
14:25-14:50 Triangular/Quadrilateral Remeshing of an Arbitrary Polygon Model via Packing Bubbles
Soji Yamakawa, Kenji Shimada
14:50-15:15 Feature Based Retargeting of Parameterized Geometry
Karan Singh
15:15-15:40 Topology Free Cut-and-Paste Editing over Meshes
Hongbo Fu, Chiew-Lan Tai, Hongxin Zhang
Session 4 Industrial applications

15:40-16:05 Efficient Numerical Algorithms on Equilibrium Equations for Geometric Modeling
Yong-Jin Liu, Kai Tang, Matthew Ming-Fai Yuen
16:05-16:30 A fast NC simulation method for circularly moving tools in the Z-map environment
Seung Ryol Maeng, Nakhoon Baek, Sung-Yong Shin, Byoung Kyu CHOI
16:30-16:45 Coffee Break
Session 5 Interpolation and approximation

16:45-17:10 Some Shape-Preserving Quasi-Interpolants to Non-Uniformly
Distributed Data Constructed by MQ-B-Splines
Weixiang Zhang, Zongmin Wu
17:10-17:35 Rational Quadratic Approximation to Real Plane Algebraic Curves
Xiaoshan Gao, Ming Li
17:35-18:00 Surface interpolation of meshes with shape optimization
Xunnian Yang
18:00-19:30 Supper
Day Two      Wednesday, 14 April 2004

9:00 - 9:45 Invited talk 2: The Fractal Nature of Bezier Curves
Ron Goldman

Session 6 Solid Modeling

9:45-10:10 Interpreting Line Drawings of Objects with K-Vertices
P.A.C. Varley, Hiromasa Suzuki, Ralph R. Martin
10:10-10:35 Handling Sectional Views in Volume-based Approach to
Automatically Construct 3D Solid from 2D Views
Jitendra Dimri and B. Gurumoorthy
10:35-10:50 Coffee Break
Session 7 Curves and surfaces (1)

10:50-11:15 Chord Length (Motivated) Parameterization of IsoSurfaces
Gregory M. Nielson
11:15-11:40 Knot Choosing by Accommodating the First Derivative Constraint
Caiming zhang, Fuhua Cheng
11:40-12:05 Intersecting a Free-form Surface with a Ringed/Ruled Surface
Joon-Kyung Seong, Ku-Jin Kim, Myung-Soo Kim, and Gershon Elber
12:05-12:30 On convergence of the control polygons series of C-Bezier curves
Dong Chenshi, Wang Guozhao, Yang Xunnian
12:30-14:00 Lunch
Session 8 Shape representation

14:00-14:25 Some estimates of the height of rational Bernstein-Bezier
triangular surfaces
Renjiang Zhang, Guojin Wang
14:25-14:50 Multivariate Spline Spaces and Multivariate Cubic NURBS Surfaces
Chong-Jun Li, Ren-Hong Wang
14:50-15:15 A hybrid method for fast computing the curvature scale space image
Wenhe Liao, Baojiang Zhong
15:15-15:40 Analyzing and Enhancing the Robustness of Implicit Representations
Martin Aigner, Bert Juettler, and Myung-Soo Kim
15:40-15:55 Coffee Break
Session 9 Curves and surfaces (2)

15:55-16:20 Smooth Trimmed NURBS Surface Connection with Tension Control
Pifu Zhang, Fuhua (Frank) Cheng
16:20-16:45 Existence of the Normalized B-basis and a Practical Construction
Method of the B-algorithm
Fan Zhang, Baosheng Kang, Shaofeng Ru, Mingquan Zhou

Session 10 Poster Session   (16:45-18:00)
18:30-20:30 Banquet
Day Three    Thursday, 15 April 2004

9:00-9:45 Invited Talk 3: Axioms and Variational Problems in Surface Parametrization
Rumpf Martin

Session 11 Reverse engineering

9:45-10:10 Recognition and Reconstruction of Developable Surfaces from Point Clouds
Martin Peternell
10:10-10:35 An Engineering Rules based Parameterization Approach for Turbine Blade Reverse Engineering
Yongqing Li, Xiaoping Huang, Gong Chunhe, Kelvin Wang
10:35-10:50 Coffee Break
Session 12 Geometric processing of volume data

10:50-11:15 Global Curvature Analysis and Segmentation of Volumetric Data Sets Using Trivariate B-spline Functions
Octavian Soldea, Gershon Elber, Ehud Rivlin
11:15-11:40 Topological Volume Skeletonization Using Adaptive Tetrahedralization
Shigeo Takahashi, Gregory M. Nielson, Yuriko Takeshima, Issei Fujishiro
11:40-12:05 Improved Geometric Constraints on Deformable Surface Model for Volumetric Segmentation
Jiuxiang Hu, Anshuman Razdan, Gregory M. Nielson, Gerald E. Farin
12:05-12:30 Close session
Workshop Post Workshop at Peking University:
Digital Geometry processing

14:00-15:00 Workshop Chair:
Hugues Hoppe (Microsoft Research, USA)

Invited speakers:
Hujun Bao (Zhejiang Univ., P. R. China)
Leif Kobbelt (RWTH Aachen, Germany)
Ralph Martin (Cardiff Univ., UK)

It's free for GMP2004 participants to take part in the workshop, but registration is necessory.

Please email to for registration of DGP workshop before April 5.