Subdivision Surface Fitting Using QEM-Based Mesh Simplification and Reconstruction of Approximated B-Spline Surfaces

Authors:
Shingo Takeuchi;Hiromasa Suzuki;Fumihiko Kimura;Takashi Kanai;Kenji Shimada
Affiliations:
-;-;-;-;-
Venue:
PG '00 Proceedings of the 8th Pacific Conference on Computer Graphics and Applications
Year:
2000

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Abstract

We present a general method for automatically reconstructing a network of B-spline patches based on the Doo-Sabin subdivision surface. This method consists of two parts, surface fitting and surface construction. In surface fitting, mesh simplification based on QEM (Quadric Error Metrics) is used and a control mesh that approximates a Doo-Sabin subdivision surface is constructed. In surface construction, we define a B-spline surface using a surface spline method; and a constructed network of B-spline patches is guaranteed G 1 continuous. In addition, this method has the advantage of enabling the user to select detail levels of the control mesh by utilizing a mesh simplification process.