Dynamic and Adaptive Morphing of Three-Dimensional Mesh Using Control Maps

Tong-Yee LEE  Chien-Chi HUANG  

Publication
IEICE TRANSACTIONS on Information and Systems   Vol.E88-D   No.3   pp.646-651
Publication Date: 2005/03/01
Online ISSN: 
Print ISSN: 0916-8532
Type of Manuscript: PAPER
Category: Computer Graphics
Keyword: 
morphing,  mesh connectivity,  control maps,  weighted centroidal voronoi diagram (WCVD),  

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Summary: 
This paper describes a dynamic and adaptive scheme for three-dimensional mesh morphing. Using several control maps, the connectivity of intermediate meshes is dynamically changing and the mesh vertices are adaptively modified. The 2D control maps in parametric space that include curvature map, area deformation map and distance map, are used to schedule the inserting and deleting vertices in each frame. Then, the positions of vertices are adaptively moved to better positions using weighted centroidal voronoi diagram (WCVD) and a Delaunay triangulation is finally used to determine the connectivity of mesh. In contrast to most previous work, the intermediate mesh connectivity gradually changes and is much less complicated. We demonstrate several examples of aesthetically pleasing morphs created by the proposed method.