space-time modeling and analysis
In this survey, the problem of general type shape metamorphosis is considered as a typical space-time modeling operation. A new approach based on bounded blending of space-time half-cylinders is described. Detection and classification of critical points of shape topological changes on the time axis are presented. Examples in 2D and 3D spaces are given.
space-time metamorphosis bounded blending critical points topological analysis implicit surfaces function representation