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AbstractA memory based computer graphic animation system generates desired images and image sequences from 2-D views. The 2-D views provide sparse data from which intermediate views are generated based on a generalization and interpolation technique of the invention. This technique is called a Hyper Basis function network and provides a smooth mapping between the given set of 2-D views and a resulting image sequence for animating a subject in a desired movement. A multilayer network provides learning of such mappings and is based on Hyper Basis Functions (HBF's). A special case of the HBFs is the radial basis function technique used in a preferred embodiment. The invention generalization/integration technique involves establishing working axes along which different views of the subject are taken. Different points along the working axes define different positions (geometrical and/or graphical) of the subject. For each of these points, control points for defining a view of the subject are either given or calculated by interpolation/generalization of the present invention.Other References
| InventorsAssigneeApplicationNo. 819767 filed on 01/13/1992US Classes:345/475, Temporal interpolation or processing345/473, Animation345/682, Image based (addressing)345/951, Key frame processing345/953Geometric processingExaminersPrimary: Herndon, Heather R.Assistant: Feild, Joseph H. Attorney, Agent or FirmUS Patent References3510210, 4600919, Three dimensional animationIssued on: 07/15/1986 Inventor: Stern4797836, Image orientation and animation using quaternions Issued on: 01/10/1989 Inventor: Witek , et al.5029997, Stop-frame animation system Issued on: 07/09/1991 Inventor: Faroudja5261041Computer controlled animation system based on definitional animated objects and methods of manipulating same Issued on: 11/09/1993 Inventor: Susman Foreign Patent References
International ClassG06T 005/50 |