Floating keyframes

Details Floating keyframes Floating keyframes

Filed on

1996-08-07

Date issued

1999-07-27

Examiner

Zimmerman, Mark K.

Patent Class

Computer graphics processing and selective visual display system

SubClass

Computer graphics processing

SubSubClass

Animation

Other Related Categories

G06F 1300

Type

Patent

Status

active

Patent number

059298677

Description

ABSTRACT:
A computer-implemented method and apparatus for animating a property (such as the position of an object) using floating keyframes to selectively decouple property space and time constraints. Fixed keyframes and floating keyframes may used to specify a path through an n-dimensional property space, but the motion along the path is controlled only by the fixed keyframes. The timing of the floating keyframes is determined by temporal attributes of the nearest fixed keyframes.

REFERENCES:
patent: 5053760 (1991-10-01), Frasier et al.
patent: 5267334 (1993-11-01), Normille et al.
patent: 5594856 (1997-01-01), Girard
patent: 5619628 (1997-04-01), Fujita et al.
Corel Corporation, "CorelDraw|4.0: CorelMOVE", "Section 3, Chapter 6: Adding Action", "Chapter 7: Editing and Playing the Animation", pp. 460-463, 481, 1993.
Thobie, Sophie-Anne, "An Advanced Interpolation for Synthetical Animation", IEEE, pp. 562-565, 1994.
Yoshikawa et al., "Synthesizing Human Motion in a CG Authoring Environment for Nonprofessionals", IEEE pp. 40-43, 1996.
Calvert, Ovans, Mah, "Towards the Autonomous Animation of Multiple Human Figures", IEEE, pp. 69-74, 1994.
Fishwick, Porr, "Using Discrete Event Modeling for Effective Computer Animation Control", IEEE, pp. 1156-1162, 1991.

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