Method for morphing geometric shapes based upon direction map

Details Method for morphing geometric shapes based upon direction map Method for morphing geometric shapes based upon direction map

2006-08-15

2006-08-15

Tung, Kee M. (Department: 2672)

Computer graphics processing and selective visual display system

Computer graphics processing

Graphic manipulation

C345S619000, C382S308000

Reexamination Certificate

active

07091995

ABSTRACT:
The present invention provides a method for morphing different geometric shapes while not using algebraic characteristics and overcoming inefficiency of Minkowski sum computation. The method for geometric shape morphing by using direction map so as to smoothly morph more than two different geometric shapes includes the steps of: a) extracting each direction map of the geometric shape; b) merging the direction maps; c) scaling the merged direction map by group; and d) generating a polygon by using an inverse function of a direction map.

REFERENCES:
patent: 5613048 (1997-03-01), Chen et al.
patent: 2001-175881 (2001-06-01), None
patent: 1020020051299 (2002-06-01), None
patent: 2003-48620 (2003-06-01), None
J.H. Lee, et al.; “Interactive Control . . . Minkowski Sum”; This Preliminary version of this paper was presented in Korean at Korea CAD/CAM Society Conference, Jan. 30, 2002.

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