Method of image processing, image processing apparatus,...

Details Method of image processing, image processing apparatus,... Method of image processing, image processing apparatus,...

2005-02-08

2005-02-08

Jankus, Almis (Department: 2671)

Computer graphics processing and selective visual display system

Computer graphics processing

Three-dimension

Reexamination Certificate

active

06853376

ABSTRACT:
To enable automatic generation of a cutting curve for a trimming process, for example, even when the line of intersection between two surfaces is a group of lines including a plurality of line segments or curved line segments. A series of processes including a first process to determine whether the line of intersection is a group of lines including a plurality of line segments or curved line segments or a single line segment or curved line segment and a second process to extend at least a line segment or curved line segment out of two adjacent line segments or curved line segments to connect the adjacent line segments or curved line segments with each other when the line of intersection is a group of lines are repeated until the result of the determination in the first process shows that the line of intersection is a single line segment or curved line segment to make the line of intersection into a single line segment or curved line segment.

REFERENCES:
patent: 4989152 (1991-01-01), Cheng
patent: 5856828 (1999-01-01), Letcher, Jr.
patent: 08-106553 (1996-04-01), None
Farouki, Computer Vision, Graphics, and Image Processing, vol. 33, pp. 209-236 (1986).
Barnhill et al., Computer Aided Geometric Design, vol. 7, pp. 257-280 (1990).
Barnhill et al., Computer Aided Geometric Design, vol. 4, pp. 3-16 (1987).

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