Computer graphics processing and selective visual display system – Computer graphics processing – Three-dimension
Patent
1995-11-17
1999-04-06
Vo, Cliff N.
Computer graphics processing and selective visual display system
Computer graphics processing
Three-dimension
345419, G06T 1700
Patent
active
058925155
ABSTRACT:
A shape model as an object to be analyzed and division information used to produce a finite element mesh are entered, and a recognition model is produced by allocating each edge line segmented by structural points of the shape model to any one coordinate axial direction in an orthogonal coordinate system. A mapping model is produced in which an orthogonal lattice is produced on a surface and the inside of an approximated shape model, and is displayed on a screen. The mapping model is modified by a system user in an interactive operation. A finite element mesh is generated from lattice points of the modified mapping model. The data input by the system user is processed in an input/output data processing unit, and shape model data of the object to be analyzed is produced in a shape model producing unit. Based on the division information input by the system user, a finite element mesh is generated on the shape model by a finite element mesh producing unit. The line segment allocation directions of the recognition model are displayed in a recognition model producing unit, so that an allocation direction can be modified in a recognition model modifying unit by the system user in a interactive mode. The finite element model data produced from the optimized recognition model is registered into a database.
REFERENCES:
patent: 5315537 (1994-05-01), Blacker
patent: 5442569 (1995-08-01), Osano
patent: 5522019 (1996-05-01), Bala et al.
patent: 5553206 (1996-09-01), Meshkat
Aoyama Hiromi
Hoshino Keiko
Kobayashi Chie
Moriyama Hiromitsu
Nishigaki Ichiro
Hitachi , Ltd.
Vo Cliff N.
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