Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1996-09-06
1997-09-09
Nguyen, Phu K.
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
G06T 1730
Patent
active
056664729
ABSTRACT:
A graphics apparatus, and a method corresponding thereto, processes signals defining an object in a three-dimensional space. The object has parametric surface patches, each patch defined by a plurality of control points. The apparatus includes a processor for processing the signals to produce a plurality of polygons for use in rendering the object by connecting directly with straight lines some, but not all, of the control points defining a given surface patch, so as to produce a representation of the given surface patch having at least one polygon.
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Yang et al., "On Mapping Bezier Curve and Surface Subdivision Algorithms into a Hypercube with Geogmetric Adjacency Constraint," Parallel and Distributed Processing, 1991 IEEE/IEE Publishing Ondisc.
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Breen, "Creation and Smooth Shading of Steiner Patch Tesselation," Proc. Fall Joint Computer Conference, Jun., 1986, pp. 931-940.
Komatsu, "Human Skin Model Capable of Natural Shape Variation," NHK Laboratories Note, No. 329, Mar., 1986, pp. 1-12.
Canon Kabushiki Kaisha
Nguyen Phu K.
Vo Cliff N.
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