US Patent 7170516 Approximation of Catmull-Clark subdivision surfaces by Bezier patches
Patent 7170516 was granted and assigned to Autodesk on January, 2007 by the United States Patent and Trademark Office.
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Patent Inventor Names
Eric Joel Stollnitz0
Richard Everett Rice0
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Patent abstract
A method for converting a subdivision surface, such as a Catmull-Clark subdivision surface, into a cubic Bezier surface defined by sixteen control points. The method includes (a) converting a subdivision face to Bezier control points using a conversion matrix using fifteen points and a dummy value for an unavailable sixteenth point; and (b) replacing one of the Bezier control points which corresponds to an extraordinary point on the subdivision face with the extraordinary point's limit point.
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US Patent 07170516 Approximation of Catmull-Clark subdivision surfaces by Bezier patches US Patent 7170516 Approximation of Catmull-Clark subdivision surfaces by Bezier patches
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Patent Number
071705160
Patent Number
71705160
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Current Assignee
Patent Jurisdiction
Patent Number
071705160
Date of Patent
January 30, 2007
0Patent Application Number
110638800
Date Filed
February 23, 2005
0Official Website
Patent Primary Examiner
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US Patent 07170516 Approximation of Catmull-Clark subdivision surfaces by Bezier patches
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07170516
Date of patent
January 30, 2007
Patent application number
11063880
Date Filed
February 23, 2005
Patent primary examiner
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