US Patent 7589725 Soft shadows in dynamic scenes
Patent 7589725 was granted and assigned to Microsoft on September, 2009 by the United States Patent and Trademark Office.
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Patent abstract
The present soft shadowing technique pre-computes visibility of blockers using a log of a spherical harmonic visibility function. These logs can then be accumulated and exponentiated in real-time to yield the product visibility vector over all the blockers. The product visibility vector is combined with the light intensity and surface reflectance to determine shading at a receiver point in a computer-generated scene.
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US Patent 07589725 Soft shadows in dynamic scenes US Patent 7589725 Soft shadows in dynamic scenes
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Patent Number
0758972500
Patent Number
758972500
Edits on 29 Mar, 2023
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Current Assignee
Patent Jurisdiction
Patent Number
075897250
Date of Patent
September 15, 2009
0Patent Application Number
114789130
Date Filed
June 30, 2006
0Official Website
Patent Primary Examiner
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Current Assignee
Patent Jurisdiction
Patent Number
075897250
Date of Patent
September 15, 2009
0Patent Application Number
114789130
Date Filed
June 30, 2006
0Official Website
Patent Primary Examiner
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US Patent 07589725 Soft shadows in dynamic scenes
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07589725
Date of patent
September 15, 2009
Patent application number
11478913
Date Filed
June 30, 2006
Patent primary examiner
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