Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Geoff Chatterton0
Date of Patent
March 27, 2007
Patent Application Number
10155720
Date Filed
May 24, 2002
Patent Citations Received
Patent Primary Examiner
Patent abstract
A method is described for rendering subpicture images comprising: reading a subpicture image from a digital versatile disk (“DVD”); identifying regions within the subpicture image for which α is below a specified threshold value; and rendering on a video screen only those regions of the subpicture image for which α is above the specified threshold value.
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