Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Patrick Rault0
Date of Patent
February 5, 2008
0Patent Application Number
103755820
Date Filed
February 24, 2003
0Patent Primary Examiner
Patent abstract
A first method of transcoding video data is disclosed that generates a motion vector for a macroblock encoded as a dual prime macro block that has a direct motion vector, and differential motion vector for its two fields respectively. Another method of transcoding includes replacing a skipped P-macroblock that has been used to backward predict a B-Frame with a P-macroblock having a motion vector of zero. Another method of transcoding includes replacing a skipped B-Macroblock with a macroblock having a motion vector from a macroblock of the same frame of the skipped B-Macroblock that is not co-located.
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