Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ming-Chieh Lee0
Chih-Lung (Bruce) Lin0
Date of Patent
August 5, 2008
0Patent Application Number
108824890
Date Filed
June 30, 2004
0Patent Primary Examiner
Patent abstract
Video coding efficiency is improved by jointly coding the x and y components of motion vectors with a single variable length code. The motion vector components for a block of pixels are predicted based on motion vectors of neighboring blocks of pixels. The predicted x and y components are then jointly coded by assigning a single variable length code corresponding to the pair of components, rather than a separate code for each component. If the x and y components do not have a corresponding entry in the coding table, they are coded with an escape code followed by fixed length codes.
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