Pulse or digital communications – Bandwidth reduction or expansion – Television or motion video signal
Reexamination Certificate
2004-10-06
2010-10-26
Vo, Tung (Department: 2621)
Pulse or digital communications
Bandwidth reduction or expansion
Television or motion video signal
C375S240010, C375S240290
Reexamination Certificate
active
07822123
ABSTRACT:
A video codec provides efficient repeat padding of hybrid video sequences having arbitrary video resolution. The video codec repeat pads to expand the active content of pictures in the video sequence out to meet an adaptive vertical macroblock alignment restriction that varies by picture type. For progressive type pictures, the video codec repeats the last row or horizontal boundary edge of the active content. For interlaced type pictures, the video coded repeats the last two rows (last row of each interlaced field) of the active content. This repeat padding differing by picture type provides a better prediction (lower prediction error residual) for macroblocks in following predicted frames whose motion vector points into the padded region.
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Holcomb Thomas W.
Hsu Pohsiang
Lin Chih-Lung
Srinivasan Sridhar
Holder Anner
Klarkquist Sparkman, LLP
Microsoft Corporation
Vo Tung
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