Motion picture data converter, and computer product

Details Motion picture data converter, and computer product Motion picture data converter, and computer product

2005-08-16

2005-08-16

Rao, Andy (Department: 2613)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C375S240170

Reexamination Certificate

active

06931064

ABSTRACT:
In the motion picture data converter, an MPEG-2 decoding unit decodes motion picture data in an MPEG-2 format into motion picture data in an non-compressed format, a motion vector extraction unit extracts motion vector information from the motion picture data being decoded in said MPEG-2 decoding unit, a motion compensation unit generates the motion vector information in the MPEG-4 format, by causing the extracted motion vector information to be reflected in the motion compensation processing for the MPEG-4 format, and executes the motion compensation processing based on the motion vector information, and an MPEG-4 encoding unit encodes motion picture data in the MPEG-4 format, using the motion compensation processed data and the motion picture data in the non-compressed format.

REFERENCES:
patent: 6625211 (2003-09-01), Etoh et al.
patent: 6647061 (2003-11-01), Panusopone et al.
patent: 6671322 (2003-12-01), Vetro et al.
patent: 6728317 (2004-04-01), Demos
patent: 6738423 (2004-05-01), Lainema et al.

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