Embedding supplemental data in a digital video signal

Details Embedding supplemental data in a digital video signal Embedding supplemental data in a digital video signal

2005-02-01

2005-02-01

Philippe, Gims (Department: 2613)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C382S232000, C348S415100

Reexamination Certificate

active

06850567

ABSTRACT:
An MPEG-encoded video signal includes groups of pictures (GOPs), each GOP having an intraframe coded (I) picture and a series of predictively encoded (P) pictures and bidirectionally predictively encoded (B) pictures. Usually, the GOP structure IBBPBBP . . . is used. However, in order to embed a watermark in the MPEG-encoded video signal, the MPEG encoder is forced to produce a GOP structure which does not normally occur, e.g., a GOP including a BPP sequence. Different symbol values can be assigned to different positions of the BPP sequence in the GOP.

REFERENCES:
patent: 5293229 (1994-03-01), Iu
patent: 5757910 (1998-05-01), Rim
patent: 5809139 (1998-09-01), Girod et al.
patent: 5859920 (1999-01-01), Daly et al.
patent: 5889868 (1999-03-01), Moskowitz et al.
patent: 6131161 (2000-10-01), Linnartz
patent: WO9713248 (1997-04-01), None

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