Forward trick modes on progressive video using special...

Details Forward trick modes on progressive video using special... Forward trick modes on progressive video using special...

2008-05-27

2008-05-27

Tran, Thai Q. (Department: 2621)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

C386S349000, C386S349000

Reexamination Certificate

active

10429628

ABSTRACT:
The invention concerns a method (200) and system (100) for encoding a video signal. The method includes the steps of receiving (212) a progressive video signal and encoding (214) the progressive video signal into at least one group of pictures having at least one prediction source picture and at least one non-prediction source picture. All the non-prediction source pictures are predicted from the prediction source picture such that no non-prediction source picture is predicted from another non-prediction source picture. The method can also include the step of, in response to a forward trick mode command, modifying (217, 218) at least the number of non-prediction source pictures in the group of pictures to convert the progressive video signal to a trick mode video signal.

REFERENCES:
patent: 6009228 (1999-12-01), Kawamura
patent: 6009229 (1999-12-01), Kawamura
patent: 6188725 (2001-02-01), Sugiyama
patent: 6408029 (2002-06-01), McVeigh et al.
patent: 2001/0014073 (2001-08-01), Yamada et al.
patent: 2004/0223735 (2004-11-01), Lin et al.

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