Method and apparatus for identifying MPEG picture coding types

Details Method and apparatus for identifying MPEG picture coding types Method and apparatus for identifying MPEG picture coding types

2007-04-17

2007-04-17

Tran, Thai (Department: 2621)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

Reexamination Certificate

active

09976651

ABSTRACT:
In a digital video recording system (DVR), a method of identifying the MPEG picture coding type of individual pictures of a GOP that is contained within a DSS transport packet, without parsing and evaluating each DSS transport packet. The picture coding type identifies whether a picture is an intra-coded (I) picture, predictive-coded (P) picture or bi-directionally predictive-coded (B) picture. The method facilitates implementation of DVR system playback modes, and especially trick modes by identifying and indexing the transport packet payload containing the I-picture (frame or field).

REFERENCES:
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patent: 6369855 (2002-04-01), Chauvel et al.
patent: 6510554 (2003-01-01), Gordon et al.
patent: 7035335 (2006-04-01), Iacobelli et al.
patent: 910087 (1999-04-01), None

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