Modifying video by inserting shadow intra pictures

Details Modifying video by inserting shadow intra pictures Modifying video by inserting shadow intra pictures

2006-03-28

2006-03-28

Chevalier, Robert (Department: 2616)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

C386S349000

Reexamination Certificate

active

07020382

ABSTRACT:
The invention includes a system (100) and a method (200) for recording onto a storage medium (112) a video segment optimized for trick mode playback. The method can include the steps of: receiving (210) the video segment in which the video segment can contain at least one predictive picture; selectively forming (218) at least one shadow intro picture from at least one predictive picture; and inserting (222) at least one shadow intra picture into the video segment. Moreover, the shadow intra pictures can be ignored (236) during normal playback or a moderate speed trick mode playback.

REFERENCES:
patent: 5377051 (1994-12-01), Lane et al.
patent: 6192186 (2001-02-01), Murashima et al.
patent: 2002/0044760 (2002-04-01), Shirakawa et al.

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