System and method for processing subpicture data

Details System and method for processing subpicture data System and method for processing subpicture data

2007-03-27

2007-03-27

Tran, Thai Q. (Department: 2621)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

Reexamination Certificate

active

10155720

ABSTRACT:
A method is described for rendering subpicture images comprising: reading a subpicture image from a digital versatile disk (“DVD”); identifying regions within the subpicture image for which α is below a specified threshold value; and rendering on a video screen only those regions of the subpicture image for which α is above the specified threshold value.

REFERENCES:
patent: 5594473 (1997-01-01), Miner et al.
patent: 5764814 (1998-06-01), Chen et al.
patent: 6043847 (2000-03-01), Kadono et al.
patent: 6313850 (2001-11-01), Czako
patent: 6518986 (2003-02-01), Mugura
patent: 6912350 (2005-06-01), Vasquez

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