Selective decoding of enhanced video stream

Details Selective decoding of enhanced video stream Selective decoding of enhanced video stream

2006-05-02

2006-05-02

Philippe, Gims (Department: 2613)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C375S240080, C382S243000

Reexamination Certificate

active

07039113

ABSTRACT:
An MPEG decoding system selectively decodes MPEG enhanced streams, based on a select identification of an enhancement region of a series of image frames. MPEG blocks within the enhancement region are decoded with the enhancement-layer, while blocks outside the enhancement region are decoded at the base-layer. Additionally, the user is provided the option of displaying the series of images in a window that is selectively sized to contain only the enhancement region, or the enhancement region surrounded by a base-layer region, or a custom sized window that may include all or some of the enhancement and base-layer regions.

REFERENCES:
patent: 5349383 (1994-09-01), Parke et al.
patent: 5515377 (1996-05-01), Horne et al.
patent: 5988863 (1999-11-01), Demos
patent: 6041143 (2000-03-01), Chui et al.
patent: 6275531 (2001-08-01), Li

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