Minimizing drift in motion-compensation fine granular...

Details Minimizing drift in motion-compensation fine granular... Minimizing drift in motion-compensation fine granular...

2005-06-07

2005-06-07

Lee, Young (Department: 2613)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

Reexamination Certificate

active

06904092

ABSTRACT:
A method and apparatus for minimizing prediction drift at low bitrates in a fine granular scalable video coding scheme that utilizes motion compensation in an enhancement layer. The method and apparatus measures motion activity within at least a portion a video; determines whether the measured motion activity is below a predetermined threshold value; codes the portion of the video with the fine granular scalable video coding scheme that utilizes motion compensation in the enhancement layer if the measured motion activity is below the predetermined threshold value; and codes the portion of the video with a fine granular scalable video coding that does not utilize motion compensation in the enhancement layer if the measured motion activity is above the predetermined threshold value.

REFERENCES:
patent: 2002/0037048 (2002-03-01), Radha et al.
“Motion-Compensation Fine-Granular-Scalability (MC-FGS) for Wireless Multimedia”, van der Schaar et al, IEEE Multimedia Signal Processing IEEE Symposium on, Oct. 3, 2001, pp. 453-458.
“Adaptive Frequency Weighting for Fine-Granularity-Scalability”, Peng et al, Proceedings of the Spie, vol. 4671, Jan. 21, 2002, pp. 840-849.

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