Method and device for controlling quantization scales of a...

Details Method and device for controlling quantization scales of a... Method and device for controlling quantization scales of a...

2007-03-28

2011-10-04

Huber, Paul (Department: 2627)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C369S053440

Reexamination Certificate

active

08031769

ABSTRACT:
According to the exemplary embodiment of the present invention, a method for controlling quantization scales when encoding video signals is disclosed, which comprises: (a) generating a new quantization scale; and (b) comparing the new quantization scale with a prior quantization scale, and if the difference between the new quantization scale and the prior quantization scale exceeds a predetermined range, replace the prior quantization scale with the new quantization scale.

REFERENCES:
patent: 6801572 (2004-10-01), Yamada et al.

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