Method and system for rate estimation in a video encoder

Details Method and system for rate estimation in a video encoder Method and system for rate estimation in a video encoder

2005-04-14

2010-10-26

Wong, Allen (Department: 2621)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C375S240000, C375S240010, C375S240120

Reexamination Certificate

active

07822116

ABSTRACT:
Described herein is a method and system for rate estimation in a video encoder. The method and system use estimation metrics that can also be part of motion estimation and spatial prediction. A rate controller may utilize the system for rate estimation in two ways. The rate controller may supply a quantization parameter and receive a bit estimate from the rate estimator. Alternatively, the rate controller may supply a bit estimate and receive a quantization parameter from the rate estimator.

REFERENCES:
patent: 5926222 (1999-07-01), Nickerson
patent: 6192075 (2001-02-01), Jeng et al.

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