Apparatus and method for allocating bits temporaly between...

Details Apparatus and method for allocating bits temporaly between... Apparatus and method for allocating bits temporaly between...

2005-05-17

2005-05-17

Rao, Andy (Department: 2613)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C375S240040, C375S240050, C375S240060, C375S240070

Reexamination Certificate

active

06895050

ABSTRACT:
A method and apparatus for temporally allocating bits between frames in a coding system such that temporal fluctuations are smoothed out. Namely, a picture quality is monitored on a frame by frame basis. An average distortion measure is derived from previous picture frames and that average is compared to the distortion measure of a current frame, where the result is used to effect bit budget allocation for each frame in an input image sequence.

REFERENCES:
patent: 6490320 (2002-12-01), Vetro et al.
patent: 6526097 (2003-02-01), Sethuraman et al.
patent: 6654417 (2003-11-01), Hui

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