Motion video compression system with buffer empty/fill look-ahea

Details Motion video compression system with buffer empty/fill look-ahea Motion video compression system with buffer empty/fill look-ahea

1996-01-25

1998-02-17

Chin, Tommy P.

Television

Bandwidth reduction system

Data rate reduction

348405, H04N 712, H04N 1102

Patent

active

057196320

ABSTRACT:
Systems and methods are provided for allocating bits to pictures in accordance with the bit allocation constraints for operation at both constant and variable bit rates. The encoding complexity of each picture is modeled based on its spatial and temporal properties. Based on the modeling, a number of bits is allocated in advance to each picture. Each picture is then compressed according to the bits allocated. Based on the difference between the achieved and desired bit rates and on the availability of computational resources, a second pass or multiple passes may be performed to improve the coding.

REFERENCES:
patent: 4302775 (1981-11-01), Widergren et al.
patent: 5231484 (1993-07-01), Gonzales et al.
patent: 5510840 (1996-04-01), Yonemitsu
patent: 5565924 (1996-10-01), Haskell et al.
patent: 5623424 (1997-04-01), Azadegan et al.

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