Title :
A lexicographic framework for MPEG rate control
Author :
Hoang, Dzung T. ; Linzer, Elliot L. ; Vitter, Jeffrey Scott
Author_Institution :
Digital Video Syst. Inc., Santa Clara, CA, USA
Abstract :
We consider the problem of allocating bits among pictures in an MPEG video coder to equalize the visual quality of the coded pictures, while meeting buffer and channel constraints imposed by the MPEG video buffering verifier. We address this problem within a framework that consists of three components: (1) a bit production model for the input pictures, (2) a set of bit-rate constraints imposed by the video buffering verifier, and (3) a novel lexicographic criterion for optimality. Under this framework, we derive simple necessary and sufficient conditions for optimality that lead to efficient algorithms
Keywords :
buffer storage; channel capacity; code standards; optimisation; telecommunication congestion control; telecommunication standards; video coding; MPEG rate control; MPEG video buffering verifier; MPEG video coder; bit allocation algorithms; bit production model; bit rate constraints; buffer constraints; channel constraints; coded pictures; constant bit rate; input pictures; lexicographic framework; necessary condition; optimality conditions; sufficient condition; variable bit rate; video sequence; visual quality equalisation; Algorithm design and analysis; Bit rate; Control systems; Decoding; Force control; Force measurement; MPEG standards; Nonlinear distortion; Optimal control; Video coding;
Conference_Titel :
Data Compression Conference, 1997. DCC '97. Proceedings
Conference_Location :
Snowbird, UT
Print_ISBN :
0-8186-7761-9
DOI :
10.1109/DCC.1997.581982