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Lexicographic Bit Allocation for MPEG Video
Hoang, Dzung T. Linzer, Elliot L. Vitter, Jeffrey Scott
Hoang, Dzung T.
Linzer, Elliot L.
Vitter, Jeffrey Scott
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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 bu er and channel constraints imposed by
the MPEG Video Bu ering Veri er. 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 Bu ering Veri er, and 3) a novel lexicographic criterion for optimality.
Under this framework, we derive simple necessary and su cient conditions for optimality that lead
to e cient algorithms.
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Date
1997
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Elsevier
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D. T. Hoang, E. Linzer, and J. S. Vitter. “Lexicographic Bit Allocation for MPEG Video,” special issue on high-fidelity media processing in Journal of Visual Communication and Image Representation, 8(4), December 1997, 384–404. An extended abstract appears in D. T. Hoang, J. S. Vitter, and E. Linzer, Proceedings of the 1997 IEEE International Conference on Image Processing (ICIP ’97), Santa Barbara, CA, October 1997. An earlier version appears in “A Lexicographic Framework for MPEG Rate Control,” Proceedings of the 1997 IEEE Data Compression Conference (DCC ’97), Snowbird, UT, March 1997, 101–110. http://dx.doi.org/10.1006/jvci.1997.0376