Backward Adaptive Motion Representation and Video Coding
Yang, Xuguang
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https://hdl.handle.net/2142/81256
Description
Title
Backward Adaptive Motion Representation and Video Coding
Author(s)
Yang, Xuguang
Issue Date
1998
Doctoral Committee Chair(s)
Ramchandran, Kannan
Department of Study
Electrical Engineering
Discipline
Electrical Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Electronics and Electrical
Language
eng
Abstract
Next, we consider the design of signal-adapted subband filter banks to be incorporated into our wavelet video coder, for the purpose of further improving compression efficiency, and for protection against channel errors in practical video communication. Our designs are formulated as constrained optimization problems under a number of system constraints, such as linear phase, orthonormality, and information redundancy, etc, and provide a family of solutions that offer a successive tradeoff between various requirements. The optimally designed filter banks are applied to an appropriate stochastic model of video signals, and experimental results confirm the effectiveness of our design.
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