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Proceedings Paper

Non-Separable Two-Dimensional Perfect Reconstruction Filter Banks
Author(s): Gunnar Karlsson; Martin Vetterli; Jelena Kovacevic
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Paper Abstract

Non-separable filter banks are studied for general two-dimensional sub-band coding. The developed results are valid for any sub-sampling pattern. A synthesis structure is given which enables cascade-structure design of all two-dimensional paraunitary perfect reconstruction filter banks. The resulting structure is evaluated with regard to free variables and computational complexity. The synthesis structure is also extended to embrace non-paraunitary perfect reconstruction systems. Finally, conditions are derived to test filter banks for linear phase in the polyphase domain.

Paper Details

Date Published: 25 October 1988
PDF: 13 pages
Proc. SPIE 1001, Visual Communications and Image Processing '88: Third in a Series, (25 October 1988); doi: 10.1117/12.968952
Show Author Affiliations
Gunnar Karlsson, Columbia University (United States)
Martin Vetterli, Columbia University (United States)
Jelena Kovacevic, Columbia University (United States)

Published in SPIE Proceedings Vol. 1001:
Visual Communications and Image Processing '88: Third in a Series
T. Russell Hsing, Editor(s)

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