Non-Separable Two-Dimensional Perfect Reconstruction Filter Banks

Gunnar Karlsson; Martin Vetterli; Jelena Kovacevic

doi:10.1117/12.968952

25 October 1988 Non-Separable Two-Dimensional Perfect Reconstruction Filter Banks

Gunnar Karlsson, Martin Vetterli, Jelena Kovacevic

Proceedings Volume 1001, Visual Communications and Image Processing '88: Third in a Series; (1988) https://doi.org/10.1117/12.968952
Event: Visual Communications and Image Processing III, 1988, Cambridge, MA, United States

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.

Citation Download Citation

Gunnar Karlsson, Martin Vetterli, and Jelena Kovacevic "Non-Separable Two-Dimensional Perfect Reconstruction Filter Banks", Proc. SPIE 1001, Visual Communications and Image Processing '88: Third in a Series, (25 October 1988); https://doi.org/10.1117/12.968952

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