Commutativity of up/down sampling
- 12 March 1992
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 28 (6) , 567-569
- https://doi.org/10.1049/el:19920358
Abstract
A technique for the construction of perfect reconstruction filter banks with division into non-uniform channels has been introduced. This construction uses the commutativity of subsampling and upsampling. Explicit conditions for commutativity have been presented only for the 1-D and 2-D cases. The Letter generalises the conditions for commutativity of subsampling and upsampling to arbitrary dimensions.Keywords
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