Raising multiwavelet approximation order through lifting (Q2706223)
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scientific article
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Raising multiwavelet approximation order through lifting |
scientific article |
Statements
19 March 2001
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wavelets
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multiwavelets
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lifting
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approximation order
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biorthogonal multiwavelets
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Raising multiwavelet approximation order through lifting (English)
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The author considers the following problem: Given a biorthogonal, compactly supported multiwavelet pair \(\phi\), \(\widetilde\phi\) and integers \(p\geq 1\), \(\widetilde p\geq 1\), find an algorithm to generate from them new multiwavelets \(\phi_1\), \(\widetilde\phi_1\) with approximation orders \(p\), \(\widetilde p\), respectively. The author presents such an algorithm using lifting technique. Free parameters in the algorithm are explicitly identified, and are used to optimize the result with respect the other criteria.
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