Triangular biorthogonal wavelets with extended lifting (Q2868197)

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scientific article; zbMATH DE number 6242190
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Triangular biorthogonal wavelets with extended lifting
scientific article; zbMATH DE number 6242190

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    27 December 2013
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    biorthogonal wavelets
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    triangular lattice
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    Triangular biorthogonal wavelets with extended lifting (English)
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    The classical two dimensional wavelets lack the directional property. To overcome that shortcoming, curvelets and shearlets are usually introduced. This paper provides another method for constructing a family of triangular biorthogonal wavelets by adding a new operation called ``twist''. It turns out that several nice properties are inherited. The authors apply their wavelets to the extraction of some image edges as well.
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