Abstract
Starting from any two compactly supported d-refinable function vectors in (L 2(R))r with multiplicity r and dilation factor d, we show that it is always possible to construct 2rd wavelet functions with compact support such that they generate a pair of dual d-wavelet frames in L 2(R) and they achieve the best possible orders of vanishing moments. When all the components of the two real-valued d-refinable function vectors are either symmetric or antisymmetric with their symmetry centers differing by half integers, such 2rd wavelet functions, which generate a pair of dual d-wavelet frames, can be real-valued and be either symmetric or antisymmetric with the same symmetry center. Wavelet frames from any d-refinable function vector are also considered. This paper generalizes the work in [5,12,13] on constructing dual wavelet frames from scalar refinable functions to the multiwavelet case. Examples are provided to illustrate the construction in this paper.
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Han, B., Mo, Q. Multiwavelet Frames from Refinable Function Vectors. Advances in Computational Mathematics 18, 211–245 (2003). https://doi.org/10.1023/A:1021360312348
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DOI: https://doi.org/10.1023/A:1021360312348