Small Support Spline Riesz Wavelets in Low Dimensions |
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Authors: | Bin Han Qun Mo Zuowei Shen |
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Institution: | (2) Department of Mathematical and Statistical Sciences, University of Alberta, Edmonton, Canada; |
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Abstract: | In Han and Shen (SIAM J. Math. Anal. 38:530–556, 2006), a family of univariate short support Riesz wavelets was constructed from uniform B-splines. A bivariate spline Riesz wavelet
basis from the Loop scheme was derived in Han and Shen (J. Fourier Anal. Appl. 11:615–637, 2005). Motivated by these two papers, we develop in this article a general theory and a construction method to derive small support
Riesz wavelets in low dimensions from refinable functions. In particular, we obtain small support spline Riesz wavelets from
bivariate and trivariate box splines. Small support Riesz wavelets are desirable for developing efficient algorithms in various
applications. For example, the short support Riesz wavelets from Han and Shen (SIAM J. Math. Anal. 38:530–556, 2006) were used in a surface fitting algorithm of Johnson et al. (J. Approx. Theory 159:197–223, 2009), and the Riesz wavelet basis from the Loop scheme was used in a very efficient geometric mesh compression algorithm in Khodakovsky
et al. (Proceedings of SIGGRAPH, 2000). |
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