Celebratio Mathematica — Daubechies

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J. Xu, Y. Li, D. Dunson, I. Daubechies, and H. Yang: Non-oscillatory pattern learning for non-stationary signals. Preprint, May 2018. ArXiv 1805.08102 techreport

This paper proposes a novel non-oscillatory pattern (NOP) learning scheme for several oscillatory data analysis problems including signal decomposition, super-resolution, and signal sub-sampling. To the best of our knowledge, the proposed NOP is the first algorithm for these problems with fully non-stationary oscillatory data with close and crossover frequencies, and general oscillatory patterns. NOP is capable of handling complicated situations while existing algorithms fail; even in simple cases, e.g., stationary cases with trigonometric patterns, numerical examples show that NOP admits competitive or better performance in terms of accuracy and robustness than several state-of-the-art algorithms.

David Brian Dunson	Related
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Haizhao Yang	Related
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