Improved time bounds for near-optimal sparse Fourier representations

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Summary

A significantly improved algorithm for the problem of finding a Fourier representation R of m terms for a given discrete signal A of length N and a quadratic-in-m algorithm that works for any values of Ni's is given.

Type
article
Published
2005-09-21
Cited by
235
References
31

Keywords

Combinatorics, Fast Fourier transform, Binary logarithm, Sublinear function, Mathematics

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