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- W2068187898 abstract "From an average (ideal) sampling/reconstruction process, the question arises whether the original signal can be recovered from its average (ideal) samples and, if so, how. We consider the above question under the assumption that the original signal comes from a prototypical space modeling signals with a finite rate of innovation, which includes finitely generated shift‐invariant spaces, twisted shift‐invariant spaces associated with Gabor frames and Wilson bases, and spaces of polynomial splines with nonuniform knots as its special cases. We show that the displayer associated with an average (ideal) sampling/reconstruction process, which has a well‐localized average sampler, can be found to be well‐localized. We prove that the reconstruction process associated with an average (ideal) sampling process is robust, locally behaved, and finitely implementable, and thus we conclude that the original signal can be approximately recovered from its incomplete average (ideal) samples with noise in real time. Most of our results in this paper are new even for the special case when the original signal comes from a finitely generated shift‐invariant space." @default.
- W2068187898 created "2016-06-24" @default.
- W2068187898 creator A5039394045 @default.
- W2068187898 date "2007-01-01" @default.
- W2068187898 modified "2023-10-17" @default.
- W2068187898 title "Nonuniform Average Sampling and Reconstruction of Signals with Finite Rate of Innovation" @default.
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- W2068187898 doi "https://doi.org/10.1137/05063444x" @default.
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