Accelerated iterative band-limited extrapolation algorithms

Benjamin G. Salomon, Hanoch Ur

Research output: Contribution to journalArticlepeer-review

Abstract

The iterative algorithms of Papoulis-Gerchberg and Cadzow are well-known algorithms for solving the band-limited extrapolation problem. These algorithms, however, are usually slowly convergent. In this letter we propose an acceleration scheme for both algorithms, based on finding best approximation in appropriate subspaces. The acceleration scheme can also be applied to other cases of signal restoration, which admit Youla's method of alternating orthogonal projections.

Original languageEnglish
Pages (from-to)871-874
Number of pages4
JournalIEEE Signal Processing Letters
Volume11
Issue number11
DOIs
StatePublished - Nov 2004

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