Estimating the derivative of modulo-mapped phases

Abstract

The paper considers the problem of phase unwrapping which means generating absolute phase values from noisy, modulo-2π mapped phase ‘observations’. Phase unwrapping is the central key element in any kind of interferometric application. Nearly all known phase unwrapping techniques try to unwrap the mapped phases by a sequence of differentiating, taking the… (More)
DOI: 10.1109/ICASSP.1997.595381

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