Multidimensional phase unwrapping for consistent APF estimation

Abstract

The instantaneous amplitude, phase, and frequency (APF) characterize a nonstationary signal on a fundamental level. In this paper, we seek to obtain a consistent multidimensional APF where the estimated phase and frequency agree and where the frequency can be obtained as the gradient of an analytical phase model. Currently existing multidimensional phase… (More)
DOI: 10.1109/ICIP.2005.1530091

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