A fast phase unwrapping algorithm for SAR interferometry

M Costantini, A Farina, F Zirilli - IEEE Transactions on …, 1999 - ieeexplore.ieee.org
Phase unwrapping is the key problem in building the elevation map of a scene from
interferometric synthetic aperture radar (SAR) system data. Phase unwrapping consists in …

Comparison of phase unwrapping algorithms for SAR interferograms

D Just, N Adam, M Schwabisch… - … Geoscience and Remote …, 1995 - ieeexplore.ieee.org
The interest in advanced methods of remote sensing has stimulated various investigations
on interferometric synthetic aperture radar. The determination of the absolute phase from …

Phase unwrapping by means of multigrid techniques for interferometric SAR

MD Pritt - IEEE Transactions on Geoscience and Remote …, 1996 - ieeexplore.ieee.org
Weighted least squares phase unwrapping is a robust approach to phase unwrapping that
unwraps around (rather than through) regions of corrupted phase. Currently, the only …

A two-dimensional region growing least squares phase unwrapping algorithm for interferometric SAR processing

G Fornaro, E Sansosti - IEEE transactions on geoscience and …, 1999 - ieeexplore.ieee.org
This paper presents a new two-dimensional (2-D) phase unwrapping (PhU) algorithm based
on a least squares (LS) region growing strategy: the wrapped phase image is partitioned in …

A three-dimensional phase unwrapping algorithm for processing of multitemporal SAR interferometric measurements

M Costantini, F Malvarosa, F Minati… - … and Remote Sensing …, 2002 - ieeexplore.ieee.org
Phase unwrapping is the problem of reconstructing a function on a grid given its values
modulo 2/spl pi/. This is a key problem in SAR interferometry and in other fields. The typical …

A particle filter approach for InSAR phase filtering and unwrapping

JJ Martinez-Espla, T Martinez-Marin… - … on Geoscience and …, 2009 - ieeexplore.ieee.org
This paper presents a new phase-unwrapping (PU) algorithm for SAR interferometry that
makes use of a particle filter (PF) to perform simultaneously noise filtering and PU. The …

A null-space method for the phase unwrapping of multitemporal SAR interferometric stacks

G Fornaro, A Pauciullo, D Reale - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
Multitemporal differential interferometric synthetic aperture radar analysis is of fundamental
importance in the monitoring of Earth surface displacements. In this context, a key role for …

Comparison of path-following and least-squares phase unwrapping algorithms

MD Pritt - IGARSS'97. 1997 IEEE International Geoscience and …, 1997 - ieeexplore.ieee.org
This paper presents a comparative analysis of eight phase unwrapping algorithms for SAR
interferometry that, in the opinion of the author, encompass the current" state of the art" in …

Two-dimensional phase unwrapping for radar interferometry: developments and new challenges

R Gens - International Journal of Remote Sensing, 2003 - Taylor & Francis
The growing interest in the applications of synthetic aperture radar (SAR) interferometry led
to an increasing demand for reliable phase unwrapping techniques. Research efforts have …

Interferometric SAR phase unwrapping using Green's formulation

G Fornaro, G Franceschetti… - IEEE Transactions on …, 1996 - ieeexplore.ieee.org
Any method that permits retrieving full range (unwrapped) phase values starting from their (-
/spl pi/,/spl pi/) determination (wrapped phase) can be defined as a phase unwrapping …