A. Hooper, P. Segall, and H. Zebker, "Persistent scatterer InSAR for crustal deformation analysis, with application to Volcán Alcedo, Galápagos," J. Geophys. Res. 112, B07407 (2007).

[CrossRef]

M. F. Salfity, P. D. Ruiz, J. M. Huntley, M. J. Graves, R. Cusack, and D. A. Beauregard, "Branch cut surface placement for unwrapping of undersampled three-dimensional phase data: application to magnetic resonance imaging arterial flow mapping," Appl. Opt. 45, 2711-2722 (2006).

[CrossRef]
[PubMed]

M. F. Salfity, J. M. Huntley, M. J. Graves, O. Marklund, R. Cusack, and D. A. Beauregard, "Extending the dynamic range of phase contrast magnetic resonance velocity imaging using advanced higher-dimensional phase unwrapping algorithms," J. R. Soc., Interface 3, 415-427 (2006).

[CrossRef]

A. Hooper, H. Zebker, P. Segall, and B. Kampes, "A new method for measuring deformation on volcanoes and other natural terrains using InSAR persistent scatterers," Geophys. Res. Lett. 31, 611-615 (2004).

[CrossRef]

D. A. Schmidt and R. Bürgmann, "Time-dependent land uplift and subsidence in the Santa Clara valley, California, from a large interferometric synthetic aperture radar data set," J. Geophys. Res. 108, 2416-2428 (2003).

[CrossRef]

M. Jenkinson, "Fast, automated N-dimensional phase-unwrapping algorithm," Magn. Reson. Med. 49, 193-197 (2003).

[CrossRef]
[PubMed]

M. Battaglia, P. Segall, J. Murray, P. Cervell, and J. Langbein, "The mechanics of unrest at Long Valley caldera, California: 1. Modeling the geometry of the source using GPS, leveling and two-color EDM data," J. Volcanol. Geotherm. Res. 127, 195-217 (2003).

[CrossRef]

R. Cusack and N. Papadakis, "New robust 3D phase unwrapping algorithm: Application to magnetic field mapping and undistorting echo-planar images," Neuroimage 16, 754-764 (2002).

[CrossRef]
[PubMed]

P. Berardino, G. Fornaro, R. Lanari, and E. Sansosti, "A new algorithm for surface deformation monitoring based on small baseline differential SAR interferograms," IEEE Trans. Geosci. Remote Sens. 40, 2375-2383 (2002).

[CrossRef]

C. W. Chen and H. A. Zebker, "Two-dimensional phase unwrapping with use of statistical models for cost functions in nonlinear optimization," J. Opt. Soc. Am. A 18, 338-351 (2001).

[CrossRef]

A. Ferretti, C. Prati, and F. Rocca, "Permanent scatterers in SAR interferometry," IEEE Trans. Geosci. Remote Sens. 39, 8-20 (2001).

[CrossRef]

J. M. Huntley, "Three-dimensional noise-immune phase unwrapping algorithm," Appl. Opt. 40, 3901-3908 (2001).

[CrossRef]

Y. Fialko, M. Simons, and Y. Khazan, "Finite source modelling of magmatic unrest in Socorro, New Mexico, and Long Valley, California," Geophys. J. Int. 146, 191-200 (2001).

[CrossRef]

R. Bamler, N. Adam, G. W. Davidson, and D. Just, "Noise-induced slope distortion in 2-D phase unwrapping by linear estimators with application to SAR interferometry," IEEE Trans. Geosci. Remote Sens. 36, 913-921 (1998).

[CrossRef]

M. Costantini, "A novel phase unwrapping method based on network programming," IEEE Trans. Geosci. Remote Sens. 36, 813-821 (1998).

[CrossRef]

H. A. Zebker and Y. P. Lu, "Phase unwrapping algorithms for radar interferometry: residue-cut, least-squares, and synthesis algorithms, J. Opt. Soc. Am. A 15, 586-598 (1998).

[CrossRef]

R. M. Goldstein and C. L. Werner, "Radar interferogram filtering for geophysical applications," Geophys. Res. Lett. 25, 4035-4038 (1998).

[CrossRef]

K. Brakke, "The surface evolver," Exp. Math. 1, 141-165 (1992).

R. M. Goldstein, H. A. Zebker, and C. L. Werner, "Satellite radar interferometry: two-dimensional phase unwrapping," Radio Sci. 23, 713-720 (1988).

[CrossRef]

K. Mogi, "Relations between the eruptions of various volcanoes and the deformations of the ground surfaces around them," Bull. Earthquake Res. Inst., Univ. Tokyo 36, 111-123 (1958).

R. Bamler, N. Adam, G. W. Davidson, and D. Just, "Noise-induced slope distortion in 2-D phase unwrapping by linear estimators with application to SAR interferometry," IEEE Trans. Geosci. Remote Sens. 36, 913-921 (1998).

[CrossRef]

R. Bamler, N. Adam, G. W. Davidson, and D. Just, "Noise-induced slope distortion in 2-D phase unwrapping by linear estimators with application to SAR interferometry," IEEE Trans. Geosci. Remote Sens. 36, 913-921 (1998).

[CrossRef]

M. Battaglia, P. Segall, J. Murray, P. Cervell, and J. Langbein, "The mechanics of unrest at Long Valley caldera, California: 1. Modeling the geometry of the source using GPS, leveling and two-color EDM data," J. Volcanol. Geotherm. Res. 127, 195-217 (2003).

[CrossRef]

M. F. Salfity, J. M. Huntley, M. J. Graves, O. Marklund, R. Cusack, and D. A. Beauregard, "Extending the dynamic range of phase contrast magnetic resonance velocity imaging using advanced higher-dimensional phase unwrapping algorithms," J. R. Soc., Interface 3, 415-427 (2006).

[CrossRef]

M. F. Salfity, P. D. Ruiz, J. M. Huntley, M. J. Graves, R. Cusack, and D. A. Beauregard, "Branch cut surface placement for unwrapping of undersampled three-dimensional phase data: application to magnetic resonance imaging arterial flow mapping," Appl. Opt. 45, 2711-2722 (2006).

[CrossRef]
[PubMed]

P. Berardino, G. Fornaro, R. Lanari, and E. Sansosti, "A new algorithm for surface deformation monitoring based on small baseline differential SAR interferograms," IEEE Trans. Geosci. Remote Sens. 40, 2375-2383 (2002).

[CrossRef]

K. Brakke, "The surface evolver," Exp. Math. 1, 141-165 (1992).

D. A. Schmidt and R. Bürgmann, "Time-dependent land uplift and subsidence in the Santa Clara valley, California, from a large interferometric synthetic aperture radar data set," J. Geophys. Res. 108, 2416-2428 (2003).

[CrossRef]

M. Battaglia, P. Segall, J. Murray, P. Cervell, and J. Langbein, "The mechanics of unrest at Long Valley caldera, California: 1. Modeling the geometry of the source using GPS, leveling and two-color EDM data," J. Volcanol. Geotherm. Res. 127, 195-217 (2003).

[CrossRef]

M. Costantini, "A novel phase unwrapping method based on network programming," IEEE Trans. Geosci. Remote Sens. 36, 813-821 (1998).

[CrossRef]

M. Costantini and P. A. Rosen, "Generalized phase unwrapping approach for sparse data," in Proceedings of the IEEE 1999 International Geoscience and Remote Sensing Symposium (IGARSS) (IEEE1999), Vol. 1, pp. 267-269.

M. F. Salfity, J. M. Huntley, M. J. Graves, O. Marklund, R. Cusack, and D. A. Beauregard, "Extending the dynamic range of phase contrast magnetic resonance velocity imaging using advanced higher-dimensional phase unwrapping algorithms," J. R. Soc., Interface 3, 415-427 (2006).

[CrossRef]

M. F. Salfity, P. D. Ruiz, J. M. Huntley, M. J. Graves, R. Cusack, and D. A. Beauregard, "Branch cut surface placement for unwrapping of undersampled three-dimensional phase data: application to magnetic resonance imaging arterial flow mapping," Appl. Opt. 45, 2711-2722 (2006).

[CrossRef]
[PubMed]

R. Cusack and N. Papadakis, "New robust 3D phase unwrapping algorithm: Application to magnetic field mapping and undistorting echo-planar images," Neuroimage 16, 754-764 (2002).

[CrossRef]
[PubMed]

O. Marklund, J. M. Huntley, and R. Cusack, "Robust unwrapping algorithm for 3-D phase volumes of arbitrary shape containing knotted phase singularity loops," research report (Luleå University of Technology, 2005).

R. Bamler, N. Adam, G. W. Davidson, and D. Just, "Noise-induced slope distortion in 2-D phase unwrapping by linear estimators with application to SAR interferometry," IEEE Trans. Geosci. Remote Sens. 36, 913-921 (1998).

[CrossRef]

A. Ferretti, C. Prati, and F. Rocca, "Permanent scatterers in SAR interferometry," IEEE Trans. Geosci. Remote Sens. 39, 8-20 (2001).

[CrossRef]

Y. Fialko, M. Simons, and Y. Khazan, "Finite source modelling of magmatic unrest in Socorro, New Mexico, and Long Valley, California," Geophys. J. Int. 146, 191-200 (2001).

[CrossRef]

P. Berardino, G. Fornaro, R. Lanari, and E. Sansosti, "A new algorithm for surface deformation monitoring based on small baseline differential SAR interferograms," IEEE Trans. Geosci. Remote Sens. 40, 2375-2383 (2002).

[CrossRef]

R. M. Goldstein and C. L. Werner, "Radar interferogram filtering for geophysical applications," Geophys. Res. Lett. 25, 4035-4038 (1998).

[CrossRef]

R. M. Goldstein, H. A. Zebker, and C. L. Werner, "Satellite radar interferometry: two-dimensional phase unwrapping," Radio Sci. 23, 713-720 (1988).

[CrossRef]

M. F. Salfity, J. M. Huntley, M. J. Graves, O. Marklund, R. Cusack, and D. A. Beauregard, "Extending the dynamic range of phase contrast magnetic resonance velocity imaging using advanced higher-dimensional phase unwrapping algorithms," J. R. Soc., Interface 3, 415-427 (2006).

[CrossRef]

M. F. Salfity, P. D. Ruiz, J. M. Huntley, M. J. Graves, R. Cusack, and D. A. Beauregard, "Branch cut surface placement for unwrapping of undersampled three-dimensional phase data: application to magnetic resonance imaging arterial flow mapping," Appl. Opt. 45, 2711-2722 (2006).

[CrossRef]
[PubMed]

R. F. Hanssen, Radar Interferometry Data Interpretation and Error Analysis (Springer, 2001).

A. Hooper, P. Segall, and H. Zebker, "Persistent scatterer InSAR for crustal deformation analysis, with application to Volcán Alcedo, Galápagos," J. Geophys. Res. 112, B07407 (2007).

[CrossRef]

A. Hooper, H. Zebker, P. Segall, and B. Kampes, "A new method for measuring deformation on volcanoes and other natural terrains using InSAR persistent scatterers," Geophys. Res. Lett. 31, 611-615 (2004).

[CrossRef]

M. F. Salfity, P. D. Ruiz, J. M. Huntley, M. J. Graves, R. Cusack, and D. A. Beauregard, "Branch cut surface placement for unwrapping of undersampled three-dimensional phase data: application to magnetic resonance imaging arterial flow mapping," Appl. Opt. 45, 2711-2722 (2006).

[CrossRef]
[PubMed]

M. F. Salfity, J. M. Huntley, M. J. Graves, O. Marklund, R. Cusack, and D. A. Beauregard, "Extending the dynamic range of phase contrast magnetic resonance velocity imaging using advanced higher-dimensional phase unwrapping algorithms," J. R. Soc., Interface 3, 415-427 (2006).

[CrossRef]

J. M. Huntley, "Three-dimensional noise-immune phase unwrapping algorithm," Appl. Opt. 40, 3901-3908 (2001).

[CrossRef]

O. Marklund, J. M. Huntley, and R. Cusack, "Robust unwrapping algorithm for 3-D phase volumes of arbitrary shape containing knotted phase singularity loops," research report (Luleå University of Technology, 2005).

M. Jenkinson, "Fast, automated N-dimensional phase-unwrapping algorithm," Magn. Reson. Med. 49, 193-197 (2003).

[CrossRef]
[PubMed]

R. Bamler, N. Adam, G. W. Davidson, and D. Just, "Noise-induced slope distortion in 2-D phase unwrapping by linear estimators with application to SAR interferometry," IEEE Trans. Geosci. Remote Sens. 36, 913-921 (1998).

[CrossRef]

A. Hooper, H. Zebker, P. Segall, and B. Kampes, "A new method for measuring deformation on volcanoes and other natural terrains using InSAR persistent scatterers," Geophys. Res. Lett. 31, 611-615 (2004).

[CrossRef]

B. M. Kampes, "Displacement parameter estimation using permanent scatterer interferometry," Ph.D. dissertation (Delft University of Technology, 2005).

Y. Fialko, M. Simons, and Y. Khazan, "Finite source modelling of magmatic unrest in Socorro, New Mexico, and Long Valley, California," Geophys. J. Int. 146, 191-200 (2001).

[CrossRef]

P. Berardino, G. Fornaro, R. Lanari, and E. Sansosti, "A new algorithm for surface deformation monitoring based on small baseline differential SAR interferograms," IEEE Trans. Geosci. Remote Sens. 40, 2375-2383 (2002).

[CrossRef]

M. Battaglia, P. Segall, J. Murray, P. Cervell, and J. Langbein, "The mechanics of unrest at Long Valley caldera, California: 1. Modeling the geometry of the source using GPS, leveling and two-color EDM data," J. Volcanol. Geotherm. Res. 127, 195-217 (2003).

[CrossRef]

M. F. Salfity, J. M. Huntley, M. J. Graves, O. Marklund, R. Cusack, and D. A. Beauregard, "Extending the dynamic range of phase contrast magnetic resonance velocity imaging using advanced higher-dimensional phase unwrapping algorithms," J. R. Soc., Interface 3, 415-427 (2006).

[CrossRef]

O. Marklund, J. M. Huntley, and R. Cusack, "Robust unwrapping algorithm for 3-D phase volumes of arbitrary shape containing knotted phase singularity loops," research report (Luleå University of Technology, 2005).

K. Mogi, "Relations between the eruptions of various volcanoes and the deformations of the ground surfaces around them," Bull. Earthquake Res. Inst., Univ. Tokyo 36, 111-123 (1958).

M. Battaglia, P. Segall, J. Murray, P. Cervell, and J. Langbein, "The mechanics of unrest at Long Valley caldera, California: 1. Modeling the geometry of the source using GPS, leveling and two-color EDM data," J. Volcanol. Geotherm. Res. 127, 195-217 (2003).

[CrossRef]

R. Cusack and N. Papadakis, "New robust 3D phase unwrapping algorithm: Application to magnetic field mapping and undistorting echo-planar images," Neuroimage 16, 754-764 (2002).

[CrossRef]
[PubMed]

A. Ferretti, C. Prati, and F. Rocca, "Permanent scatterers in SAR interferometry," IEEE Trans. Geosci. Remote Sens. 39, 8-20 (2001).

[CrossRef]

D. C. Ghiglia and M. D. Pritt, Two-Dimensional Phase Unwrapping: Theory, Algorithms and Software (Wiley, 1998).

A. Ferretti, C. Prati, and F. Rocca, "Permanent scatterers in SAR interferometry," IEEE Trans. Geosci. Remote Sens. 39, 8-20 (2001).

[CrossRef]

M. Costantini and P. A. Rosen, "Generalized phase unwrapping approach for sparse data," in Proceedings of the IEEE 1999 International Geoscience and Remote Sensing Symposium (IGARSS) (IEEE1999), Vol. 1, pp. 267-269.

M. F. Salfity, P. D. Ruiz, J. M. Huntley, M. J. Graves, R. Cusack, and D. A. Beauregard, "Branch cut surface placement for unwrapping of undersampled three-dimensional phase data: application to magnetic resonance imaging arterial flow mapping," Appl. Opt. 45, 2711-2722 (2006).

[CrossRef]
[PubMed]

M. F. Salfity, J. M. Huntley, M. J. Graves, O. Marklund, R. Cusack, and D. A. Beauregard, "Extending the dynamic range of phase contrast magnetic resonance velocity imaging using advanced higher-dimensional phase unwrapping algorithms," J. R. Soc., Interface 3, 415-427 (2006).

[CrossRef]

P. Berardino, G. Fornaro, R. Lanari, and E. Sansosti, "A new algorithm for surface deformation monitoring based on small baseline differential SAR interferograms," IEEE Trans. Geosci. Remote Sens. 40, 2375-2383 (2002).

[CrossRef]

D. A. Schmidt and R. Bürgmann, "Time-dependent land uplift and subsidence in the Santa Clara valley, California, from a large interferometric synthetic aperture radar data set," J. Geophys. Res. 108, 2416-2428 (2003).

[CrossRef]

A. Hooper, P. Segall, and H. Zebker, "Persistent scatterer InSAR for crustal deformation analysis, with application to Volcán Alcedo, Galápagos," J. Geophys. Res. 112, B07407 (2007).

[CrossRef]

A. Hooper, H. Zebker, P. Segall, and B. Kampes, "A new method for measuring deformation on volcanoes and other natural terrains using InSAR persistent scatterers," Geophys. Res. Lett. 31, 611-615 (2004).

[CrossRef]

M. Battaglia, P. Segall, J. Murray, P. Cervell, and J. Langbein, "The mechanics of unrest at Long Valley caldera, California: 1. Modeling the geometry of the source using GPS, leveling and two-color EDM data," J. Volcanol. Geotherm. Res. 127, 195-217 (2003).

[CrossRef]

Y. Fialko, M. Simons, and Y. Khazan, "Finite source modelling of magmatic unrest in Socorro, New Mexico, and Long Valley, California," Geophys. J. Int. 146, 191-200 (2001).

[CrossRef]

R. M. Goldstein and C. L. Werner, "Radar interferogram filtering for geophysical applications," Geophys. Res. Lett. 25, 4035-4038 (1998).

[CrossRef]

R. M. Goldstein, H. A. Zebker, and C. L. Werner, "Satellite radar interferometry: two-dimensional phase unwrapping," Radio Sci. 23, 713-720 (1988).

[CrossRef]

A. Hooper, P. Segall, and H. Zebker, "Persistent scatterer InSAR for crustal deformation analysis, with application to Volcán Alcedo, Galápagos," J. Geophys. Res. 112, B07407 (2007).

[CrossRef]

A. Hooper, H. Zebker, P. Segall, and B. Kampes, "A new method for measuring deformation on volcanoes and other natural terrains using InSAR persistent scatterers," Geophys. Res. Lett. 31, 611-615 (2004).

[CrossRef]

C. W. Chen and H. A. Zebker, "Two-dimensional phase unwrapping with use of statistical models for cost functions in nonlinear optimization," J. Opt. Soc. Am. A 18, 338-351 (2001).

[CrossRef]

C. W. Chen and H. A. Zebker, "Network approaches to two-dimensional phase unwrapping: intractability and two new algorithms," J. Opt. Soc. Am. A 17, 401-414 (2000).

[CrossRef]

H. A. Zebker and Y. P. Lu, "Phase unwrapping algorithms for radar interferometry: residue-cut, least-squares, and synthesis algorithms, J. Opt. Soc. Am. A 15, 586-598 (1998).

[CrossRef]

R. M. Goldstein, H. A. Zebker, and C. L. Werner, "Satellite radar interferometry: two-dimensional phase unwrapping," Radio Sci. 23, 713-720 (1988).

[CrossRef]

J. M. Huntley, "Three-dimensional noise-immune phase unwrapping algorithm," Appl. Opt. 40, 3901-3908 (2001).

[CrossRef]

M. F. Salfity, P. D. Ruiz, J. M. Huntley, M. J. Graves, R. Cusack, and D. A. Beauregard, "Branch cut surface placement for unwrapping of undersampled three-dimensional phase data: application to magnetic resonance imaging arterial flow mapping," Appl. Opt. 45, 2711-2722 (2006).

[CrossRef]
[PubMed]

K. Mogi, "Relations between the eruptions of various volcanoes and the deformations of the ground surfaces around them," Bull. Earthquake Res. Inst., Univ. Tokyo 36, 111-123 (1958).

K. Brakke, "The surface evolver," Exp. Math. 1, 141-165 (1992).

Y. Fialko, M. Simons, and Y. Khazan, "Finite source modelling of magmatic unrest in Socorro, New Mexico, and Long Valley, California," Geophys. J. Int. 146, 191-200 (2001).

[CrossRef]

R. M. Goldstein and C. L. Werner, "Radar interferogram filtering for geophysical applications," Geophys. Res. Lett. 25, 4035-4038 (1998).

[CrossRef]

A. Hooper, H. Zebker, P. Segall, and B. Kampes, "A new method for measuring deformation on volcanoes and other natural terrains using InSAR persistent scatterers," Geophys. Res. Lett. 31, 611-615 (2004).

[CrossRef]

P. Berardino, G. Fornaro, R. Lanari, and E. Sansosti, "A new algorithm for surface deformation monitoring based on small baseline differential SAR interferograms," IEEE Trans. Geosci. Remote Sens. 40, 2375-2383 (2002).

[CrossRef]

M. Costantini, "A novel phase unwrapping method based on network programming," IEEE Trans. Geosci. Remote Sens. 36, 813-821 (1998).

[CrossRef]

R. Bamler, N. Adam, G. W. Davidson, and D. Just, "Noise-induced slope distortion in 2-D phase unwrapping by linear estimators with application to SAR interferometry," IEEE Trans. Geosci. Remote Sens. 36, 913-921 (1998).

[CrossRef]

A. Ferretti, C. Prati, and F. Rocca, "Permanent scatterers in SAR interferometry," IEEE Trans. Geosci. Remote Sens. 39, 8-20 (2001).

[CrossRef]

D. A. Schmidt and R. Bürgmann, "Time-dependent land uplift and subsidence in the Santa Clara valley, California, from a large interferometric synthetic aperture radar data set," J. Geophys. Res. 108, 2416-2428 (2003).

[CrossRef]

A. Hooper, P. Segall, and H. Zebker, "Persistent scatterer InSAR for crustal deformation analysis, with application to Volcán Alcedo, Galápagos," J. Geophys. Res. 112, B07407 (2007).

[CrossRef]

H. A. Zebker and Y. P. Lu, "Phase unwrapping algorithms for radar interferometry: residue-cut, least-squares, and synthesis algorithms, J. Opt. Soc. Am. A 15, 586-598 (1998).

[CrossRef]

C. W. Chen and H. A. Zebker, "Two-dimensional phase unwrapping with use of statistical models for cost functions in nonlinear optimization," J. Opt. Soc. Am. A 18, 338-351 (2001).

[CrossRef]

D. C. Ghiglia and L. A. Romero, "Minimum Lp-norm two-dimensional phase unwrapping," J. Opt. Soc. Am. A 13, 1999-2013 (1996).

[CrossRef]

C. W. Chen and H. A. Zebker, "Network approaches to two-dimensional phase unwrapping: intractability and two new algorithms," J. Opt. Soc. Am. A 17, 401-414 (2000).

[CrossRef]

M. F. Salfity, J. M. Huntley, M. J. Graves, O. Marklund, R. Cusack, and D. A. Beauregard, "Extending the dynamic range of phase contrast magnetic resonance velocity imaging using advanced higher-dimensional phase unwrapping algorithms," J. R. Soc., Interface 3, 415-427 (2006).

[CrossRef]

M. Battaglia, P. Segall, J. Murray, P. Cervell, and J. Langbein, "The mechanics of unrest at Long Valley caldera, California: 1. Modeling the geometry of the source using GPS, leveling and two-color EDM data," J. Volcanol. Geotherm. Res. 127, 195-217 (2003).

[CrossRef]

M. Jenkinson, "Fast, automated N-dimensional phase-unwrapping algorithm," Magn. Reson. Med. 49, 193-197 (2003).

[CrossRef]
[PubMed]

R. Cusack and N. Papadakis, "New robust 3D phase unwrapping algorithm: Application to magnetic field mapping and undistorting echo-planar images," Neuroimage 16, 754-764 (2002).

[CrossRef]
[PubMed]

R. M. Goldstein, H. A. Zebker, and C. L. Werner, "Satellite radar interferometry: two-dimensional phase unwrapping," Radio Sci. 23, 713-720 (1988).

[CrossRef]

B. M. Kampes, "Displacement parameter estimation using permanent scatterer interferometry," Ph.D. dissertation (Delft University of Technology, 2005).

O. Marklund, J. M. Huntley, and R. Cusack, "Robust unwrapping algorithm for 3-D phase volumes of arbitrary shape containing knotted phase singularity loops," research report (Luleå University of Technology, 2005).

C. W. Chen, "Statistical-cost network-flow approaches to two-dimensional phase unwrapping for radar interferometry," Ph.D. dissertation (Stanford University, 2001).

D. C. Ghiglia and M. D. Pritt, Two-Dimensional Phase Unwrapping: Theory, Algorithms and Software (Wiley, 1998).

M. Costantini and P. A. Rosen, "Generalized phase unwrapping approach for sparse data," in Proceedings of the IEEE 1999 International Geoscience and Remote Sensing Symposium (IGARSS) (IEEE1999), Vol. 1, pp. 267-269.

R. F. Hanssen, Radar Interferometry Data Interpretation and Error Analysis (Springer, 2001).