Nonlinear subsidence rate estimation using permanent scatterers in differential SAR interferometry

@article{Ferretti2000NonlinearSR,
  title={Nonlinear subsidence rate estimation using permanent scatterers in differential SAR interferometry},
  author={Alessandro Ferretti and Claudio Maria Prati and Fabio Rocca},
  journal={IEEE Trans. Geosci. Remote. Sens.},
  year={2000},
  volume={38},
  pages={2202-2212}
}
Discrete and temporarily stable natural reflectors or permanent scatterers (PS) can be identified from long temporal series of interferometric SAR images even with baselines larger than the so-called critical baseline. [] Key Method A new approach to the estimation of the atmospheric phase contributions, and the local displacement field is proposed based on simple statistical assumptions. New solutions are presented in order to cope with nonlinear motion of the targets.

Long-term subsidence monitoring of urban areas using differential interferometric SAR techniques

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A comparison of PS (permanent scatterers) and DInSAR (differential interferometric SAR) techniques using ERS data is presented, finding that both techniques can deal with incoherent areas, generating subsidence information of the whole image.

Permanent scatterers in SAR interferometry

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  • 1999
The authors present a complete procedure for the identification and exploitation of stable natural reflectors or permanent scatterers (PSs) starting from long temporal series of interferometric SAR images.

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