Let's Do the Time Warp: Multicomponent Nonlinear Motion Estimation in Differential SAR Tomography

@article{Zhu2011LetsDT,
  title={Let's Do the Time Warp: Multicomponent Nonlinear Motion Estimation in Differential SAR Tomography},
  author={Xiaoxiang Zhu and Richard Bamler},
  journal={IEEE Geoscience and Remote Sensing Letters},
  year={2011},
  volume={8},
  pages={735-739}
}
In the differential synthetic aperture radar tomography (D-TomoSAR) system model, the motion history appears as a phase term. In the case of nonlinear motion, this phase term is no longer linear and, hence, cannot be retrieved by spectral estimation. We propose the “time warp” method that rearranges the acquisition dates such that a linear motion is pretended. The multicomponent generalization of time warp rewrites the D-TomoSAR system model to an (M + 1)-dimensional standard spectral… CONTINUE READING
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