Abstract
Interferometric Synthetic Aperture Radar (INSAR) allows for production of high resolution DEM and detection of small earth deformation using multiple-pass SAR data sets. The automatic algorithm for registration of the INSAR data is one of the key points for improving both accuracy and efficiency. In this paper, an automatic approach based on multi-step matching strategy is presented and only intensity components of SLC images are involved in relevant computation. Both probability relaxation and Least-Square Matching (LSM) algorithms have been introduced to maintain reliability and improve accuracy. All the procedures could be automatically implemented. Primary results are promising and reveal the potential for operational INSAR data processing.
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