Comparison of Global and Local Approach to Phase Unwrapping for Rugged Terrain

Details Comparison of Global and Local Approach to Phase Unwrapping for Rugged Terrain Comparison of Global and Local Approach to Phase Unwrapping for Rugged Terrain

Jun 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004esasp.550e..46z&link_type=abstract

Proceedings of the FRINGE 2003 Workshop (ESA SP-550). 1-5 December 2003, ESA/ESRIN, Frascati, Italy. Editor: H. Lacoste. Publish

Physics

Scientific paper

/ Phase unwrapping is the most informal step of the interferometric SAR processing for calculation of digital elevation model. Present algorithms use two ways for resolving this problem: local and global approach. In this paper we analyze efficacy of three phase unwrapping methods (and their modifications) using standard ERS SAR scene for the Baikal Lake region (the Barguzin valley with mountainous surrounding). We estimate advantages and disadvantages of both approaches .

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