Phase unwrapping of an SAR interferogram through interactive terrain modeling

Makoto Ono

doi:10.1117/12.262699

17 December 1996 Phase unwrapping of an SAR interferogram through interactive terrain modeling

Makoto Ono

Proceedings Volume 2958, Microwave Sensing and Synthetic Aperture Radar; (1996) https://doi.org/10.1117/12.262699
Event: Satellite Remote Sensing III, 1996, Taormina, Italy

Abstract

SAR interferometry is a promising tool to generate DEM out of SAR data taken from space. In the state of the arts technology of SAR interferometry, phase unwrapping looks only the problem to be resolved.. In phase noise free environment, phase unwrapping straightforward process to integrate local difference of phase. But this is quite rare case in actual interferometry due to the various phase noise source to distort fringes. In the integration of local phase difference, the effect of the noise is transferred to the neighboring area to jeopardize the estimated DEM. In this paper, I propose an interactive phase unwrapping method which works even under the poor fringe due to noise.

Citation Download Citation

Makoto Ono "Phase unwrapping of an SAR interferogram through interactive terrain modeling", Proc. SPIE 2958, Microwave Sensing and Synthetic Aperture Radar, (17 December 1996); https://doi.org/10.1117/12.262699

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