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eess.IV2025
Modifying Range-Doppler geometry frameworks to process Spotlight SAR imagery in Polar Format
Piyush S. Agram
We present a simple method to enable processing of Spotlight Synthetic Aperture Radar (SAR) imagery distributed in Polar Format (PFA) using standard Range-Doppler (RDA) geometry al…
eess.IV2024
Deformation monitoring with Sentinel-1 Wave mode data
Piyush S. Agram, Matthew T. Calef, Kelly M. Olsen +2
We describe the salient characteristics of Sentinel-1 wave (WV) mode vignettes. We describe our approach for working with WV mode data that enables vignette-based data access and p…
eess.IV2024
Merging Point Data for InSAR Deformation Processing
Matthew T. Calef, Kelly M. Olsen, Piyush S. Agram
Given a collection of points , which is partitioned into overlapping subsets , and approximate data associated with t…