Quantized compression of SAR data: Bounds on signal fidelity, InSAR PS candidates identification and surface motion accuracy

•Novel compression of complex SAR image separating amplitude and phase components.•Compression algorithm achieves lossless performance for amplitude and phase.•Good agreement between PS selected from compressed and original images.•Linear velocity estimation discrepancy using compressed images is...

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Veröffentlicht in:	International journal of applied earth observation and geoinformation 2023-12, Vol.125, p.103548, Article 103548
Hauptverfasser:	Yip, Man Wai, Webb, A. Alexander G., González, Pablo J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Climate change confidence interval deformation Environmentally-responsible Big data processing InSAR precision interferometry land cover Pearl River region deformation mapping satellites Sentinel-1 SAR data compression spatial data synthetic aperture radar time series analysis topography
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	•Novel compression of complex SAR image separating amplitude and phase components.•Compression algorithm achieves lossless performance for amplitude and phase.•Good agreement between PS selected from compressed and original images.•Linear velocity estimation discrepancy using compressed images is
ISSN:	1569-8432 1872-826X
DOI:	10.1016/j.jag.2023.103548