Correction of DInSAR noise using GNSS measurements

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Abstract

Differential SAR interferograms map the ground displacements with high spatial resolution. Many signals of interest, for example, those due to earthquakes and volcanic activities, are spatially correlated and are often obscured by artifacts caused by tropospheric and ionospheric fluctuations, inaccurate orbit data, and errors in the digital elevation model. In this study, a method to correct for such spatially-correlated noise in differential SAR interferograms is proposed. This method relies on a general fact that the displacements measured with the global navigation satellite systems are accurate enough. The proposed method is applied to a data set composed of long-strip (∼230 km) SAR images acquired by ALOS/PALSAR in Kinki region, Japan. It is shown that long-wavelength noise is successfully suppressed, which enables us to discuss short-wavelength features that were hidden in the original interferograms.

Original languageEnglish
Title of host publicationConference Proceedings of 2013 Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2013
Pages226-228
Number of pages3
Publication statusPublished - 2013 Dec 1
Externally publishedYes
Event2013 4th Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2013 - Tsukuba, Japan
Duration: 2013 Sep 232013 Sep 27

Publication series

NameConference Proceedings of 2013 Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2013

Other

Other2013 4th Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2013
Country/TerritoryJapan
CityTsukuba
Period13/9/2313/9/27

ASJC Scopus subject areas

  • Computer Networks and Communications

Fingerprint

Dive into the research topics of 'Correction of DInSAR noise using GNSS measurements'. Together they form a unique fingerprint.

Cite this