Change detection in polarimetric synthetic aperture radar data

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Abstract

Based on an omnibus likelihood ratio test statistic for the equality of several variance-covariance matrices following the complex Wishart distribution and a factorization of this test statistic with associated p-values, change analysis in a time sequence of multilook polarimetric SAR data in the covariance matrix representation is carried out. The omnibus test statistic and its factorization detect if and when change occurs. Also, a measure of change direction is calculated. Using spaceborne dual polarization Sentinel-1 and full polarization Radarsat-2 data this contribution focuses on change detection based on the p-values, on visualization of change at pixel as well as segment level, and on computer software for local as well as cloud processing.
Original languageEnglish
Publication date2019
Publication statusPublished - 2019
EventNordic Remote Sensing Conference 2019 - Aarhus, Denmark
Duration: 17 Sep 201919 Sep 2019

Conference

ConferenceNordic Remote Sensing Conference 2019
CountryDenmark
CityAarhus
Period17/09/201919/09/2019

Cite this

Nielsen, A. A., Skriver, H., Conradsen, K., & Canty, M. J. (2019). Change detection in polarimetric synthetic aperture radar data. Abstract from Nordic Remote Sensing Conference 2019, Aarhus, Denmark.
Nielsen, Allan Aasbjerg ; Skriver, Henning ; Conradsen, Knut ; Canty, Morton John. / Change detection in polarimetric synthetic aperture radar data. Abstract from Nordic Remote Sensing Conference 2019, Aarhus, Denmark.
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title = "Change detection in polarimetric synthetic aperture radar data",
abstract = "Based on an omnibus likelihood ratio test statistic for the equality of several variance-covariance matrices following the complex Wishart distribution and a factorization of this test statistic with associated p-values, change analysis in a time sequence of multilook polarimetric SAR data in the covariance matrix representation is carried out. The omnibus test statistic and its factorization detect if and when change occurs. Also, a measure of change direction is calculated. Using spaceborne dual polarization Sentinel-1 and full polarization Radarsat-2 data this contribution focuses on change detection based on the p-values, on visualization of change at pixel as well as segment level, and on computer software for local as well as cloud processing.",
author = "Nielsen, {Allan Aasbjerg} and Henning Skriver and Knut Conradsen and Canty, {Morton John}",
year = "2019",
language = "English",
note = "Nordic Remote Sensing Conference 2019, NoRSC’19 ; Conference date: 17-09-2019 Through 19-09-2019",

}

Nielsen, AA, Skriver, H, Conradsen, K & Canty, MJ 2019, 'Change detection in polarimetric synthetic aperture radar data' Nordic Remote Sensing Conference 2019, Aarhus, Denmark, 17/09/2019 - 19/09/2019, .

Change detection in polarimetric synthetic aperture radar data. / Nielsen, Allan Aasbjerg; Skriver, Henning; Conradsen, Knut; Canty, Morton John.

2019. Abstract from Nordic Remote Sensing Conference 2019, Aarhus, Denmark.

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

TY - ABST

T1 - Change detection in polarimetric synthetic aperture radar data

AU - Nielsen, Allan Aasbjerg

AU - Skriver, Henning

AU - Conradsen, Knut

AU - Canty, Morton John

PY - 2019

Y1 - 2019

N2 - Based on an omnibus likelihood ratio test statistic for the equality of several variance-covariance matrices following the complex Wishart distribution and a factorization of this test statistic with associated p-values, change analysis in a time sequence of multilook polarimetric SAR data in the covariance matrix representation is carried out. The omnibus test statistic and its factorization detect if and when change occurs. Also, a measure of change direction is calculated. Using spaceborne dual polarization Sentinel-1 and full polarization Radarsat-2 data this contribution focuses on change detection based on the p-values, on visualization of change at pixel as well as segment level, and on computer software for local as well as cloud processing.

AB - Based on an omnibus likelihood ratio test statistic for the equality of several variance-covariance matrices following the complex Wishart distribution and a factorization of this test statistic with associated p-values, change analysis in a time sequence of multilook polarimetric SAR data in the covariance matrix representation is carried out. The omnibus test statistic and its factorization detect if and when change occurs. Also, a measure of change direction is calculated. Using spaceborne dual polarization Sentinel-1 and full polarization Radarsat-2 data this contribution focuses on change detection based on the p-values, on visualization of change at pixel as well as segment level, and on computer software for local as well as cloud processing.

M3 - Conference abstract for conference

ER -

Nielsen AA, Skriver H, Conradsen K, Canty MJ. Change detection in polarimetric synthetic aperture radar data. 2019. Abstract from Nordic Remote Sensing Conference 2019, Aarhus, Denmark.