Abstract
In persistent scatterer (PS) interferometry, the relatively poor 3D geolocalization precision of the measurement points (the scatterers) is still a major concern. It makes it difficult to attribute the deformation measurements unambiguously to (elements of) physical objects. Ground control points (GCP's), such as corner reflectors or transponders, can be used to improve geolocalization, but only in the range-azimuth domain. Here, we present a method which uses only one GCP, visible in only one single radar acquisition, in combination with a digital surface model (DSM) data to improve the geolocation precision, and to achieve an object snap by projecting the scatterer position to the intersection with the DSM model, in the metric defined by the covariance matrix (i.e. error ellipsoid) of every scatterer.
Original language | English |
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Title of host publication | Proceedings of Living Planet Symposium 2016 |
Editors | L. Ouwehand |
Publisher | European Space Agency |
Pages | 398-398 |
Number of pages | 1 |
Volume | SP-740 |
ISBN (Electronic) | 978-92-9221305-3 |
Publication status | Published - 1 Aug 2016 |
Externally published | Yes |
Event | European Space Agency Living Planet Symposium 2016 - Prague, Czech Republic Duration: 9 May 2016 → 13 May 2016 http://lps16.esa.int/ |
Publication series
Name | European Space Agency (ESA-SP) |
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Volume | 740 |
Conference
Conference | European Space Agency Living Planet Symposium 2016 |
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Country/Territory | Czech Republic |
City | Prague |
Period | 9/05/16 → 13/05/16 |
Internet address |
Keywords
- Data visualisation
- Image processing and data fusion
- In SAR
- Interferometry