Parametric estimation of time varying baselines in airborne interferometric SAR

Johan Jacob Mohr, Søren Nørvang Madsen

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    Abstract

    A method for estimation of time varying spatial baselines in airborne interferometric synthetic aperture radar (SAR) is described. The range and azimuth distortions between two images acquired with a non-linear baseline are derived. A parametric model of the baseline is then, in a least square sense, estimated from image shifts obtained by cross correlation of numerous small patches throughout the image. The method has been applied to airborne EMISAR imagery from the 1995 campaign over the Storstrommen Glacier in North East Greenland conducted by the Danish Center for Remote Sensing. This has reduced the baseline uncertainties from several meters to the centimeter level in a 36 km scene. Though developed for airborne SAR the method can easily be adopted to satellite data
    Original languageEnglish
    Title of host publicationProceedings of the International Geoscience and Remote Sensing Symposium : Remote Sensing for a Sustainable Future
    VolumeVolume 1
    PublisherIEEE
    Publication date1996
    Pages677-679
    ISBN (Print)07-80-33068-4
    DOIs
    Publication statusPublished - 1996
    Event1996 International Geoscience and Remote Sensing Symposium: Remote Sensing for a Sustainable Future - Lincoln, NE, United States
    Duration: 21 May 199626 May 1996
    http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=3772

    Conference

    Conference1996 International Geoscience and Remote Sensing Symposium
    CountryUnited States
    CityLincoln, NE
    Period21/05/199626/05/1996
    Internet address

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