Change detection of small objects and linear features in multi-temporal polarimetric images

Wolfgang Dierking, Jesper Schou, Henning Skriver

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    Abstract

    A SAR image sequence acquired over several months was used to study temporal variations of radar signatures of object classes which are relevant for updating topographic maps. For the selected object classes (buildings, roads, and hedgerows), the average pixel-to-pixel intensity variations are relatively stable over time intervals between data acquisitions from one month to one year. The threshold to be set in order to distinguish relevant changes from inherent signature variations decreases considerably, if signature mean values of individual objects are compared to each other rather than the signature values of individual pixels.
    Original languageEnglish
    Title of host publicationProceedings of the International Geoscience and Remote Sensing Symposium IGARSS 2000
    Volume4
    Place of PublicationHonolulu, HI
    PublisherIEEE
    Publication date2000
    Pages1693-1695
    ISBN (Print)0-7803-6359-0
    DOIs
    Publication statusPublished - 2000
    EventIEEE 2000 International Geoscience and Remote Sensing Symposium - Honolulu, HI, United States
    Duration: 24 Jul 200028 Jul 2000
    http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=6913

    Conference

    ConferenceIEEE 2000 International Geoscience and Remote Sensing Symposium
    Country/TerritoryUnited States
    CityHonolulu, HI
    Period24/07/200028/07/2000
    Internet address

    Bibliographical note

    Copyright: 2000 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE

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