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  • 标题:Object fate analysis - a virtual overlay method for the categorisation of object transition and object-based accuracy assessment
  • 本地全文:下载
  • 作者:E. SCHÖPFER ; S. LANG
  • 期刊名称:ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
  • 印刷版ISSN:2194-9042
  • 电子版ISSN:2194-9050
  • 出版年度:2006
  • 卷号:XXXVI-4/C42
  • 出版社:Copernicus Publications
  • 摘要:Land use often changes considerably due to shifts in political and societal systems. The border zone between Austria and Hungary (the former Iron Curtain zone) is an outstanding example for these socio-politically driven changes of land use patterns. This paper discusses a methodology to assess temporal changes, which occurred in three 2500 ha test sites near Lake Fert. between 1985 (t 0 ) and 2000 (t 1 ), regarding altered arrangements of agricultural fields. By using Landsat TM and ETM+ imagery, changes were evaluated and quantified field-specific, i.e. comparing the spatial characteristics of t 0 and t 1 fields and categorizing their 'fate' through time. Object fate analysis has been used to examine spatial changes of the t 0 fields by investigating the topological relationships between t 0 and t 1 fields. Two indices, object loyalty (OL) and interference (I), were introduced as field-specific measures to characterise field stability
  • 关键词:GIS; interference; object-based change detection; object loyalty; remote sensing; spatial relations
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