articleInternational Journal of Geographical Information SystemsMar 3, 2010BRONZE OA

ESP: a tool to estimate scale parameter for multiresolution image segmentation of remotely sensed data

LDLucian DrăguţDTDirk TiedeSRShaun R. Levick

University of Salzburg · West University of Timişoara · +1 more institution

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Abstract

The spatial resolution of imaging sensors has increased dramatically in recent years, and so too have the challenges associated with extracting meaningful information from their data products. Object-based image analysis (OBIA) is gaining rapid popularity in remote sensing science as a means of bridging very high spatial resolution (VHSR) imagery and GIS. Multiscalar image segmentation is a fundamental step in OBIA, yet there is currently no tool available to objectively guide the selection of appropriate scales for segmentation. We present a technique for estimating the scale parameter in image segmentation of remotely sensed data with Definiens Developer®. The degree of heterogeneity within an image-object…

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800
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3

Topics & keywords

Topics
Keywords
  • Segmentation
  • Computer science
  • Scale (ratio)
  • Image segmentation
  • Artificial intelligence
  • Scale-space segmentation
  • Segmentation-based object categorization
  • Image resolution
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