Real World Objects in GEOBIA through the Exploitation of Existing Digital Cartography and Image Segmentation

Smith, Geoffrey M.; Morton, R. Daniel. 2010 Real World Objects in GEOBIA through the Exploitation of Existing Digital Cartography and Image Segmentation. Photogrammetric Engineering & Remote Sensing, 76 (2). 163-171.

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Descriptions of Geographic Object-Based Image Analysis (GEOBIA) often identify image segmentation as the initial step. This may be reasonable in some cases, but segmentation might also be considered a “black art,” due to its image dependence and the limited amount control available to users. The resulting segments reflect the spectral structure of the image rather than the physical structure of the landscape with no one-to-one relationship between real world objects and segments. Geographic analysis often begins in the context of existing mapping. In regions with high quality large scale cartography, an obvious question is why is this information not used in the GEOBIA process? It is therefore proposed that GEOBIA be redefined to use the best existing real world feature datasets as the starting point before segmentation is considered. Such an approach would increase opportunities for integration, improve map update initiatives, and widen uptake by end user communities.

Item Type: Publication - Article
Programmes: CEH Topics & Objectives 2009 - 2012 > Biodiversity
CEH Programmes pre-2009 publications > Environmental Informatics
CEH Programmes pre-2009 publications > Biodiversity
CEH Topics & Objectives 2009 - 2012 > EIDC Topic 1 - Providing Access to Coordinated Data Resources and Informatics Tools
UKCEH and CEH Sections/Science Areas: Parr
ISSN: 0099-1112
NORA Subject Terms: Computer Science
Earth Sciences
Date made live: 25 May 2010 13:03 +0 (UTC)

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