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Sub-pixel land cover mapping for per-field classification

Sub-pixel land cover mapping for per-field classification
Sub-pixel land cover mapping for per-field classification
A method was developed to transform a soft land cover classification into hard land cover classes at the sub-pixel scale for subsequent per-field classification. First, image pixels were segmented using vector boundaries. Second, the pixel segments (ranked by area) were labelled with a land cover class (ranked by class typicality). Third, a hard per-field classification was generated by examining each polygon (representing a land cover parcel, or field) in its entirety (by grouping the fragments of the polygon contained within different image pixels) and assigning to it the modal land cover class. The accuracy of this technique was considerably higher than that of both a corresponding hard per-pixel classification and a per-field classification based on hard per-pixel classified imagery
0143-1161
2853-2858
Aplin, P.
a517b997-e1c1-4fcd-8eba-0c0617fcf55a
Atkinson, P.M.
96e96579-56fe-424d-a21c-17b6eed13b0b
Aplin, P.
a517b997-e1c1-4fcd-8eba-0c0617fcf55a
Atkinson, P.M.
96e96579-56fe-424d-a21c-17b6eed13b0b

Aplin, P. and Atkinson, P.M. (2001) Sub-pixel land cover mapping for per-field classification. International Journal of Remote Sensing, 22 (14), 2853-2858.

Record type: Article

Abstract

A method was developed to transform a soft land cover classification into hard land cover classes at the sub-pixel scale for subsequent per-field classification. First, image pixels were segmented using vector boundaries. Second, the pixel segments (ranked by area) were labelled with a land cover class (ranked by class typicality). Third, a hard per-field classification was generated by examining each polygon (representing a land cover parcel, or field) in its entirety (by grouping the fragments of the polygon contained within different image pixels) and assigning to it the modal land cover class. The accuracy of this technique was considerably higher than that of both a corresponding hard per-pixel classification and a per-field classification based on hard per-pixel classified imagery

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Published date: 2001

Identifiers

Local EPrints ID: 17298
URI: http://eprints.soton.ac.uk/id/eprint/17298
ISSN: 0143-1161
PURE UUID: b32711bf-fbac-45e1-91d9-29cd8a5e6a7b
ORCID for P.M. Atkinson: ORCID iD orcid.org/0000-0002-5489-6880

Catalogue record

Date deposited: 17 Aug 2005
Last modified: 16 Mar 2024 02:46

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Contributors

Author: P. Aplin
Author: P.M. Atkinson ORCID iD

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