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Browsing Daearyddiaeth ac Astudiaethau Daear / Geography & Earth Sciences by Author "Brown, Alan"

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Managing uncertainty when aggregating from pixels to objects: habitats, context sensitive mapping and possibility theory

Comber, Alexis; Medcalf, Katie; Lucas, R. M.; Bunting, P.; Brown, Alan; Clewley, D.; Breyer, J.; Keyworth, Steve (2010-02-24)

Object-oriented remote sensing software provides the user with flexibility in the way that remotely sensed data are classified through segmentation routines and user-specified fuzzy rules. This paper explores the classification ...
Managing uncertainty when aggregating from pixels to objects: habitats, context-sensitive mapping and possibility theory

Comber, Alexis; Medcalf, Katie; Lucas, R. M.; Bunting, P.; Brown, Alan; Clewley, D.; Breyer, J.; Keyworth, Steve (2010-02-24)

Object-oriented remote sensing software provides the user with flexibility in the way that remotely sensed data are classified through segmentation routines and user-specified fuzzy rules. This paper explores the classification ...
Rule-based classification of multi-temporal satellite imagery for habitat and agricultural land cover mapping

Bunting, Peter J.; Brown, Alan; Lucas, Richard M.; Rowlands, A. P. (2007-08)

Aim: To evaluate the use of time-series of Landsat sensor data acquired over an annual cycle for mapping semi-natural habitats and agricultural land cover. Location: Berwyn Mountains, North Wales, United Kingdom. Methods: ...
Updating the Phase 1 habitat map of Wales, UK, using satellite sensor data

Breyer, Johanna; Bunting, Peter J.; Keyworth, Steve; Clewley, Dan; Medcalf, Katie; Lucas, Richard M.; Brown, Alan; Blackmore, Philippa (2011-01)

The Phase 1 Survey is the most comprehensive and widely used national level map of semi-natural habitats in Wales. However, the survey was based largely on field survey and was conducted over several decades, before being ...
Updating the Phase 1 habitat map of Wales, UK, using satellite sensor data

Lucas, Richard M.; Medcalf, Katie; Brown, Alan; Bunting, Peter J.; Breyer, Johanna; Clewley, Dan; Keyworth, Steve; Blackmore, Philippa (Elsevier, 2011-01)

The Phase 1 Survey is the most comprehensive and widely used national level map of semi-natural habitats in Wales. However, the survey was based largely on field survey and was conducted over several decades, before being ...

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