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Browsing by Author "Breytenbach, Andre"

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3D evaluation of fine-scale normalised DSMs in urban settings

Author: Breytenbach, Andre Date: Sep 2020 Humankind often needs to accurately model, identify and spatially quantify aboveground phenomena on the Earth’s surface for informed decision-making. Height data derived from digital elevation models (DEMs) is often used to achieve this. This ... Read more
Analysing DEM errors over an urban region across various scales with different elevation sources

Author: Breytenbach, Andre ; Van Niekerk, A Date: Aug 2019 With scant information available on domestic DEM quality and suitable evaluation methods, particularly in city regions, this study set out to evaluate and compare nine contemporary seamless DEM from different sources and spatial resolutions. ... Read more
Comparative accuracy evaluation of fine-scale global and local digital surface models: The Tshwane Case Study I

Author: Breytenbach, Andre Date: Oct 2016 Conducted in the City of Tshwane, South Africa, this study set about to test the accuracy of DSMs derived from different remotely sensed data locally. VHR digital mapping camera stereo-pairs, tri-stereo imagery collected by a Pléiades satellite ... Read more
Comparing three spaceborne optical sensors via fine scale pixel-based urban land cover classification products

Author: Breytenbach, Andre ; Eloff, C ; Pretorius, E Date: Aug 2013 Accessibility to higher resolution earth observation satellites suggests an improvement in the potential for fine scale image classification. In this comparative study, imagery from three optical satellites (WorldView-2, Pléiades and RapidEye) ... Read more
Ensemble classification for identifying neighbourhood sources of fugitive dust and associations with observed PM10

Author: Khuluse-Makhanya, Sibusisiwe A ; Stein, A ; Breytenbach, Andre ; Gxumisa, Athi A ; Dudeni-Tlhone, Nontembeko ; Debba, Pravesh Date: Oct 2017 In urban areas the deterioration of air quality as a result of fugitive dust receives less attention than the more prominent traffic and industrial emissions. We assessed whether fugitive dust emission sources in the neighbourhood of an air ... Read more
Evaluating pixel vs. segmentation based classifiers with height differentiation on SPOT 6 imagery for urban land cover mapping

Author: Gxumisa, Athi A ; Breytenbach, Andre Date: 2017 The identification, extraction, classification and mapping of detailed, but reliable land use or land cover (LULC) data play an increasingly important role in informed decision-making whether employed in urban planning and civil engineering, ... Read more
Functional classification of the Gauteng provincial road network using the South African road classification and access management manual (TRH26)

Author: Veramoothea, P ; Breytenbach, Andre ; Baloyi, E Date: Aug 2015 The built environment consists of various land uses and activities connected by a road network. The efficiency and effectiveness of the road network directly impacts economic growth and societal movement. This study involved the functional ... Read more

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Browsing by Author "Breytenbach, Andre"

Browsing by Author "Breytenbach, Andre"

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