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primary topic: Mapping Buildings from Semi-Informal Settlements Using Non-Parametric Classifiers: A Case of Old Naledi

Mapping Buildings from Semi-Informal Settlements Using Non-Parametric Classifiers: A Case of Old Naledi
type: AcademicArticle
type: Article
abstract: Building footprints are essential for planning and designing new infrastructure like water reticulation, electricity transmission, sewer, and road networks. They are also necessary for delivery, census, and disaster management. It is therefore important to have up-to-date maps and GIS databases for service provision. However, mapping building of footprints in semi-informal settlements is problematic because of the spatial heterogeneity of settlements. This study evaluates three non-parametric machine learning algorithms for extracting building footprints from WorldView-2 (WV2) satellite imagery in a semi-informal settlement. WV2 satellite imagery data was fused with gray-level co-occurrence matrices (GLCM) to enhance building extraction. The algorithms used include the Gaussian Mixture Model (GMM), Random Forest (RF), and Support Vector Machine (SVM). The results indicate that GLCM does not improve the detection of buildings when using the GMM algorithm, but it increases building detection with RF and SVM. The GMM algorithm achieved the highest average accuracy of 92% for building detection. However, SVM and RF have an overall accuracy of 79% and 70% respectively. Though RF did not perform very well in identifying individual buildings, its overall accuracy was high. The outcome indicates that machine learning algorithms can adequately map building footprints from high-resolution satellite imagery.
date: 2024-09-15
volume: 14
issue: 3s
is part of: Journal of Civil Engineering and Urbanism
status: peerReviewed
status: published
author list: authors
type: EPrint
type: ArticleEPrint
is part of: repository
has document: Mapping Buildings from Semi-Informal Settlements Using Non-Parametric Classifiers: A Case of Old Naledi (Text)
has version: Mapping Buildings from Semi-Informal Settlements Using Non-Parametric Classifiers: A Case of Old Naledi (Text)
has published: Mapping Buildings from Semi-Informal Settlements Using Non-Parametric Classifiers: A Case of Old Naledi (Text)
has document: Mapping Buildings from Semi-Informal Settlements Using Non-Parametric Classifiers: A Case of Old Naledi (Other)
subject: TA Engineering (General). Civil engineering (General)

Mapping Buildings from Semi-Informal Settlements Using Non-Parametric Classifiers: A Case of Old Naledi (Text)
type: Document
has file: JCEU14(3s)149-157,2024.pdf
has part: JCEU14(3s)149-157,2024.pdf

Scienceline Publication
type: Organization

Journal of Civil Engineering and Urbanism
type: Collection
issn: 22520430

Boipuso Nkwae
type: Person
given name: Boipuso
family name: Nkwae

Mooketsi Segobye
type: Person
given name: Mooketsi
family name: Segobye

Kealeboga Moreri
type: Person
given name: Kealeboga
family name: Moreri

Nyaladzani Nkhwanana
type: Person
given name: Nyaladzani
family name: Nkhwanana

Yashon Ouma
type: Person
given name: Yashon
family name: Ouma

Bagadzi M. Manisa
type: Person
given name: Bagadzi M.
family name: Manisa

Lopang Maphale
type: Person
given name: Lopang
family name: Maphale

Wame Mpoeleng
type: Person
given name: Wame
family name: Mpoeleng

Mapping Buildings from Semi-Informal Settlements Using Non-Parametric Classifiers: A Case of Old Naledi (Other)
type: Document
is version of: Mapping Buildings from Semi-Informal Settlements Using Non-Parametric Classifiers: A Case of Old Naledi (Text)
is volatile version of: Mapping Buildings from Semi-Informal Settlements Using Non-Parametric Classifiers: A Case of Old Naledi (Text)
is index codes version of: Mapping Buildings from Semi-Informal Settlements Using Non-Parametric Classifiers: A Case of Old Naledi (Text)
has file: indexcodes.txt
has part: indexcodes.txt

http://eprints.science-line.com/id/eprint/1314/
title: HTML Summary of #1314 <epc:when xmlns:epc="http://eprints.org/ep3/control" test="title">Mapping Buildings from Semi-Informal Settlements Using Non-Parametric Classifiers: A Case of Old Naledi</epc:when>
format: text/html
primary topic: Mapping Buildings from Semi-Informal Settlements Using Non-Parametric Classifiers: A Case of Old Naledi

TA Engineering (General). Civil engineering (General)
type: Concept