Contents
Acknowledgments i
Abstract ii
List of Figures vi
List of Tables vii
List of Abbreviations viii
1 Introduction 1
1.1 Urbanization in Sub-Saharan Africa . . . . 2
1.2 Mapping urbanization from space . . . . 5
1.3 Urban remote sensing in SSA . . . . 9
1.4 Open data opportunities . . . 14
1.5 Thesis organization . . . 19
References . . . 23
2 Automated supervised learning based on OpenStreetMap 27 2.1 Introduction . . . 28
2.2 Materials and methods . . . 31
2.3 Results and discussion . . . 41
2.4 Conclusion . . . 49
References . . . 50
3 Complementarity between optical and SAR sensors 54 3.1 Introduction . . . 55
3.2 Materials and methods . . . 58
3.3 Results and discussion . . . 65
3.4 Conclusion . . . 71
References . . . 72
4 A dataset of urban expansion in 46 urban areas of SSA 77 4.1 Introduction . . . 78
4.2 Material and methods . . . 81
4.3 Results and discussion . . . 94
4.4 Discussion . . . 102
References . . . 105
5 Conclusion 110 5.1 Main findings . . . 111
5.2 Perspectives . . . 116
References . . . 122
