Feature extraction from point cloud generated using UAV based photogrammetry (Softcopy is also available) (Record no. 56759)
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| 000 -LEADER | |
|---|---|
| fixed length control field | 03642nam a2200205Ia 4500 |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION | |
| fixed length control field | 191023s9999 xx 000 0 und d |
| 082 ## - DEWEY DECIMAL CLASSIFICATION NUMBER | |
| Classification number | MG TH-0183 |
| Item number | SON |
| 100 ## - MAIN ENTRY--PERSONAL NAME | |
| Personal name | Soni, Siddharth (PT201517) |
| 245 #0 - TITLE STATEMENT | |
| Title | Feature extraction from point cloud generated using UAV based photogrammetry (Softcopy is also available) |
| 260 ## - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT) | |
| Date of publication, distribution, etc | 2019 |
| 300 ## - PHYSICAL DESCRIPTION | |
| Extent | ii,iv,xv,60p. |
| 505 ## - FORMATTED CONTENTS NOTE | |
| Formatted contents note | Table of Contents <br/>Certificate of Original Authorship i <br/>Certificate of Dissertation - Advisor’s consent iii <br/>Certificate of Dissertation - Program Chair v <br/>Acknowledgments vii <br/>Abstract ix <br/>List of figures xi <br/>List of tables xv <br/>1 INTRODUCTION 1 <br/>1.1 Drone Survey 2 <br/>1.1.1 Orthomosaic 3 <br/>1.1.2 Point Cloud 3 <br/>1.1.3 DEM and DSM 3 <br/>1.1.4 Textured Mesh 3 <br/>1.2 Research Problems 4 <br/>1.2.1 Complex Scene 4 <br/>1.2.2 Lack of Conformity 4 <br/>1.2.3 Complex Geometry 4 <br/>1.3 Goal and Objectives 5 <br/>1.4 Scope and Limitations 5 <br/>1.5 Need for Study 6 <br/>1.6 Thesis Outline 6 <br/>2 LITERATURE REVIEW 9 <br/>2.1 Building Detection from Satellite Images 9 <br/>2.2 Building Detection from Aerial Images 10 <br/>2.3 Building Detection from High Density Point Clouds 11 <br/>2.4 Conclusions 12 <br/>3 DATA ACQUISITION AND PROCESSING IN DRONE SURVEY 13 <br/>3.1 Ground Control Points 13 <br/>3.2 Flight Parameters 14 <br/>3.2.1 Camera Specifications 14 <br/>3.2.2 Flight Path 15 <br/>3.2.3 Flight Height 16 <br/>3.2.4 Front and Side Lap 16 <br/>3.3 Understanding Spatial Resolution with Drones 17 <br/>3.4 Processing of Data 18 <br/>3.4.1 Preprocessing of Images 19 <br/>3.4.2 Structure from Motion Algorithm 19 <br/>3.4.3 3D Scene Reconstruction 21 <br/>4 POINT CLOUD PROCESSING 23 <br/>4.1 Types of Point Cloud 23 <br/>4.1.1 LiDAR 24 <br/>4.1.2 Digital Aerial Photogrammetry 25 <br/>4.2 Point Feature Representation 26 <br/>4.2.1 Normal Estimation 26 <br/>4.2.2 Curvature 27 <br/>4.2.3 Point Feature Histograms 28 <br/>4.3 Point Cloud Segmentation 28 <br/>4.4 Plane Extraction in Point Clouds 28 <br/>4.4.1 Region Growing based Method 29 <br/>4.4.2 Random Sample Consensus 29 <br/>4.4.3 Hough Transform 30 <br/>4.5 Multi-view Registration of Point Cloud 30 <br/>5 RESEARCH METHODOLOGY 31 <br/>5.1 Forming Neighbourhoods 31 <br/>5.2 Tabulate Local Feature Descriptors 32 <br/>5.2.1 Surface Normals 32 <br/>5.2.2 Surface Density 32 <br/>5.2.3 Volume Density 33 <br/>5.2.4 Curvature 33 <br/>5.2.5 Roughness 33 <br/>5.3 Segregate Ground Points and Non Ground Points 33 <br/>5.3.1 Cloth Simulation Filter 33 <br/>5.3.2 Progressive Morphological Filter 34 <br/>5.4 Plane Segmentation using RANSAC 35 <br/>5.5 Identifying Connected Components 35 <br/>5.6 Edge Points Detection 36 <br/>5.7 Boundary Approximation Using Regularization Constraints 36 <br/>5.8 Roof Modelling 36 <br/>5.9 Generating DEM and Contour from Ground Points 37 <br/>6 DATASET 39 <br/>6.1 Initial Image Positions 40 <br/>6.2 Geolocation Details 41 <br/>6.3 Point Cloud Densification and DSM Details 41 <br/>6.4 Subset of Data 42 <br/>7 RESULTS AND OUTPUTS 43 <br/>7.1 Point Cloud Data Formats 43 <br/>7.2 Local Feature Representations 44 <br/>7.2.1 Surface Normals 44 <br/>7.2.2 Number of Neighbours 45 <br/>7.2.3 Curvature 46 <br/>7.2.4 Roughness 47 <br/>7.3 Segregating Ground Points and Non-Ground Points 47 <br/>7.4 Plane Extraction 48 <br/>7.5 Edge Point Detection and Boundary Regularization 49 <br/>7.6 DEM and Contour Generation 50 <br/>7.7 Reconstructed Urban Scene 52 <br/>7.8 Comparison with other methods 53 <br/>8 CONCLUSION 55 <br/>References 57 <br/>Appendix 59<br/> |
| 700 ## - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Reddy, Chetan (Guide) |
| 700 ## - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Shroff, Vichar (Guide) |
| 700 ## - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Vyas, Anjana (Guide) |
| 890 ## - Country | |
| Country | India |
| 891 ## - Topic | |
| Topic | 2017 Batch |
| 891 ## - Topic | |
| Topic | FT-PG |
| 891 ## - Topic | |
| Topic | M.Sc. Geomatics |
| Withdrawn status | Lost status | Source of classification or shelving scheme | Damaged status | Not for loan | Collection code | Withdrawn status | Home library | Current library | Date acquired | Source of acquisition | Full call number | Barcode | Date last seen | Price effective from | Koha item type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dewey Decimal Classification | Faculty of Technology | CEPT Library | CEPT Library | 23/10/2019 | faculty of Technology | MG TH-0183 SON | 021577 | 23/10/2019 | 23/10/2019 | Thesis |