Height Accuracy of Radargrammetric Generated Digital Elevation Model

The stereoscopic concept used in photogrammetry was successfully extended to the optical sensor of SPOT (System Probatoire d'Observation de la Terre) to generate the digital elevation model (DEM) and to extract the planimetric features. Following this success, scientists are impressively enc...

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Main Author:	Abdul Samad, Abdul Hadi
Format:	Thesis
Language:	English English
Published:	2002
Subjects:	Forests and forestry - Photogrammetry - Klang Valley - Case studies Radar in forestry - Klang Valley - Case studies
Online Access:	http://psasir.upm.edu.my/id/eprint/10119/1/FH_2002_23.pdf
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id	my-upm-ir.10119
record_format	uketd_dc
spelling	my-upm-ir.101192024-03-13T07:38:49Z Height Accuracy of Radargrammetric Generated Digital Elevation Model 2002-11 Abdul Samad, Abdul Hadi The stereoscopic concept used in photogrammetry was successfully extended to the optical sensor of SPOT (System Probatoire d'Observation de la Terre) to generate the digital elevation model (DEM) and to extract the planimetric features. Following this success, scientists are impressively encouraged to explore the feasibility of using stereoscopy on synthetic aperture radar (SAR) images, applying the radargrammetric technique. In the regions where cloud cover or darkness prevails, active microwave remote sensing data such as SAR can be fully utilized to procure information about land surface and forest canopy. The objective of this study is to analyze the accuracy of the elevations extracted from the DEM generated using the radargrammetric technique as compared with the elevations generated from the photogrammetric technique. The capability of the radargrammetric technique and its potential in extracting the altimetric information were subsequently assessed. The stereo RADARSAT images of Klang Valley with coverage of 100 Ian by 100 Ian were acquired. A total of 199 Ground Control Points (GCPs) were selected on relatively low terrains as backscattering radar data is very sensitive to the slope and high terrains. The primary input data was the coordinates of GCPs which were extracted from the topographical maps. When the errors produced in the GCP collection report were acceptable, the next process was creating epipolar images and generating DEM. It was then followed by generating the geocoded DEM. Forests and forestry - Photogrammetry - Klang Valley - Case studies Radar in forestry - Klang Valley - Case studies 2002-11 Thesis http://psasir.upm.edu.my/id/eprint/10119/ http://psasir.upm.edu.my/id/eprint/10119/1/FH_2002_23.pdf text en public masters Universiti Putra Malaysia Forests and forestry - Photogrammetry - Klang Valley - Case studies Radar in forestry - Klang Valley - Case studies Faculty of Forestry Jusoff, Kamaruzaman English
institution	Universiti Putra Malaysia
collection	PSAS Institutional Repository
language	English English
advisor	Jusoff, Kamaruzaman
topic	Forests and forestry - Photogrammetry - Klang Valley - Case studies Radar in forestry - Klang Valley - Case studies
spellingShingle	Forests and forestry - Photogrammetry - Klang Valley - Case studies Radar in forestry - Klang Valley - Case studies Abdul Samad, Abdul Hadi Height Accuracy of Radargrammetric Generated Digital Elevation Model
description	The stereoscopic concept used in photogrammetry was successfully extended to the optical sensor of SPOT (System Probatoire d'Observation de la Terre) to generate the digital elevation model (DEM) and to extract the planimetric features. Following this success, scientists are impressively encouraged to explore the feasibility of using stereoscopy on synthetic aperture radar (SAR) images, applying the radargrammetric technique. In the regions where cloud cover or darkness prevails, active microwave remote sensing data such as SAR can be fully utilized to procure information about land surface and forest canopy. The objective of this study is to analyze the accuracy of the elevations extracted from the DEM generated using the radargrammetric technique as compared with the elevations generated from the photogrammetric technique. The capability of the radargrammetric technique and its potential in extracting the altimetric information were subsequently assessed. The stereo RADARSAT images of Klang Valley with coverage of 100 Ian by 100 Ian were acquired. A total of 199 Ground Control Points (GCPs) were selected on relatively low terrains as backscattering radar data is very sensitive to the slope and high terrains. The primary input data was the coordinates of GCPs which were extracted from the topographical maps. When the errors produced in the GCP collection report were acceptable, the next process was creating epipolar images and generating DEM. It was then followed by generating the geocoded DEM.
format	Thesis
qualification_level	Master's degree
author	Abdul Samad, Abdul Hadi
author_facet	Abdul Samad, Abdul Hadi
author_sort	Abdul Samad, Abdul Hadi
title	Height Accuracy of Radargrammetric Generated Digital Elevation Model
title_short	Height Accuracy of Radargrammetric Generated Digital Elevation Model
title_full	Height Accuracy of Radargrammetric Generated Digital Elevation Model
title_fullStr	Height Accuracy of Radargrammetric Generated Digital Elevation Model
title_full_unstemmed	Height Accuracy of Radargrammetric Generated Digital Elevation Model
title_sort	height accuracy of radargrammetric generated digital elevation model
granting_institution	Universiti Putra Malaysia
granting_department	Faculty of Forestry
publishDate	2002
url	http://psasir.upm.edu.my/id/eprint/10119/1/FH_2002_23.pdf
_version_	1794018869214445568

Height Accuracy of Radargrammetric Generated Digital Elevation Model

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