Digital photogrammetry: An experience of processing aerial photograph of UTM acquired using digital camera

In GIS, aerial photograph can be used as a source of input to the system. The aerial photograph can be in the form of metric or non-metric imagery. In aerial photogrammetry, for most applications aerial photograph acquired using large format (230mmx230mm) is used. However, sometime there is a need t...

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Main Author: Ahmad, Anuar
Format: Conference or Workshop Item
Language:English
Published: 2010
Subjects:
Online Access:http://eprints.utm.my/490/
http://eprints.utm.my/490/1/Anuar_Ahmad_fksg.pdf
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author Ahmad, Anuar
author_facet Ahmad, Anuar
author_sort Ahmad, Anuar
building UTeM Institutional Repository
collection Online Access
description In GIS, aerial photograph can be used as a source of input to the system. The aerial photograph can be in the form of metric or non-metric imagery. In aerial photogrammetry, for most applications aerial photograph acquired using large format (230mmx230mm) is used. However, sometime there is a need to use small format aerial photograph which can be acquired using small format camera. Digital camera is a small format camera that can be used to acquire aerial photograph (non-metric imagery). This paper discusses about the experience of processing aerial photograph which is acquired using a high resolution SLR digital camera and a digital photogrammetric system. For the non-metric digital images a digital camera was used to acquire more than ten digital images to cover approximately the same area covered by a pair of photograph of a metric camera. For the digital camera, it was calibrated using a test field after the acquisition of aerial photography. Ground control points were established using Global Positioning System (GPS). After setting up the stereomodel using digital images of the digital camera, on screen digitizing was carried out. Then the results were exported to a CAD software or Geographical Information System (GIS) software for further action. From the experience of processing the non-metric imagery using the digital photogrammetric system, it was found that the system is capable of processing the digital images easily, could be used for photogrammetric education, research and consultation work. This system could be used not only by photogrammetrist, however, it could also be used by other professionals such as engineers, planners, scientist and others.
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format Conference or Workshop Item
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institution Universiti Teknologi Malaysia
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publishDate 2010
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spelling utm-4902017-09-06T04:18:30Z http://eprints.utm.my/490/ Digital photogrammetry: An experience of processing aerial photograph of UTM acquired using digital camera Ahmad, Anuar NA Architecture In GIS, aerial photograph can be used as a source of input to the system. The aerial photograph can be in the form of metric or non-metric imagery. In aerial photogrammetry, for most applications aerial photograph acquired using large format (230mmx230mm) is used. However, sometime there is a need to use small format aerial photograph which can be acquired using small format camera. Digital camera is a small format camera that can be used to acquire aerial photograph (non-metric imagery). This paper discusses about the experience of processing aerial photograph which is acquired using a high resolution SLR digital camera and a digital photogrammetric system. For the non-metric digital images a digital camera was used to acquire more than ten digital images to cover approximately the same area covered by a pair of photograph of a metric camera. For the digital camera, it was calibrated using a test field after the acquisition of aerial photography. Ground control points were established using Global Positioning System (GPS). After setting up the stereomodel using digital images of the digital camera, on screen digitizing was carried out. Then the results were exported to a CAD software or Geographical Information System (GIS) software for further action. From the experience of processing the non-metric imagery using the digital photogrammetric system, it was found that the system is capable of processing the digital images easily, could be used for photogrammetric education, research and consultation work. This system could be used not only by photogrammetrist, however, it could also be used by other professionals such as engineers, planners, scientist and others. 2010 Conference or Workshop Item PeerReviewed application/pdf en http://eprints.utm.my/490/1/Anuar_Ahmad_fksg.pdf Ahmad, Anuar (2010) Digital photogrammetry: An experience of processing aerial photograph of UTM acquired using digital camera. In: Asia GIS. (Unpublished)
spellingShingle NA Architecture
Ahmad, Anuar
Digital photogrammetry: An experience of processing aerial photograph of UTM acquired using digital camera
title Digital photogrammetry: An experience of processing aerial photograph of UTM acquired using digital camera
title_full Digital photogrammetry: An experience of processing aerial photograph of UTM acquired using digital camera
title_fullStr Digital photogrammetry: An experience of processing aerial photograph of UTM acquired using digital camera
title_full_unstemmed Digital photogrammetry: An experience of processing aerial photograph of UTM acquired using digital camera
title_short Digital photogrammetry: An experience of processing aerial photograph of UTM acquired using digital camera
title_sort digital photogrammetry: an experience of processing aerial photograph of utm acquired using digital camera
topic NA Architecture
url http://eprints.utm.my/490/
http://eprints.utm.my/490/1/Anuar_Ahmad_fksg.pdf