Staff View: Calibration of high resolution digital camera based on different photogrammetric methods

Calibration of high resolution digital camera based on different photogrammetric methods

This paper presents method of calibrating high-resolution digital camera based on different configuration which comprised of stereo and convergent. Both methods are performed in the laboratory and in the field calibration. Laboratory calibration is based on a 3D test field where a calibration plate...

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Main Authors:	Abdul Hamid, Nurul Farhah, Ahmad, Anuar
Format:	Conference or Workshop Item
Published:	2013
Subjects:	T Technology
Online Access:	http://eprints.utm.my/id/eprint/37320/
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spelling	my.utm.373202017-09-26T08:04:29Z http://eprints.utm.my/id/eprint/37320/ Calibration of high resolution digital camera based on different photogrammetric methods Abdul Hamid, Nurul Farhah Ahmad, Anuar T Technology This paper presents method of calibrating high-resolution digital camera based on different configuration which comprised of stereo and convergent. Both methods are performed in the laboratory and in the field calibration. Laboratory calibration is based on a 3D test field where a calibration plate of dimension 0.4 m × 0.4 m with grid of targets at different height is used. For field calibration, it uses the same concept of 3D test field which comprised of 81 target points located on a flat ground and the dimension is 9 m × 9 m. In this study, a non-metric high resolution digital camera called Canon Power Shot SX230 HS was calibrated in the laboratory and in the field using different configuration for data acquisition. The aim of the calibration is to investigate the behavior of the internal digital camera whether all the digital camera parameters such as focal length, principal point and other parameters remain the same or vice-versa. In the laboratory, a scale bar is placed in the test field for scaling the image and approximate coordinates were used for calibration process. Similar method is utilized in the field calibration. For both test fields, the digital images were acquired within short period using stereo and convergent configuration. For field calibration, aerial digital images were acquired using unmanned aerial vehicle (UAV) system. All the images were processed using photogrammetric calibration software. Different calibration results were obtained for both laboratory and field calibrations. The accuracy of the results is evaluated based on standard deviation. In general, for photogrammetric applications and other applications the digital camera must be calibrated for obtaining accurate measurement or results. The best method of calibration depends on the type of applications. Finally, for most applications the digital camera is calibrated on site, hence, field calibration is the best method of calibration and could be employed for obtaining accurate measurement. 2013 Conference or Workshop Item PeerReviewed Abdul Hamid, Nurul Farhah and Ahmad, Anuar (2013) Calibration of high resolution digital camera based on different photogrammetric methods. In: 8th International Symposium on digital Earth .
institution	Universiti Teknologi Malaysia
building	UTM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Teknologi Malaysia
content_source	UTM Institutional Repository
url_provider	http://eprints.utm.my/
topic	T Technology
spellingShingle	T Technology Abdul Hamid, Nurul Farhah Ahmad, Anuar Calibration of high resolution digital camera based on different photogrammetric methods
description	This paper presents method of calibrating high-resolution digital camera based on different configuration which comprised of stereo and convergent. Both methods are performed in the laboratory and in the field calibration. Laboratory calibration is based on a 3D test field where a calibration plate of dimension 0.4 m × 0.4 m with grid of targets at different height is used. For field calibration, it uses the same concept of 3D test field which comprised of 81 target points located on a flat ground and the dimension is 9 m × 9 m. In this study, a non-metric high resolution digital camera called Canon Power Shot SX230 HS was calibrated in the laboratory and in the field using different configuration for data acquisition. The aim of the calibration is to investigate the behavior of the internal digital camera whether all the digital camera parameters such as focal length, principal point and other parameters remain the same or vice-versa. In the laboratory, a scale bar is placed in the test field for scaling the image and approximate coordinates were used for calibration process. Similar method is utilized in the field calibration. For both test fields, the digital images were acquired within short period using stereo and convergent configuration. For field calibration, aerial digital images were acquired using unmanned aerial vehicle (UAV) system. All the images were processed using photogrammetric calibration software. Different calibration results were obtained for both laboratory and field calibrations. The accuracy of the results is evaluated based on standard deviation. In general, for photogrammetric applications and other applications the digital camera must be calibrated for obtaining accurate measurement or results. The best method of calibration depends on the type of applications. Finally, for most applications the digital camera is calibrated on site, hence, field calibration is the best method of calibration and could be employed for obtaining accurate measurement.
format	Conference or Workshop Item
author	Abdul Hamid, Nurul Farhah Ahmad, Anuar
author_facet	Abdul Hamid, Nurul Farhah Ahmad, Anuar
author_sort	Abdul Hamid, Nurul Farhah
title	Calibration of high resolution digital camera based on different photogrammetric methods
title_short	Calibration of high resolution digital camera based on different photogrammetric methods
title_full	Calibration of high resolution digital camera based on different photogrammetric methods
title_fullStr	Calibration of high resolution digital camera based on different photogrammetric methods
title_full_unstemmed	Calibration of high resolution digital camera based on different photogrammetric methods
title_sort	calibration of high resolution digital camera based on different photogrammetric methods
publishDate	2013
url	http://eprints.utm.my/id/eprint/37320/
_version_	1643650114282061824
score	13.211869

Calibration of high resolution digital camera based on different photogrammetric methods

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