Civil Engineering and Architecture Vol. 7(5), pp. 229 - 239
DOI: 10.13189/cea.2019.070501
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Significant Study of Scale Factor in Phase-based Terrestrial Laser Scanner Datum Transformation

Mohd Azwan Abbas ^1,2,*, Zulkepli Majid ², Albert K. Chong ³, Mohamad Aizat Asyraff Mohamad Azmi ¹, Mohamad Asrul Mustafar ¹, Khairulnizam M. Idris ², Lau Chong Luh ², Anuar Aspuri ², Nurathirah Mat Zain ¹, Norhadija Darwin ^2
1 Faculty of Architecture, Planning & Surveying, Universiti Teknologi MARA, 40450 Shah Alam, Malaysia
² Faculty of Built Environment & Surveying, Universiti Teknologi Malaysia, 81310 Skudai, Malaysia
³ School of Civil Engineering & Surveying, University of Southern Queensland, Australia

ABSTRACT

Rapid, direct and dense three-dimensional (3D) data acquisitions have become compulsory requirement for most applications that demand complete 3D information. Though, it is impossible to obtain data that cover the whole surface of the object from single sensor position. In terrestrial laser scanner (TLS) measurement, this multi positions issue was resolved using similarity transformation. However, only six (6) parameters were employed while scale factor was neglected. Since TLS measurement were utilised in many applications especially that demand high accuracy data, thus, further study is necessity to ensure the significant of neglecting scale factor in TLS datum transformation. Utilising robust experiment which involves with multi network configurations and multi distances, all seven (7) parameters were computed and scale factors were extracted for the further assessment. Significant analysis was performed by comparing the ideal value of scale factor (i.e. 1) and values obtained from the experiments. Results obtained for all configurations have accepted null hypothesis which indicates that scale factor is not significant in phase-based scanner datum transformation.

KEYWORDS
Datum Transformation, Network Configuration, Scale Factor, Three-Dimensional Data

Cite This Paper in IEEE or APA Citation Styles
(a). IEEE Format:
[1] Mohd Azwan Abbas , Zulkepli Majid , Albert K. Chong , Mohamad Aizat Asyraff Mohamad Azmi , Mohamad Asrul Mustafar , Khairulnizam M. Idris , Lau Chong Luh , Anuar Aspuri , Nurathirah Mat Zain , Norhadija Darwin , "Significant Study of Scale Factor in Phase-based Terrestrial Laser Scanner Datum Transformation," Civil Engineering and Architecture, Vol. 7, No. 5, pp. 229 - 239, 2019. DOI: 10.13189/cea.2019.070501.

(b). APA Format:
Mohd Azwan Abbas , Zulkepli Majid , Albert K. Chong , Mohamad Aizat Asyraff Mohamad Azmi , Mohamad Asrul Mustafar , Khairulnizam M. Idris , Lau Chong Luh , Anuar Aspuri , Nurathirah Mat Zain , Norhadija Darwin (2019). Significant Study of Scale Factor in Phase-based Terrestrial Laser Scanner Datum Transformation. Civil Engineering and Architecture, 7(5), 229 - 239. DOI: 10.13189/cea.2019.070501.