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Representation a complete parametric model to calibrating TLS instruments
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Elnaz Mohammad zanjanipour *   , Masoud Varshosaz , Mohammad saadat seresht |
| K.N.Toosi University of Technology |
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Abstract: (4835 Views) |
| Surveying has great improvements in data collection techniques in last decade.one of these techniques is laser scanner.with that method we can collect 3D datas automaticly.investigating of the error sources in TLS measurments is rather complicated due to a large number of influencing factors that are quite interrelatred. Thus calibration is an important issue in these devices. several models have been proposed to improve the accuracy of the laser scanners datas until now.each of these models includes some physically parameters and some empirically parameters which have been produced by observation of residuals diagram,in this paper a parametric model based on the internal structure of laser scaner is presented for calibrating these devices. This model compared with another models shows that due to having just physical parameters and not empirical parameters it can be used for a variety of TLS instruments. because of the importance of stability of parameters in a model, stability of them and the correlation between them will be investigated precisely. the results show that this model with a relative stability can improve the accuracy of TLS data. |
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| Keywords: terrestrial Laser scanner, Calibration, point cloud, parametric model |
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Full-Text [PDF 1229 kb]
(1342 Downloads)
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Type of Study: Research |
Received: 2015/07/11 | Accepted: 2015/07/11 | Published: 2015/07/11
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