Correction of Intensity Incidence Angle Effect in Terrestrial Laser Scanning
In this article, we have studied the incidence angle effect on Terrestrial Laser Scanning (TLS) intensity. In previous tests, it has been found that the backscattered intensity of an object affects the incidence angle effect. We made additional experiments to investigate the potential mixing of di...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Copernicus Publications
2013-10-01
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| Series: | ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences |
| Online Access: | https://www.isprs-ann-photogramm-remote-sens-spatial-inf-sci.net/II-5-W2/145/2013/isprsannals-II-5-W2-145-2013.pdf |
| Summary: | In this article, we have studied the incidence angle effect on Terrestrial Laser Scanning (TLS) intensity. In previous tests, it has been
found that the backscattered intensity of an object affects the incidence angle effect. We made additional experiments to investigate
the potential mixing of distance and incidence angle effects and the role of surface parameters such as object grain size and scanning
wavelength. The results indicate that distance and incidence angle effects do not mix and laboratory measured correction values can
be used to correct intensity data from field-scanned point clouds. We also compared the laboratory measurements to real world
surfaces to validate the correction procedures in practical TLS applications. The idea is also to make practical recommendations for
TLS intensity correction in most common TLS applications. |
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| ISSN: | 2194-9042 2194-9050 |