Terrestrial Laser Scanners Pre-Processing: Registration and Georeferencing
نویسندگان
چکیده
منابع مشابه
Automated Registration of Unorganised Point Clouds from Terrestrial Laser Scanners
Terrestrial laser scanners provide a three-dimensional sampled representation of the surfaces of objects resulting in a very large number of points. The spatial resolution of the data is much higher than that of conventional surveying methods. Since laser scanners have a limited field of view, in order to obtain a complete representation of an object it is necessary to collect data from several...
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Terrestrial laser scanning (TLS) has been used widely for various applications, such as measurement of movement caused by natural hazards and Earth surface processes. In TLS surveying, registration and georeferencing are two essential steps, and their accuracy often determines the usefulness of TLS surveys. So far, evaluation of registration and georeferencing errors has been based on statistic...
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Terrestrial laser scanners are increasingly being used for cultural heritage recording and engineering applications that demand high spatial resolution. Knowledge of an instrument’s spatial resolution is necessary in order to prevent aliasing and estimate the level of detail that can be resolved from a scanned point cloud. In the context of laser scanners, spatial resolution can be decoupled in...
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This paper describes a technique for 3D Reconstruction of large outdoor areas using terrestrial laser scanning. It presents the paradigm for automated 3D registration and requirements of the positioning and orientation subsystem to handle fully automatic 3D registrations. It analyzes the different problems and difficulties associated with such type of environments, including the analysis of sca...
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The intensity data produced by terrestrial laser scanners has become a topic of increasing interest in the remote sensing community. We present a case study of radiometric calibration for two phase-shift continuous wave (CW) terrestrial scanners and discuss some major issues in correcting and applying the intensity data, and a practical calibration scheme based on external reference targets. Th...
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ژورنال
عنوان ژورنال: Jurnal Teknologi
سال: 2014
ISSN: 2180-3722,0127-9696
DOI: 10.11113/jt.v71.3833