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THE USE OF A WIDE FOV LASER SCANNING SYSTEM AND A SLAM ALGORITHM FOR MOBILE APPLICATIONS

Castanheiro, L. F. ; Tommaselli, A. M. G. ; Machado, M. V. ; Santos, G. H. ; Norberto, I. S. ; Reis, T. T.

International archives of the photogrammetry, remote sensing and spatial information sciences., 2022, Vol.XLIII-B1-2022, p.181-187 [Periódico revisado por pares]

Gottingen: Copernicus GmbH

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Título:
THE USE OF A WIDE FOV LASER SCANNING SYSTEM AND A SLAM ALGORITHM FOR MOBILE APPLICATIONS
Autor: Castanheiro, L. F. ; Tommaselli, A. M. G. ; Machado, M. V. ; Santos, G. H. ; Norberto, I. S. ; Reis, T. T.
Assuntos: Accuracy ; Algorithms ; Applications programs ; Coordinate systems ; Coordinates ; Datasets ; Error analysis ; Laser applications ; Lasers ; Mapping ; Mobile computing ; Reference systems ; Rigid structures ; Scanners ; Simultaneous localization and mapping ; Three dimensional models ; Trajectory analysis
É parte de: International archives of the photogrammetry, remote sensing and spatial information sciences., 2022, Vol.XLIII-B1-2022, p.181-187
Descrição: This paper presents the assessment of a wide-angle laser scanner and a simultaneous localisation and mapping (SLAM) algorithm to estimate the trajectory and generate a 3D map of the environment. A backpack platform composed of an OS0-128 Ouster (FoV 90° × 360°) laser scanner was used to acquire laser data in an area with urban and forest features. Web SLAM, an online SLAM algorithm implemented by Ouster, Inc., was used to estimate the trajectory and generate a 3D map in a local reference system. Then, the 3D point clouds were transformed into the ground coordinate system with a rigid body transformation. Three datasets were used: (I) the entire trajectory consisting of forwarding and backwards paths, (II) only forward path, and (III) only backward path. Visual analysis showed a double mapping error in the point cloud of dataset I. Therefore, the point cloud registration was performed only for datasets II and III, achieving a centimetric accuracy, which is compatible with the OS0-128 laser scanner accuracy (∼5cm).
Editor: Gottingen: Copernicus GmbH
Idioma: Inglês

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THE USE OF A WIDE FOV LASER SCANNING SYSTEM AND A SLAM ALGORITHM FOR MOBILE APPLICATIONS

Castanheiro, L. F. ; Tommaselli, A. M. G. ; Machado, M. V. ; Santos, G. H. ; Norberto, I. S. ; Reis, T. T.

Gottingen: Copernicus GmbH

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