An automatic procedure for co-registration of terrestrial laser scanners and digital cameras |
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| Authors: | Diego González-Aguilera Pablo Rodríguez-Gonzálvez Javier Gómez-Lahoz |
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| Institution: | 1. Department of Electrical and Computer Engineering, University of Dayton, Dayton, OH 45469, USA;2. Photogrammetric Computer Vision Laboratory, The Ohio State University, Columbus, OH 43210, USA;3. Sensors Directorate, Air Force Research Lab, WPAFB, OH 45433, USA;1. Cooperative Research Centre for Spatial Information, VIC 3053, Australia;2. Department of Infrastructure Engineering, University of Melbourne, VIC 3010, Australia;3. School of Mathematical and Spatial Sciences, The RMIT University, VIC 3000, Australia;1. University of Bonn, Institute of Geodesy and Geoinformation, Nußallee 17, 53115 Bonn, Germany;2. Chalmers University of Technology, Onsala Space Observatory, Observatorievägen 90, 43992 Onsala, Sweden;1. Information Engineering University, 450001 Zhengzhou, China;2. North China University of Water Resources and Electric Power, 450045 Zhengzhou, China |
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| Abstract: | Driven by progress in sensor technology, algorithms and data processing capabilities, close range photogrammetry has found a wide range of new application fields over the past two decades. Particularly, the emergence of terrestrial laser scanner has contributed to the close range photogrammetry “popularization” through many promising new applications. Nevertheless, a central issue in many of these developments is the integration of sensor technology with reliable data processing schemes to generate highly automated photogrammetric measurements systems.This paper presents a flexible approach for the automatic co-registration of terrestrial laser scanners (TLS) and amateur digital cameras (DC) to be used effectively in practice. Particularly, the developed approach deals with two different images: a camera image acquired with a DC and a range image obtained with a TLS. To this end, an open-source tool “USAlign” has been developed for testing the different experiments. |
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