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6 June 2011 Hand-held 3D sensor for documentation of fossil and archaeological excavations
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A mobile hand held battery powered sensor based on fringe projection technique for preservation of fossil traces and archaeological excavations was developed. It consists of a projector and two cameras and covers a measuring field of about 240 mm x 175 mm x 160 mm. The core time for data acquisition is 0.34 s and the final result of a 3D point cloud is obtained in less than five seconds. Errors due to movements of the sensor are detected and can be swept out. The sensor allows the capturing of 3D data of the observed surface together with colour information. It was successfully applied at fossil find of traces of a dinosaur at rock layers from Triassic. 3D reconstruction of a part of the excavation was realized including the determination of the depth of traces.
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Peter Kühmstedt, Christian Bräuer-Burchardt, Ingo Schmidt, Matthias Heinze, Andreas Breitbarth, and Gunther Notni "Hand-held 3D sensor for documentation of fossil and archaeological excavations", Proc. SPIE 8084, O3A: Optics for Arts, Architecture, and Archaeology III, 80840U (6 June 2011);

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