A Fast Method for Large-Scale Scene Data Acquisition and 3D Reconstruction

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PubDate: January 2020

Teams: State Key Laboratory of Virtual Reality Technology and Systems; Tianjin University of Technology

Writers: Yao Li; Yang Xie; Xijing Wang; Xun Luo; Yue Qi

PDF: A Fast Method for Large-Scale Scene Data Acquisition and 3D Reconstruction

Abstract

Large-scale 3D scene has an important application prospect in virtual reality and augmented reality. However, due to the doubling of the amount of data in the 3D reconstruction of large-scale outdoor scene, the index of time becomes a great challenge under the condition of maintaining a certain degree of accuracy. In this paper, we provide a set of methods of aerial photography data acquisition and cluster-based 3D model reconstruction for large-scale scene. Firstly, for the data acquisition end, we adopt two strategies of track pre-planning and feedback-based trajectory planning to meet the requirements of efficient data acquisition. Secondly, we have designed and implemented a distributed 3D reconstruction system to process a large number of aerial photographs, which can quickly and robustly reconstruct large-scale 3D models. Finally, we simulate the crowd behavior based on the PEM model in the reconstructed 3D scene, which has a useful guiding significance for people’s daily activities and emergency problems.

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