Abstract
This paper introduces a real-time visualization method using a hybrid LADAR system, to simultaneously assist multiple heavy equipment operators to perceive 3D working environments at dynamic construction sites. A custom-designed LADAR (Light Detection and Ranging) system was used to obtain 3D point cloud data, which can be transferred into data streams and uploaded to a remote operator’s computer screen immediately. The data streams can be accessed by different equipment operators through local wireless or global networks such as Wi-Fi and 4G, and be further presented in dynamic 3D views. Strategies to rapidly updating 3D point cloud scenes are discussed in this paper as well. The methodology presented in this paper has been implemented and tested at an equipment operation site and the proposed 3D visualization technique and data transmission network system were validated effectively. It is highly expected that the assistance of 3D visualization for equipment workspace will significantly reduce blind spots and obstructions, and improves operators’ working efficiency.
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