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3D maps of emergency scenes offer more intuitive and more detailed spatial information to support emergency decision making. In this paper, the methodology of UAV route planning is introduced, which is used to guide the process of oblique photograph data collection for efficient 3D reconstruction of building model, and its practical problems during processing are analyzed. The methodology would meet...
This paper presents a GIS based dynamic modeling of fire spread using cellular automation simulation, given a set of stochastic ignition points and initial environmental settings. Modeling every individual room in the building as a cell, we have developed the algorithm for fire spread both from room to room inside a building and from one building to another due to radiation and branding. The models...
Disasters, like strong earthquakes, may cause different kinds of deformation and damages to urban buildings, which makes those buildings hard to recognize and extract through traditional ways. In this paper, a novel approach has been proposed to extract buildings that may suffer with various deformation due to the damage of disasters, from large urban 3D disaster scenes. The method relies on prebuilt...
To scientifically use the coal mine subsidence area for surface buildings and to ensure the safe and normal use of new construction structures, this work systematically examines the foundation stability evaluation method, foundation treatment technology, and deformation resistance technological measures of new constructions in goafs by combining theoretical studies and field practices. Determining...
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