NDLI: Three-Dimensional Indoor Fire Evacuation Routing

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Three-Dimensional Indoor Fire Evacuation Routing

Content Provider	MDPI
Author	Zhou, Yan Pang, Yuling Chen, Fen Zhang, Yeting
Copyright Year	2020
Description	Traditional indoor navigation algorithms generally only consider the geometrical information of indoor space. However, the environmental information and semantic parameters of a fire are also important for evacuation routing in the case of a fire. It is difficult for traditional indoor navigation algorithms to dynamically find an indoor path when a fire develops. To address this problem, we developed a multi-semantic constrained three-dimensional (3D) indoor fire evacuation routing method that considers multi-dimensional indoor fire scene-related semantics, such as path accessibility, path recognition degree, and fire parameters. Our method enhances the navigation semantics of indoor space by extending the fire-related components of indoor model based on IndoorGML and integrating location semantics of IndoorLocationGML. We also propose quantifiable indoor fire-oriented routing semantics and establish a navigation cost function that evaluates semantic changes during a fire. We designed an indoor routing algorithm with multiple semantic constraints based on the A* algorithm. The indoor routing results were analyzed and compared in simulation experiments. The experimental results showed that the proposed model can remove unusable nodes and edges from the obtained navigation path and provides a safer and more effective evacuation route than traditional algorithms.
Starting Page	558
e-ISSN	22209964
DOI	10.3390/ijgi9100558
Journal	ISPRS International Journal of Geo-Information
Issue Number	10
Volume Number	9
Language	English
Publisher	MDPI
Publisher Date	2020-09-24
Access Restriction	Open
Subject Keyword	ISPRS International Journal of Geo-Information Isprs International Journal of Geo-information Industrial Engineering Transportation Science and Technology Indoor Routing Emergency Evacuation Indoor 3d Model Indoor Navigation Fire Semantics
Content Type	Text
Resource Type	Article

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