Development of Tsunami Inundation Simulator Using Mobile Mapping System

Abstract eng:
Hazard maps in tsunamis and floods are created by many local towns and cities which has coast or river. However, they are not properly utilized by the citizens. One of the reasons is that many hazard maps are not enough to stimulate fear of tsunamis, since most of the them are shown in two dimension using the depth contour. Practical visualization of inundation is required to give the strong sense of danger. In this study, the system is developed, in which the inundation can be shown in three dimension using the serial videos taken by all-around view camera. You can recognize inundation of the houses and buildings by CG. Although, it takes much cost to create CG in general, the elements such as the streets, houses and buildings which constitute the townscape can be easily converted to psuedo CG models in this system using the threedimensional coordinates of the feature points in the video. Thus using the video and its information, the expression of the inundated condition in three dimension can be realized at dramatically low cost.

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