摘要
随着轨道交通线路密度逐渐提升,轨道运行与城市空间布局日渐紧密。轨道交通在城市公共交通系统中发挥的作用日益增大,同时为轨道交通公共应急指挥提出了更高的要求。本文充分利用GIS技术和互联网信息化技术,将轨道交通空间涉及的地图基础数据、高清影像数据、城市实景三维数据、车站精细三维模型数据、线路区间点云数据、视频监控数据等多源数据进行融合;利用空间信息的实时感知和大数据分析手段,对多源数据融合的城市轨道交通立体构建、重点区域三维场景视频虚实融合、基于视频分析的轨道站域空间轨迹追踪、轨道空间客流量超负预警指挥与分析预测等关键技术进行研究。全面多维度展示轨道交通内外信息,实现精准化、自动化、智能化的轨道安防精准布控,并在实际轨道交通应急指挥管理工作中应用,切实保障公共安全,取得了很好的应用效果。
The more density of rail transit lines has,the closer urban space with rail stations becomes.Rail transit plays an increasing role in urban public transport systems.At the same time,higher requirements are put forward for the public emergency command of rail transit.This article makes full use of GIS technology and Internet information technology,fusion of multi-source data like Geographic information basic data,ground HD image data,real-world 3 D data,precise 3 D model data for stations,3 D point-cloud data for rail lines,video surveillance data in rail transit.Using real-time perception of spatial information and big-data analysis,conduct a study on multi-source data fusion for three-dimensional construction of urban rail transit,virtual and real fusion of video in three-dimensional scenes in key areas,trajectory tracking in orbital station domain space based on video analysis,orbital space passenger flow super negative early warning command and analysis forecast.Show the rail information in multiple dimensions comprehensively.Realized precise,automate and intelligent rail security precision control.Applied to emergency command and management capabilities of rail transit,effectively ensure public safety.Achieved good application results.
作者
鲁月新
白轶多
夏君
余晔
郑鸿云
LU Yuexin;BAI Yiduo;XIA Jun;YU Ye;ZHENG Hongyun(Chongqing Servey Institute,Chongqing 401121,China)
出处
《测绘通报》
CSCD
北大核心
2022年第S02期268-272,共5页
Bulletin of Surveying and Mapping
关键词
轨道交通
应急指挥
城市立体构建
视频分析
rail transit
emergency command
urban three-dimensional construction
video analytics
