面向BIM仿真的铁路视频监控系统视场模型研究  

Research on Field-of-View Model of Railway Video Surveillance System Oriented to BIM Simulation

作　　者：林云柯 谢伟 吴晓[1] 胡水友 LIN Yunke;XIE Wei;WU Xiao;HU Shuiyou(Communication&Signaling Design and Research Institute,China Railway Eryuan Engineering Group Co.,Ltd.,Chengdu Sichuan 610031,China;Signaling Branch of Beijing Electrification Company,China Railway Electrification Engineering Group Co.,Ltd.,Beijing 100015,China)

机构地区：[1]中铁二院工程集团有限责任公司通信信号设计研究院,四川成都610031 [2]中铁电气化局集团有限公司北京电气化公司信号分公司,北京100015

出　　处：《铁路技术创新》2024年第2期71-77,共7页Railway Technical Innovation

摘　　要：铁路视频监控系统前端采集点设计中,往往依赖设计人员工程经验来判断采集点布设方案是否合理,缺乏定量且直观的判定标准,难以准确评判采集点的实际覆盖效果。从基本的视场覆盖模型出发,结合铁路视频监控系统特点,针对不同的场景和覆盖目标,将铁路视场模型应用场景分为常规视频覆盖场景和有目标识别需求的覆盖场景,提出与之相对应的视场覆盖数学模型,为建立面向BIM视场覆盖仿真的视频监控系统视场提供数学模型基础。利用输入参数和仿真模型所需的目标值参数,实现视频监控采集点的BIM视场模型驱动,从而实现视场的灵活调整和优化。During the design of front-end acquisition points of railway video surveillance system,it often relies on the engineering experience of designers to judge whether the layout scheme of acquisition points is reasonable.It lacks quantitative and intuitive judgment criteria and is difficult to accurately evaluate the actual coverage effect of acquisition points.Starting from the basic field-of-view coverage model,in combination with the characteristics of railway video surveillance system,aiming at different scenes and coverage targets,the application scenarios of railway field-of-view models are divided into conventional video coverage scenarios and coverage scenarios with target identification requirements.This paper proposes a corresponding mathematical model of field-of-view coverage to provide a basis for establishing the field-of-view of video surveillance system oriented to BIM field-of-view coverage simulation.The BIM field-of-view model drive of video surveillance acquisition points is realized by using the input parameters and the target value parameters required by the simulation model,thus enabling flexible adjustment and optimization of field-of-view.

关 键 词：BIM仿真 铁路视频监控 采集点 布设方案 视场模型 

分 类 号：U298[交通运输工程—交通运输规划与管理]