真实感场景遥感技术在铁路工程勘察中的应用  

Application of Railway Engineering Survey Based on Remote Sensing Technology for Realistic Scenes

作　　者：孟祥连[1,2] 周福军 

机构地区：[1]中铁第一勘察设计院集团有限公司,陕西西安710043 [2]轨道交通工程信息化国家重点实验室,陕西西安710043

出　　处：《西南交通大学学报》2017年第5期949-955,共7页Journal of Southwest Jiaotong University

摘　　要：为了进一步推广遥感技术在铁路工程勘察中的应用,在分析传统遥感技术应用局限性的基础上,提出了真实感场景遥感技术.通过引入视差函数,基于立体正射影像像对,保证视差方向与模型基线方向一致,消除夹角,获取数据精度更高的立体模型,形成了一套完善的遥感建模方法和生产应用流程;将遥感技术与协同设计平台配合使用,实现了不同专业之间数据的双向流通.研究结果表明:真实感场景遥感技术适用于铁路工程勘察的多个不同专业,尤其在不良地质调查、线路选线方面效果明显;与传统遥感技术相比,可节省外业勘察时间50%,节省内业设计时间20%.In order to promote the application of remote sensing technology in railway engineering surveys, the limitations of traditional remote sensing technology were analysed, and a novel remote sensing technology is proposed for realistic scenes. A complete remote sensing modelling method and production application process were established,based on the disparity function and double stereo orthoimages. Because the parallax and model baseline are in the same direction and the angle is eliminated, a dimensional model provides greater accuracy. Data from different professions transfer in both directions, based on a collaborative design platform. In various research and engineering practices, remote sensing technology for realistic scenes is widely applicable for different majors in railway engineering surveys, and it is effectual for unfavourable geological condition surveys as well as railway line selection. A work time saving of approximately 50% is achieved during the site survey period, and of approximately 20% during the interior design period. The proposed technology offers potential value for similar engineering applications and projects.

关 键 词：真实感场景 立体正射影像 遥感技术 勘察 协同平台 铁路工程 

分 类 号：U212.32[交通运输工程—道路与铁道工程]