The invention relates to the technical field of information detection, in particular to a method and system for detecting three-dimensional information of a running train in a complex environment, and the method comprises the steps: obtaining three-way video information, three-way point cloud data and top point cloud data of a freight train when the freight train passes; decomposing the three paths of video information into three paths of image information, and extracting three paths of optimal frame pictures from the three paths of image information; distortion correction is carried out on the three paths of optimal frame pictures, same-proportion processing is carried out on the three paths of optimal frame pictures after distortion correction, and three paths of pictures with the same proportion are obtained; performing train contour positioning according to the top point cloud data to obtain train contour information; performing equal-proportion scaling reduction on the three-way point cloud data by using train contour information to obtain equal-proportion point cloud data; and three paths of pictures with the same proportion and point cloud data with the same proportion are jointly calibrated and fused to obtain a three-dimensional point cloud live-action picture, so that vehicle multi-dimensional information meeting requirements can be conveniently collected in various complex environments.
本申请涉及信息检测的技术领域,尤其涉及一种复杂环境下运行列车三维信息的检测方法及系统,方法包括:在货运列车通过时,获取货运列车的三路视频信息、三路点云数据以及顶部点云数据;将三路视频信息分解为三路图像信息,并从三路图像信息中提取三路最优帧图片;对三路最优帧图片进行畸变矫正,并对畸变校正后的三路最优帧图片进行同比例处理,得到三路同比例图片;根据顶部点云数据进行列车轮廓定位,得到列车轮廓信息;利用列车轮廓信息对三路点云数据进行等比例缩放还原,得到等比例点云数据;将三路同比例图片以及等比例点云数据联合标定,并进行融合,得到三维点云实景图,便于在各类复杂环境下能够采集到符合要求的车辆多维信息。
Method and system for detecting three-dimensional information of train running in complex environment
一种复杂环境下运行列车三维信息的检测方法及系统
2023-02-03
Patent
Elektronische Ressource
Chinesisch
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