基于高精度摄影测量的铁轨竖向位移研究

Research on Rail Vertical Displacement Based on High Precision Photogrammetry

高精度摄影测量作为一种精度较高的新型测量手段,是一种基于计算机视觉原理、数字图像处理和数值计算的、非接触、非干涉、全场变形光学测量方法,目前正逐步运用于工程实践中。其优点是设备结构简单、适用性强,同时拥有较强的扩展性。文章通过其在工程实践中的运用,通过与传统测量手段进行对比,来研究其在铁路轨道竖向位移监测中的适用性与准确性。

High precision photogrammetry,as a new type of measurement method with high accuracy,is a non-contact,non-interference,and full field deformation optical measurement method based on computer vision principles,digital image processing,and numerical calculation.It is gradually being applied in engineering practice.Its advantages are simple device structure,strong applicability,and strong scalability.The article studies its applicability and accuracy in vertical displacement monitoring of railway tracks through its application in engineering practice and comparison with traditional measurement methods.