近景摄影测量沉降标志设计与自动识别算法研究

Study on the Design and Automatic Identification Algorithm of Settlement Survey Mark Used in Close-range Photogrammetry

随着高速铁路的不断兴建,高速铁路的沉降问题受到密切关注,对高速铁路的桥墩、路基等工程结构的沉降监测要求变得更加严格。本文针对传统监测方法效率低、数据处理周期长等问题,提出了一种利用近景摄影测量进行沉降监测的方案,并设计沉降监测标志,实现了标志自动识别和高程的自动解算,为实现自动化沉降监测提供核心基础。

With the constant construction of high-speed railways,the settlement of high-speed railways is closely focused.The settlement survey of the bridge piers and roadbeds become stricter. For the low efficiency and time-consuming data processing of the traditional settlement monitor method,a method using the close-range photogrammetry is put forward in this paper.The settlement survey mark is designed and can be automatically identified.The change of the elevation can be calculated automatically and it creates a foundation for the automatic monitoring system in the future.