摘要： 研究了重心法、Hough变换、圆拟合算法及空间矩算法，通过理论分析与实验测试，找到一种能有效提高激光光斑中心检测抗干扰性能和定位精度的算法，该算法适用于对测量精度要求高的实时自动测量，并被成功地用于渝黔高速公路太平庄大桥和安稳大桥的自动激光挠度测量系统中。

关键词: 激光光斑, 中心, 改进

Abstract: This paper analyzes algorithms of gravity model, Hough transform, circle fitting, and spatial moment operators. An improved algorithm of laser spot center location is given after theoretical analysis and experiment, which can improve the location precision and anti-interference performance efficiently, and is suitable for real-time measurement. The algorithm is used in a laser deflection measurement system installed on Taipingzhang bridge and Anwen bridge of Yuqian expressway.

Key words: laser spot, center, improvement

中图分类号: 

• TP301.6