^pof;
Optoelectronic;
Measurement;
and;
Control;
Technology,;
Beijing;
Jiaotong;
University,;
Beijing;
100044,;
China;
^pInspection;
Center,;
Ministry;
of;
China;
Railway,;
Beijing;
100081,;
China;
轨道检查车; 激光相机; 摄像系统; 测量系统; 不规则结构; 高速列车; 机器视觉; 测量原理;