The invention belongs to the technical field of rail transit disease detection, and provides a turnout switch rail close contact detection method based on a depth image and a texture image. The texture images and the depth images of the steel rail and the switch rail can be obtained at the same time, and detection and measurement of insufficient steel rail attachment can be achieved from multiple dimensions based on the texture images and the depth images. The imaging unit is a linear structured light 3D camera, and when the 3D camera is installed on the inclined upper portion of the inner side of the steel rail, the detection system performs inclined imaging and performs measurement from the inner side, the inner edge of the steel rail can be clearly imaged, and compared with vertical imaging, the obtained inner edge data of the steel rail are richer and more accurate. And the distance between the inner side edge plane of the steel rail and the edge plane of the first step of the switch rail is used for judging whether close attachment exists, and better robustness is achieved.
本发明属于轨道交通病害检测技术领域,提供了一种基于深度图像与纹理图像的道岔尖轨密贴检测方法。本发明可以同时获取钢轨、尖轨的纹理图像和深度图像,基于纹理图像和深度图像,可以从多个维度实现钢轨靠贴不足的检测与测量。其成像单元为线结构光3D相机,且3D相机安装于钢轨内侧斜上方时,该检测系统倾斜成像,从内侧进行测量时,能够对钢轨内边缘清楚成像,相比垂直成像,获取的钢轨内边缘数据更丰富,并利用钢轨内侧边缘平面尖轨第一台阶边缘平面的距离来判定是否密贴,具有更好的鲁棒性。
Turnout switch rail close contact detection method based on depth image and texture image
一种基于深度图像与纹理图像的道岔尖轨密贴检测方法
2023-10-24
Patent
Electronic Resource
Chinese
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