2017, 9(6): 67-72. doi: 10.16670/j.cnki.cn11-5823/tu.2017.06.11
基于图像处理的隧道掌子面地质构造信息提取研究
| 1. | 中铁十二局集团第三工程有限公司，山西太原 030000 |
| 2. | 石家庄学院，河北石家庄 050000 |
| 3. | 河北体育学院，河北石家庄 050000 |
Research on Extraction of Geological Structure Information of Tunnel Excavation Faces based on Image Processing
| 1. | The 3rd Engineering Co.， Ltd.， of China Railway 12th Bureau Group, Taiyuan 030000, China |
| 2. | Shijiazhuang University, Shijiazhuang 050000, China |
| 3. | Sport University, Shijiazhuang Hebei 050000, China |
引用本文:
李鹏云, 赵科, 陈孜迪, 秦利. 基于图像处理的隧道掌子面地质构造信息提取研究[J]. 土木建筑工程信息技术,
2017, 9(6): 67-72.
doi: 10.16670/j.cnki.cn11-5823/tu.2017.06.11
Citation:
Li Pengyun, Zhao Ke, Chen Zidi, Qin Li. Research on Extraction of Geological Structure Information of Tunnel Excavation Faces based on Image Processing[J]. Journal of Information Technologyin Civil Engineering and Architecture,
2017, 9(6): 67-72.
doi: 10.16670/j.cnki.cn11-5823/tu.2017.06.11
摘要:针对隧道施工过程中掌子面信息的提取难和提取复杂问题，本文采用图像处理的方法进行隧道掌子面地质信息统计与分析。过程中借助OpenCV提供的图像处理技术，首先采用对比度受限的自适应直方图均衡化方法提高图像质量，为后续锐化处理提供清晰图像，然后采用拉普拉斯算子进行锐化操作突出边缘信息，最后利用Canny算子进行边缘检测，将边缘检测的结果采用Hough变换检测直线，生成岩层和节理的直线描述以及统计结果。将处理结果生成掌子面地质素描，同时对检测出的直线进行统计与分析为围岩等级确定以及地质分析提供技术支持。
Abstract: In view of the difficulty and complexity of extracting the information of the tunnel excavation faces during the tunnel construction, this paper uses the image processing method to implement the statistics and analysis of the geological information of the tunnel excavation faces. The study is done with the help of image processing of OpenCV. Firstly, contrast-limited adaptive histogram equalization is applied to improve the image quality and provide a sharp image for the subsequent sharpening process. Then the sharpening operation using Laplace operator is adopted to highlight the edge information. Finally, the edge detection is performed by using Canny operator. The results of edge detection are detected by Hough transform, and the straight line description and statistics of rock formation and joint are generated. The results will generate the geological sketch of the excavation faces. The statistics and analysis of the detected lines will provide technical support for the determination of the grade of surrounding rock and the geological analysis.
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