Abstract
Real time detection of debris particle size is an important means to ensure the safe and efficient construction of TBM. In response to the problems of similar background, random and diverse contours, dense distribution, and overlapping accumulation of TBM debris, an improved YOLO v8 model for TBM tunnel surrounding rock debris detection is proposed. Using the preprocessing methods of ACE algorithm and CLAHE algorithm to improve image illumination intensity and contrast; Introducing deformable convolution to adapt to the irregular shape of debris; Add attention mechanism to the feature channel and selectively emphasize fragment features using global information to solve the problem of similar backgrounds; In the Prediction section, a dynamic non monotonic focusing mechanism is used to improve the quality of the anchor frame and further enhance the detection accuracy of debris recognition. Engineering validation was carried out based on the Dianzhong Water Diversion TBM project, and the results showed that the recognition rate of this method reached 95.7%, and the detection speed reached 43 FPS.
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This work was supported in part by the National Key Research and Development Program of China under Grant 2020YFB2007200.
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Jia, L., Wang, H., Wen, Y., Jiang, L. (2023). TBM Tunnel Surrounding Rock Debris Detection Based on Improved YOLO v8. In: Yang, H., et al. Intelligent Robotics and Applications. ICIRA 2023. Lecture Notes in Computer Science(), vol 14272. Springer, Singapore. https://doi.org/10.1007/978-981-99-6480-2_15
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DOI: https://doi.org/10.1007/978-981-99-6480-2_15
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