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A lightweight crack segmentation network based on knowledge distillation
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AI
DOI：10.1016/j.jobe.2023.107200.png)
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摘要
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This paper presents a novel approach for addressing the challenges of large parameter volumes and high computational complexity in existing deep learning models for crack detection. This method involves training a student model using a pretrained teacher model to guide the learning process. The novelty of the method is the use of channel-wise knowledge distillation to normalize activation maps between the teacher and student models, followed by the minimization of the asymmetric Kullback-Leibler divergence to achieve optimal model performance. By focusing on imitating regions with prominent activation values, the student model achieves accurate crack localization. Test results show that the method improves crack segmentation, based on improvements in the F1_score and intersection over union by 2.17% and 3.55%, respectively, and outperforms other compared knowledge distillation methods. A lightweight crack segmentation model that ensures accuracy and efficiency is established in this study, which can provide an efficient solution for crack segmentation in real-world scenarios.
Keyword:
Crack segmentation
Deep learning
Knowledge distillation
Lightweight network
Channel -wise distillation
期刊
IF:
7.4
论文数:
1.7W
被引数:
6.6W
机构
引用论文
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SENSORS
OAAI
SENSORSIF3.5
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