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Asymmetric exponential loss function for crack segmentation
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DOI：10.1007/s00530-022-00944-4.png)
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Real-time and effective crack detection on public facilities is significant in maintaining the facilities even saving lives. Recent methods mostly explore the impact of model structures but neglect the impact from the loss functions. In this paper, we concentrate on analyzing the loss functions during the training process of crack segmentation tasks and propose an Asymmetric Exponential Loss Function (AELF) that addresses two key challenges, sample biases and data set biases. For the sample biases, AELF adopts an exponential loss function, thus can assign higher weights to the 'hard' samples, making the models concentrate on the crack details. For the data set biases, AELF leverages asymmetric protocol to balance the inevitable False Positive and False Negative samples. We conduct extensive experiments on three data sets of road, dam, and wall collected from real scenes. The impressive performances reveal the effectiveness of our proposed Asymmetric Exponential Loss Function.
Keyword:
Crack detection
Semantic segmentation
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3.1
论文数:
2.8K
被引数:
2.7K
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