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Focusing intermediate pixels loss for salient object segmentation
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DOI：10.1007/s11042-023-15873-1.png)
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摘要
En 中文
To improve the network performance of salient object segmentation, many researchers modified the loss functions and set weights to pixel losses. However, these loss functions paid less attention to intermediate pixels of which the predicted probabilities lie in the intermediate region between correct and incorrect classification. To solve this problem, focusing intermediate pixels loss is proposed. Firstly, foreground and background are divided into correct and incorrect classified sets respectively to discover intermediate pixels which are difficult to determine the category. Secondly, the intermediate pixels are paid more attention according to the predicted probability. Finally, misclassified pixels are strengthened dynamically with the order of training epochs. The proposed method can 1) make the model focus on intermediate pixels that have more uncertainty; 2) solve the vanishing gradient problem of Focal Loss for well-classified pixels. Experiment results on six public datasets and two different type of network structures show that the proposed method performs better than other state-of-the-art weighted loss functions and the average F-& beta; is increased by about 2.7% compared with typical cross entropy.
Keyword:
Salient object segmentation
Loss function
Deep learning
Intermediate pixels
期刊
IF:
3
论文数:
2.0W
被引数:
3.2W
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