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Deep saliency models : The quest for the loss function
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DOI：10.1016/j.neucom.2020.06.131.png)
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摘要
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Deep learning techniques are widely used to model human visual saliency, to such a point that state-ofthe-art performances are now only attained by deep neural networks. However, one key part of a typical deep learning model is often neglected when it comes to modeling visual saliency: the choice of the loss function. In this work, we explore some of the most popular loss functions that are used in deep saliency models. We demonstrate that on a fixed network architecture, modifying the loss function can significantly improve (or depreciate) the results, hence emphasizing the importance of the choice of the loss function when designing a model. We also evaluate the relevance of new loss functions for saliency prediction inspired by metrics used in style-transfer tasks. Finally, we show that a linear combination of several well-chosen loss functions leads to significant improvements in performance on different datasets as well as on a different network architecture, thus demonstrating the robustness of a combined metric. CO 2020 Elsevier B.V. All rights reserved.
Keyword:
Deep saliency models
Loss functions
Human visual saliency
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期刊
IF:
6.5
论文数:
2.5W
被引数:
6.5W
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