Increasing Interpretability of Neural Networks By Approximating Human Visual Saliency

• URL: http://arxiv.org/abs/2410.16115v1
• Date: Mon, 21 Oct 2024 15:42:27 GMT
• Title: Increasing Interpretability of Neural Networks By Approximating Human Visual Saliency
• Authors: Aidan Boyd, Mohamed Trabelsi, Huseyin Uzunalioglu, Dan Kushnir,
• Abstract summary: Recent advances have shown that guiding models to human-defined regions of saliency within individual images significantly increases performance and interpretability. We propose a combination strategy of saliency incorporation and active learning to reduce the human annotation data required by 80% while maintaining the interpretability and performance increase from human saliency.
• Score: 4.061099610106136
• License:
• Abstract: Understanding specifically where a model focuses on within an image is critical for human interpretability of the decision-making process. Deep learning-based solutions are prone to learning coincidental correlations in training datasets, causing over-fitting and reducing the explainability. Recent advances have shown that guiding models to human-defined regions of saliency within individual images significantly increases performance and interpretability. Human-guided models also exhibit greater generalization capabilities, as coincidental dataset features are avoided. Results show that models trained with saliency incorporation display an increase in interpretability of up to 30% over models trained without saliency information. The collection of this saliency information, however, can be costly, laborious and in some cases infeasible. To address this limitation, we propose a combination strategy of saliency incorporation and active learning to reduce the human annotation data required by 80% while maintaining the interpretability and performance increase from human saliency. Extensive experimentation outlines the effectiveness of the proposed approach across five public datasets and six active learning criteria.

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