Learning Quantifiable Visual Explanations Without Ground-Truth

• URL: http://arxiv.org/abs/2605.18681v1
• Date: Mon, 18 May 2026 17:21:48 GMT
• Title: Learning Quantifiable Visual Explanations Without Ground-Truth
• Abstract summary: We propose a framework that serves as a quantifiable metric for the quality of XAI methods.<n>We also propose a novel XAI method, considering the case where we fine-tune a model using a differentiable approximation of the metric.<n>We show that the explanations generated by this method outperform those of competing XAI techniques according to a number of quantifiable metrics.
• Score: 13.453747733500506
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Explainable AI (XAI) techniques are increasingly important for the validation and responsible use of modern deep learning models, but are difficult to evaluate due to the lack of good ground-truth to compare against. We propose a framework that serves as a quantifiable metric for the quality of XAI methods, based on continuous input perturbation. Our metric formally considers the sufficiency and necessity of the attributed information to the model's decision-making, and we illustrate a range of cases where it aligns better with human intuitions of explanation quality than do existing metrics. To exploit the properties of this metric, we also propose a novel XAI method, considering the case where we fine-tune a model using a differentiable approximation of the metric as a supervision signal. The result is an adapter module that can be trained on top of any black-box model to output causal explanations of the model's decision process, without degrading model performance. We show that the explanations generated by this method outperform those of competing XAI techniques according to a number of quantifiable metrics.

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