Toward Fairness Through Fair Multi-Exit Framework for Dermatological Disease Diagnosis

• URL: http://arxiv.org/abs/2306.14518v2
• Date: Sat, 1 Jul 2023 10:05:15 GMT
• Title: Toward Fairness Through Fair Multi-Exit Framework for Dermatological Disease Diagnosis
• Authors: Ching-Hao Chiu, Hao-Wei Chung, Yu-Jen Chen, Yiyu Shi, Tsung-Yi Ho
• Abstract summary: We develop a fairness-oriented framework for medical image recognition. Our framework can improve the fairness condition over the state-of-the-art in two dermatological disease datasets.
• Score: 16.493514215214983
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Fairness has become increasingly pivotal in medical image recognition. However, without mitigating bias, deploying unfair medical AI systems could harm the interests of underprivileged populations. In this paper, we observe that while features extracted from the deeper layers of neural networks generally offer higher accuracy, fairness conditions deteriorate as we extract features from deeper layers. This phenomenon motivates us to extend the concept of multi-exit frameworks. Unlike existing works mainly focusing on accuracy, our multi-exit framework is fairness-oriented; the internal classifiers are trained to be more accurate and fairer, with high extensibility to apply to most existing fairness-aware frameworks. During inference, any instance with high confidence from an internal classifier is allowed to exit early. Experimental results show that the proposed framework can improve the fairness condition over the state-of-the-art in two dermatological disease datasets.

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