Fairness-Aware Deepfake Detection: Leveraging Dual-Mechanism Optimization

• URL: http://arxiv.org/abs/2511.10150v3
• Date: Wed, 19 Nov 2025 14:27:30 GMT
• Title: Fairness-Aware Deepfake Detection: Leveraging Dual-Mechanism Optimization
• Authors: Feng Ding, Wenhui Yi, Yunpeng Zhou, Xinan He, Hong Rao, Shu Hu,
• Abstract summary: Biases in detection models toward different demographic groups, such as gender and race, may lead to systemic misjudgments.<n>We propose a dual-mechanism collaborative optimization framework to address this challenge.<n>Our framework improves both inter-group and intra-group fairness while maintaining overall detection accuracy across domains.
• Score: 13.52582347670271
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Fairness is a core element in the trustworthy deployment of deepfake detection models, especially in the field of digital identity security. Biases in detection models toward different demographic groups, such as gender and race, may lead to systemic misjudgments, exacerbating the digital divide and social inequities. However, current fairness-enhanced detectors often improve fairness at the cost of detection accuracy. To address this challenge, we propose a dual-mechanism collaborative optimization framework. Our proposed method innovatively integrates structural fairness decoupling and global distribution alignment: decoupling channels sensitive to demographic groups at the model architectural level, and subsequently reducing the distance between the overall sample distribution and the distributions corresponding to each demographic group at the feature level. Experimental results demonstrate that, compared with other methods, our framework improves both inter-group and intra-group fairness while maintaining overall detection accuracy across domains.

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