Enhancing Fairness in Neural Networks Using FairVIC

• URL: http://arxiv.org/abs/2404.18134v1
• Date: Sun, 28 Apr 2024 10:10:21 GMT
• Title: Enhancing Fairness in Neural Networks Using FairVIC
• Authors: Charmaine Barker, Daniel Bethell, Dimitar Kazakov,
• Abstract summary: Mitigating bias in automated decision-making systems, specifically deep learning models, is a critical challenge in achieving fairness. We introduce FairVIC, an innovative approach designed to enhance fairness in neural networks by addressing inherent biases at the training stage. We observe a significant improvement in fairness across all metrics tested, without compromising the model's accuracy to a detrimental extent.
• Score: 0.0
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Mitigating bias in automated decision-making systems, specifically deep learning models, is a critical challenge in achieving fairness. This complexity stems from factors such as nuanced definitions of fairness, unique biases in each dataset, and the trade-off between fairness and model accuracy. To address such issues, we introduce FairVIC, an innovative approach designed to enhance fairness in neural networks by addressing inherent biases at the training stage. FairVIC differs from traditional approaches that typically address biases at the data preprocessing stage. Instead, it integrates variance, invariance and covariance into the loss function to minimise the model's dependency on protected characteristics for making predictions, thus promoting fairness. Our experimentation and evaluation consists of training neural networks on three datasets known for their biases, comparing our results to state-of-the-art algorithms, evaluating on different sizes of model architectures, and carrying out sensitivity analysis to examine the fairness-accuracy trade-off. Through our implementation of FairVIC, we observed a significant improvement in fairness across all metrics tested, without compromising the model's accuracy to a detrimental extent. Our findings suggest that FairVIC presents a straightforward, out-of-the-box solution for the development of fairer deep learning models, thereby offering a generalisable solution applicable across many tasks and datasets.

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