Invariant Feature Regularization for Fair Face Recognition

• URL: http://arxiv.org/abs/2310.14652v1
• Date: Mon, 23 Oct 2023 07:44:12 GMT
• Title: Invariant Feature Regularization for Fair Face Recognition
• Authors: Jiali Ma, Zhongqi Yue, Kagaya Tomoyuki, Suzuki Tomoki, Karlekar Jayashree, Sugiri Pranata, Hanwang Zhang
• Abstract summary: We show that biased feature generalizes poorly in the minority group. We propose to generate diverse data partitions iteratively in an unsupervised fashion. INV-REG leads to new state-of-the-art that improves face recognition on a variety of demographic groups.
• Score: 45.23154294914808
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: Fair face recognition is all about learning invariant feature that generalizes to unseen faces in any demographic group. Unfortunately, face datasets inevitably capture the imbalanced demographic attributes that are ubiquitous in real-world observations, and the model learns biased feature that generalizes poorly in the minority group. We point out that the bias arises due to the confounding demographic attributes, which mislead the model to capture the spurious demographic-specific feature. The confounding effect can only be removed by causal intervention, which requires the confounder annotations. However, such annotations can be prohibitively expensive due to the diversity of the demographic attributes. To tackle this, we propose to generate diverse data partitions iteratively in an unsupervised fashion. Each data partition acts as a self-annotated confounder, enabling our Invariant Feature Regularization (INV-REG) to deconfound. INV-REG is orthogonal to existing methods, and combining INV-REG with two strong baselines (Arcface and CIFP) leads to new state-of-the-art that improves face recognition on a variety of demographic groups. Code is available at https://github.com/PanasonicConnect/InvReg.

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