Fairness and Bias Mitigation in Machine Learning

Report on Current Developments in Fairness and Bias Mitigation in Machine Learning

General Direction of the Field

The field of machine learning is currently witnessing a significant shift towards more comprehensive and nuanced approaches to fairness and bias mitigation. Researchers are increasingly focusing on addressing multiple types of biases simultaneously, including covariate and correlation shifts, as well as demographic and appearance-based biases. The integration of fairness considerations into the model training and evaluation processes is becoming more sophisticated, with a growing emphasis on developing methods that are both effective and computationally efficient.

One of the key trends is the development of novel frameworks that can handle complex real-world scenarios where multiple biases coexist. These frameworks aim to learn fair and invariant representations that generalize well to unseen domains, ensuring that models do not perpetuate existing biases. Additionally, there is a strong push towards creating synthetic data generation techniques that are fair by design, leveraging advancements in generative models and knowledge distillation to produce high-fidelity data without compromising on fairness or utility.

Another notable development is the increased attention to the impact of occlusions and other visual artifacts on the fairness of facial recognition systems. Studies are exploring how these factors exacerbate existing biases and proposing new metrics to quantify their effects. This research highlights the need for more robust and equitable face recognition models that can perform consistently across diverse demographic groups.

Noteworthy Papers

  • Learning Fair Invariant Representations under Covariate and Correlation Shifts Simultaneously: Introduces a novel approach that addresses both covariate and correlation shifts in a fairness-aware framework, demonstrating superior performance in both accuracy and fairness metrics.
  • Generating Synthetic Fair Syntax-agnostic Data by Learning and Distilling Fair Representation: Presents a fair data generation technique based on knowledge distillation, showing significant improvements in fairness, synthetic sample quality, and data utility over state-of-the-art methods.
  • Unlocking Intrinsic Fairness in Stable Diffusion: Identifies and mitigates bias in text-to-image models by perturbing text conditions, effectively unlocking the model's intrinsic fairness without additional tuning.

These papers represent significant advancements in the field, offering innovative solutions to complex problems and setting new benchmarks for fairness and bias mitigation in machine learning.

Sources

Learning Fair Invariant Representations under Covariate and Correlation Shifts Simultaneously

Fairness Under Cover: Evaluating the Impact of Occlusions on Demographic Bias in Facial Recognition

Generating Synthetic Fair Syntax-agnostic Data by Learning and Distilling Fair Representation

Gender Bias Evaluation in Text-to-image Generation: A Survey

Lookism: The overlooked bias in computer vision

BAdd: Bias Mitigation through Bias Addition

Unlocking Intrinsic Fairness in Stable Diffusion

A density ratio framework for evaluating the utility of synthetic data