AI Blog

AI Blog

by Michele Laurelli

Mixup

Technique
Definition

Data augmentation creating synthetic examples by mixing pairs of training samples.

Linearly interpolates between two samples and their labels: x = λx₁ + (1-λ)x₂. Improves generalization and calibration. Simple yet effective regularization.

Examples

1

Image classification augmentation

2

Regularization technique

3

Improved generalization

Michele Laurelli - AI Research & Engineering