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AutoAugment and RandAugment image-augmentation policy family

Contribution grade

Learned data augmentation · Human-designed research method or resource

Reference score140,000Provisional editorial estimate of this exact contribution; its grade is assessed separately.

What changed

AutoAugment searches operation/probability/magnitude subpolicies using validation rewards; RandAugment replaces the separate proxy search with uniform sampled operations and a small count/magnitude parameter space.

Scientific scope

AutoAugment searches operation/probability/magnitude subpolicies using validation rewards; RandAugment replaces the separate proxy search with uniform sampled operations and a small count/magnitude parameter space. These related original/efficient-extension methods form one family with separate source bylines. Image operations and baseline augmentations are inherited. RandAugment still tunes count and magnitude, typically by grid search, and is not parameter-free. The original AutoAugment v1 has 16 candidate operations including SamplePairing, unlike later variants.

Evidence

The linked original sources describe the stated contribution and its evidence limits. WRS has not independently rerun the experiments or certified a proof. These related original/efficient-extension methods form one family with separate source bylines. Image operations and baseline augmentations are inherited. RandAugment still tunes count and magnitude, typically by grid search, and is not parameter-free. The original AutoAugment v1 has 16 candidate operations including SamplePairing, unlike later variants.

Contributors

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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