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mixup data augmentation #469

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stephenyan1231
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Summary: This diff implements the mixup data augmentation in the paper mixup: Beyond Empirical Risk Minimization (https://arxiv.org/abs/1710.09412)

Differential Revision: D20911088

@facebook-github-bot facebook-github-bot added CLA Signed This label is managed by the Facebook bot. Authors need to sign the CLA before a PR can be reviewed. fb-exported labels Apr 8, 2020
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This pull request was exported from Phabricator. Differential Revision: D20911088

stephenyan1231 added a commit to stephenyan1231/ClassyVision-1 that referenced this pull request Apr 8, 2020
Summary:
Pull Request resolved: facebookresearch#469

This diff implements the mixup data augmentation in the paper `mixup: Beyond Empirical Risk Minimization` (https://arxiv.org/abs/1710.09412)

Differential Revision: D20911088

fbshipit-source-id: 479ab9c74b9d326fec0a5f14a6ff82b11a198d54
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This pull request was exported from Phabricator. Differential Revision: D20911088

Summary:
Pull Request resolved: facebookresearch#469

This diff implements the mixup data augmentation in the paper `mixup: Beyond Empirical Risk Minimization` (https://arxiv.org/abs/1710.09412)

Empirically, it is much faster to do mixup transform on gpu than doing that on cpu.

# Results
accuracy gain
- 1.0% with 135 training epochs
- 1.3% with 270 training epochs

[TODO]: fix accuracy meter at training phases.

Reviewed By: mannatsingh

Differential Revision: D20911088

fbshipit-source-id: bc658b1b8e12b9b5819903d93e07c73bcbe6ddd8
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This pull request was exported from Phabricator. Differential Revision: D20911088

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This pull request has been merged in 3539f57.

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