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Bram Grooten

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#machine learning Preprint Oct 2026

How (and How Not) to Use Data Augmentation in VLA Post-Training

Vision-language-action (VLA) models currently demonstrate strong performance in a wide range of real-world robotics tasks. However, they often still lack the generalization ability to handle large visual out-of-distribution shifts. Post-training of VLAs with reinforcement learning (RL) has been shown to benefit robustn...

Bram Grooten, J. Vanschoren · 0 citations