Not Just Pretty Pictures: Toward Interventional Data Augmentation Using Text-to-Image Generators

• URL: http://arxiv.org/abs/2212.11237v4
• Date: Mon, 3 Jun 2024 20:26:07 GMT
• Title: Not Just Pretty Pictures: Toward Interventional Data Augmentation Using Text-to-Image Generators
• Authors: Jianhao Yuan, Francesco Pinto, Adam Davies, Philip Torr,
• Abstract summary: We show how modern T2I generators can be used to simulate arbitrary interventions over such environmental factors. Our empirical findings demonstrate that modern T2I generators like Stable Diffusion can indeed be used as a powerful interventional data augmentation mechanism.
• Score: 12.053125079460234
• License: http://creativecommons.org/licenses/by-sa/4.0/
• Abstract: Neural image classifiers are known to undergo severe performance degradation when exposed to inputs that are sampled from environmental conditions that differ from their training data. Given the recent progress in Text-to-Image (T2I) generation, a natural question is how modern T2I generators can be used to simulate arbitrary interventions over such environmental factors in order to augment training data and improve the robustness of downstream classifiers. We experiment across a diverse collection of benchmarks in single domain generalization (SDG) and reducing reliance on spurious features (RRSF), ablating across key dimensions of T2I generation, including interventional prompting strategies, conditioning mechanisms, and post-hoc filtering. Our extensive empirical findings demonstrate that modern T2I generators like Stable Diffusion can indeed be used as a powerful interventional data augmentation mechanism, outperforming previously state-of-the-art data augmentation techniques regardless of how each dimension is configured.

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