Learning Robust Intervention Representations with Delta Embeddings

• URL: http://arxiv.org/abs/2508.04492v1
• Date: Wed, 06 Aug 2025 14:39:34 GMT
• Title: Learning Robust Intervention Representations with Delta Embeddings
• Authors: Panagiotis Alimisis, Christos Diou,
• Abstract summary: Causal representation learning has attracted significant research interest during the past few years.<n>We show that an effective strategy for improving out of distribution robustness is to focus on the representation of interventions in the latent space.<n>We propose a framework that is capable of learning causal representations from image pairs, without any additional supervision.
• Score: 5.124256074746721
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Causal representation learning has attracted significant research interest during the past few years, as a means for improving model generalization and robustness. Causal representations of interventional image pairs, have the property that only variables corresponding to scene elements affected by the intervention / action are changed between the start state and the end state. While most work in this area has focused on identifying and representing the variables of the scene under a causal model, fewer efforts have focused on representations of the interventions themselves. In this work, we show that an effective strategy for improving out of distribution (OOD) robustness is to focus on the representation of interventions in the latent space. Specifically, we propose that an intervention can be represented by a Causal Delta Embedding that is invariant to the visual scene and sparse in terms of the causal variables it affects. Leveraging this insight, we propose a framework that is capable of learning causal representations from image pairs, without any additional supervision. Experiments in the Causal Triplet challenge demonstrate that Causal Delta Embeddings are highly effective in OOD settings, significantly exceeding baseline performance in both synthetic and real-world benchmarks.

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