iCITRIS: Causal Representation Learning for Instantaneous Temporal Effects

• URL: http://arxiv.org/abs/2206.06169v1
• Date: Mon, 13 Jun 2022 13:56:40 GMT
• Title: iCITRIS: Causal Representation Learning for Instantaneous Temporal Effects
• Authors: Phillip Lippe, Sara Magliacane, Sindy L\"owe, Yuki M. Asano, Taco Cohen, Efstratios Gavves
• Abstract summary: Causal representation learning is the task of identifying the underlying causal variables and their relations from high-dimensional observations. We propose iCITRIS, a causal representation learning method that can handle instantaneous effects in temporal sequences. In experiments on three video datasets, iCITRIS accurately identifies the causal factors and their causal graph.
• Score: 36.358968799947924
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: Causal representation learning is the task of identifying the underlying causal variables and their relations from high-dimensional observations, such as images. Recent work has shown that one can reconstruct the causal variables from temporal sequences of observations under the assumption that there are no instantaneous causal relations between them. In practical applications, however, our measurement or frame rate might be slower than many of the causal effects. This effectively creates "instantaneous" effects and invalidates previous identifiability results. To address this issue, we propose iCITRIS, a causal representation learning method that can handle instantaneous effects in temporal sequences when given perfect interventions with known intervention targets. iCITRIS identifies the causal factors from temporal observations, while simultaneously using a differentiable causal discovery method to learn their causal graph. In experiments on three video datasets, iCITRIS accurately identifies the causal factors and their causal graph.

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