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Towards Causal VQA: Revealing and Reducing Spurious Correlations by Invariant and Covariant Semantic Editing

MPS-Authors
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Agarwal,  Vedika
Computer Vision and Machine Learning, MPI for Informatics, Max Planck Society;

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Shetty,  Rakshith
Computer Vision and Machine Learning, MPI for Informatics, Max Planck Society;

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Fulltext (public)

arXiv:1912.07538.pdf
(Preprint), 9MB

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Citation

Agarwal, V., Shetty, R., & Fritz, M. (2019). Towards Causal VQA: Revealing and Reducing Spurious Correlations by Invariant and Covariant Semantic Editing. Retrieved from http://arxiv.org/abs/1912.07538.


Cite as: http://hdl.handle.net/21.11116/0000-0005-7482-5
Abstract
Despite significant success in Visual Question Answering (VQA), VQA models have been shown to be notoriously brittle to linguistic variations in the questions. Due to deficiencies in models and datasets, today's models often rely on correlations rather than predictions that are causal w.r.t. data. In this paper, we propose a novel way to analyze and measure the robustness of the state of the art models w.r.t semantic visual variations as well as propose ways to make models more robust against spurious correlations. Our method performs automated semantic image manipulations and tests for consistency in model predictions to quantify the model robustness as well as generate synthetic data to counter these problems. We perform our analysis on three diverse, state of the art VQA models and diverse question types with a particular focus on challenging counting questions. In addition, we show that models can be made significantly more robust against inconsistent predictions using our edited data. Finally, we show that results also translate to real-world error cases of state of the art models, which results in improved overall performance