Learning Disentangled Representations with Reference-Based Variational Autoencoders

Abstract : Learning disentangled representations from visual data, where high-level generative factors correspond to independent dimensions of feature vectors, is of importance for many computer vision tasks. Supervised approaches, however, require a significant annotation effort in order to label the factors of interest in a training set. To alleviate the annotation cost, we introduce a learning setting which we refer to as "reference-based disentangling''. Given a pool of unlabelled images, the goal is to learn a representation where a set of target factors are disentangled from others. The only supervision comes from an auxiliary "reference set'' that contains images where the factors of interest are constant. In order to address this problem, we propose reference-based variational autoencoders, a novel deep generative model designed to exploit the weak supervisory signal provided by the reference set. During training, we use the variational inference framework where adversarial learning is used to minimize the objective function. By addressing tasks such as feature learning, conditional image generation or attribute transfer, we validate the ability of the proposed model to learn disentangled representations from minimal supervision.
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https://hal.inria.fr/hal-01896007
Contributor : Adrià Ruiz <>
Submitted on : Wednesday, January 23, 2019 - 12:47:11 PM
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Adrià Ruiz, Oriol Martinez, Xavier Binefa, Jakob Verbeek. Learning Disentangled Representations with Reference-Based Variational Autoencoders. 2019. ⟨hal-01896007v2⟩

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