Generative Multi Source Domain Adaptation

Sep 25, 2019 ICLR 2020 Conference Withdrawn Submission readers: everyone
  • TL;DR: In this paper we propose generative method for multisource domain adaptation based on decomposition of content, style and domain factors.
  • Abstract: Most domain adaptation methods consider the problem of transferring knowledge to the target domain from a single source dataset. However, in practical applications, we typically have access to multiple sources. In this paper we propose the first approach for Multi-Source Domain Adaptation (MSDA) based on Generative Adversarial Networks. Our method is inspired by the observation that the appearance of a given image depends on three factors: the domain, the style (characterized in terms of low-level features variations) and the content. For this reason we propose to project the image features onto a space where only the dependence from the content is kept, and then re-project this invariant representation onto the pixel space using the target domain and style. In this way, new labeled images can be generated which are used to train a final target classifier. We test our approach using common MSDA benchmarks, showing that it outperforms state-of-the-art methods.
  • Keywords: Domain Adaptation, Generative Adversarial Networks
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