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Informative Sample Mining Network for Multi-domain Image-to-Image Translation

Conference paper
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Part of the Lecture Notes in Computer Science book series (LNCS, volume 12364)

Abstract

The performance of multi-domain image-to-image translation has been significantly improved by recent progress in deep generative models. Existing approaches can use a unified model to achieve translations between all the visual domains. However, their outcomes are far from satisfying when there are large domain variations. In this paper, we reveal that improving the sample selection strategy is an effective solution. To select informative samples, we dynamically estimate sample importance during the training of Generative Adversarial Networks, presenting Informative Sample Mining Network. We theoretically analyze the relationship between the sample importance and the prediction of the global optimal discriminator. Then a practical importance estimation function for general conditions is derived. Furthermore, we propose a novel multi-stage sample training scheme to reduce sample hardness while preserving sample informativeness. Extensive experiments on a wide range of specific image-to-image translation tasks are conducted, and the results demonstrate our superiority over current state-of-the-art methods.

Keywords

Image-to-image translation Multi-domain image generation Generative adversarial networks 

Notes

Acknowledgement

This work is funded by the National Natural Science Foundation of China (Grant No. U1836217), Beijing Natural Science Foundation (Grant No. JQ18017) and Youth Innovation Promotion Association CAS (Grant No. Y201929).

Supplementary material

504475_1_En_24_MOESM1_ESM.pdf (16.2 mb)
Supplementary material 1 (pdf 16591 KB)

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.Center for Research on Intelligent Perception and Computing, NLPR, CASIABeijingChina
  2. 2.Center for Excellence in Brain Science and Intelligence Technology, CASBeijingChina
  3. 3.School of Artificial IntelligenceUniversity of Chinese Academy of SciencesBeijingChina

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