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Improved generator objectives for GANs

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arxiv 1612.02780 v1 pith:6ZSJCAQF submitted 2016-12-08 cs.LG stat.ML

classification cs.LGstat.ML
keywords generatorobjectivessamplediversityimprovedtargetalternatingapproximate
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abstract

We present a framework to understand GAN training as alternating density ratio estimation and approximate divergence minimization. This provides an interpretation for the mismatched GAN generator and discriminator objectives often used in practice, and explains the problem of poor sample diversity. We also derive a family of generator objectives that target arbitrary $f$-divergences without minimizing a lower bound, and use them to train generative image models that target either improved sample quality or greater sample diversity.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. DGSAN: Discrete Generative Self-Adversarial Network

    cs.LG 2019-08 conditional novelty 6.0 of 10

    DGSAN trains an explicit discrete generator by iteratively maximizing an objective that compares the new generator's density to the old one's, avoiding gradient passing through discrete samples.

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