On gradient regularizers for MMD GANs
2018
We propose a principled method for gradient-based regularization of the critic of GAN-like models trained by adversarially optimizing the kernel of a Maximum Mean Discrepancy (MMD). Our method is based on studying the behavior of the optimized MMD, and constrains the gradient based on analytical results rather than an optimization penalty. Experimental results show that the proposed regularization leads to stable training and outperforms state-of-the art methods on image generation, including on 160 × 160 CelebA and 64 × 64 ImageNet.
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