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Intervention Generative Adversarial Nets

In this paper we propose a novel approach for stabilizing the training process of Generative Adversarial Networks as well as alleviating the mode collapse problem. The main idea is to incorporate a regularization term that we call intervention into the objective. We refer to the resulting generative model as Intervention Generative Adversarial Networks (IVGAN). By perturbing the latent representations of real images obtained from an auxiliary encoder network with Gaussian invariant interventions and penalizing the dissimilarity of the distributions of the resulting generated images, the intervention term provides more informative gradient for the generator, significantly improving training stability and encouraging modecovering behaviour. We demonstrate the performance of our approach via solid theoretical analysis and thorough evaluation on standard real-world datasets as well as the stacked MNIST dataset.

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