12 Jun 2016 | Xi Chen†‡, Yan Duan††, Rein Houthooft†‡, John Schulman†‡, Ilya Sutskever†, Pieter Abbeel†‡
InfoGAN is an information-theoretic extension of Generative Adversarial Networks (GANs) that learns disentangled and interpretable representations in an unsupervised manner. It maximizes the mutual information between a subset of latent variables and observations, enabling the model to learn meaningful and structured representations. InfoGAN successfully disentangles features such as writing style from digit shape on MNIST, pose from lighting in 3D images, and background digits from the central digit on SVHN. It also discovers visual concepts like hair style, presence of glasses, and emotions on the CelebA dataset. Experiments show that InfoGAN's representations are competitive with those learned by supervised methods.
Unlike previous methods that require supervision, InfoGAN is completely unsupervised and learns representations without explicit labels. It introduces a mutual information cost to the GAN objective, encouraging the generator to use latent variables effectively. This approach allows InfoGAN to learn both discrete and continuous latent factors, scale to complex datasets, and typically requires no more training time than standard GANs.
The mutual information between latent codes and generated images is maximized by using a variational lower bound, which can be efficiently optimized. InfoGAN's training process is straightforward, and it can be applied to various image datasets, including MNIST, SVHN, and CelebA. The model's ability to learn interpretable representations has been demonstrated on multiple datasets, showing that it can recover important semantic features without supervision.
InfoGAN's architecture is based on GANs, with modifications to the objective function to incorporate mutual information maximization. It uses a neural network to approximate the auxiliary distribution, enabling efficient optimization. The model's performance is validated through experiments on various datasets, where it successfully learns disentangled and interpretable representations. The results suggest that generative modeling with mutual information regularization is a promising approach for learning disentangled representations.InfoGAN is an information-theoretic extension of Generative Adversarial Networks (GANs) that learns disentangled and interpretable representations in an unsupervised manner. It maximizes the mutual information between a subset of latent variables and observations, enabling the model to learn meaningful and structured representations. InfoGAN successfully disentangles features such as writing style from digit shape on MNIST, pose from lighting in 3D images, and background digits from the central digit on SVHN. It also discovers visual concepts like hair style, presence of glasses, and emotions on the CelebA dataset. Experiments show that InfoGAN's representations are competitive with those learned by supervised methods.
Unlike previous methods that require supervision, InfoGAN is completely unsupervised and learns representations without explicit labels. It introduces a mutual information cost to the GAN objective, encouraging the generator to use latent variables effectively. This approach allows InfoGAN to learn both discrete and continuous latent factors, scale to complex datasets, and typically requires no more training time than standard GANs.
The mutual information between latent codes and generated images is maximized by using a variational lower bound, which can be efficiently optimized. InfoGAN's training process is straightforward, and it can be applied to various image datasets, including MNIST, SVHN, and CelebA. The model's ability to learn interpretable representations has been demonstrated on multiple datasets, showing that it can recover important semantic features without supervision.
InfoGAN's architecture is based on GANs, with modifications to the objective function to incorporate mutual information maximization. It uses a neural network to approximate the auxiliary distribution, enabling efficient optimization. The model's performance is validated through experiments on various datasets, where it successfully learns disentangled and interpretable representations. The results suggest that generative modeling with mutual information regularization is a promising approach for learning disentangled representations.