Semi-supervised learning methods using Generative Adversarial Networks (GANs) have shown promising empirical success recently. Most of these methods use a shared discriminator/classifier which discriminates real examples from fake while also predicting the class label. Motivated by the ability of the GANs generator to capture the data manifold well, we propose to estimate the tangent space to the data manifold using GANs and employ it to inject invariances into the classifier. In the process, we propose enhancements over existing methods for learning the inverse mapping (i.e., the encoder) which greatly improves in terms of semantic similarity of the reconstructed sample with the input sample. We observe considerable empirical gains in semi-supervised learning over baselines, particularly in the cases when the number of labeled examples is low. We also provide insights into how fake examples influence the semi-supervised learning procedure.

本文提出了一种使用生成对抗网络的半监督学习方法，通过估计数据流形的切空间并注入不变性到分类器中来提高半监督学习性能，在学习反向映射时提出了改进的方法，并提供了关于假样本对半监督学习过程的影响的见解。

改进推理下的GAN半监督学习：流形不变性