Improved GANs—Deep Convolutional GAN

Learn about an improved version of GANs, the deep convolutional GAN, and how it can be implemented.

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Vanilla GAN proved the potential of adversarial networks. The ease of setting up the models and the quality of the output sparked much interest in this field. This led to a lot of research in improving the GAN paradigm.

Published in 2016, this work by Radford et al. introduced several key contributions to improve GAN outputs apart from focusing on convolutional layers, which are discussed in the original GAN paperRadford, Alec, Luke Metz, and Soumith Chintala. 2015. “Unsupervised Representation Learning with Deep Convolutional Generative Adversarial Networks.” ArXiv.org. 2015. https://arxiv.org/abs/1511.06434.. The 2016 paper emphasized using deeper architectures instead. The following figure shows the generator architecture for a deep convolutional GAN (DCGAN) (as proposed by the authors). The generator takes the noise vector as input and then passes it through a repeating setup of up-sampling layers, convolutional layers (shown as CONV 1, CONV 2, CONV 3, and CONV 4), and batch normalization layers to stabilize the training.

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