手法を比較

	Generative Adversarial Network	Wasserstein GAN (WGAN)
分野	深層学習	深層学習
系統	Machine learning	Machine learning
提唱年	2014	2017
提唱者	Goodfellow, I. et al.	Martín Arjovsky, Soumith Chintala & Léon Bottou
種類	Generative deep learning (adversarial two-network game)	Generative adversarial network variant
原典	Goodfellow, I. et al. (2014). Generative Adversarial Nets. NeurIPS.	Arjovsky, M., Chintala, S., & Bottou, L. (2017). Wasserstein generative adversarial networks. International Conference on Machine Learning (ICML), 214–223.
別名	Üretici Çekişmeli Ağ (GAN), GAN, generative adversarial nets, adversarial network	WGAN, Earth-Mover GAN, Wasserstein Generative Adversarial Network, Wasserstein-GAN
関連	4	3
概要	A Generative Adversarial Network (GAN), introduced by Ian Goodfellow and colleagues in 2014, produces realistic synthetic data through the competition of two neural networks — a generator and a discriminator. It is widely used for image synthesis, data augmentation, and distribution estimation.	Wasserstein GAN (WGAN) is a generative adversarial network variant introduced by Arjovsky, Chintala, and Bottou in 2017 that replaces the Jensen-Shannon divergence used in the original GAN with the Wasserstein-1 (Earth Mover) distance. This substitution provides a theoretically grounded training objective that yields more stable optimization and a loss value that correlates meaningfully with generated sample quality, addressing the notorious mode collapse and vanishing gradient problems of standard GANs.