Generative Adversarial Network (GAN)

Arsitektur deep learning dengan dua neural network (generator + discriminator) yang saling melatih. Dicetuskan Ian Goodfellow 2014. Pendorong image generation awal.

GAN: Generator menghasilkan fake, Discriminator membedakan real vs fake. Aplikasi: StyleGAN (wajah), CycleGAN (style transfer), BigGAN. Sekarang banyak digantikan diffusion model.

Also known as: jaringan adversarial generatif
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Generative Adversarial Network

Definisi

GAN diperkenalkan oleh Ian Goodfellow et al. pada 2014. Terdiri dari dua neural network yang saling bertarung:

  • Generator (G) — membuat data palsu
  • Discriminator (D) — membedakan data asli vs palsu

Training: G mencoba mengelabui D, D belajar membedakan. Equilibrium tercapai saat G menghasilkan data yang tidak bisa dibedakan dari asli.

Variasi

  • DCGAN (2015) — deep convolutional
  • StyleGAN (2018–2024) — wajah realistis
  • CycleGAN (2017) — unpaired image-to-image
  • BigGAN (2018) — kelas ImageNet
  • Wasserstein GAN (2017) — training stabil

Connected to

Not yet written

The following pages are referenced but don't exist yet — they'd make good future additions.

  • /concepts/generative-ai

References

  1. Wikipedia

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