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Ian Goodfellow: Generative Adversarial Networks (GANs)

Lex Fridman Podcast

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In the Game of Creativity, Competition Breeds Realism

The generator produces random images at the beginning of its learning process, while the discriminator evaluates these images against real ones to identify authenticity. The discriminator is trained on both real images and those generated by the generator to become proficient at distinguishing the two. As this competitive dynamic unfolds, the discriminator improves its recognition skills, and the generator evolves to produce increasingly convincing images. Ultimately, the system can reach a Nash equilibrium, indicating that the generator accurately reflects the probability distribution of genuine data, rendering the discriminator incapable of differentiation, as it encounters indistinguishable outputs from both the generator and real images.

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