Generative adversarial networks

Generative adversarial networks, popularly known as GANs, are generative models that learn a specific probability distribution through a generator, G. The generator G plays a zero sum minimax game with a discriminator D and both evolve over time, before the Nash equilibrium is reached. The generator tries to produce samples similar to the ones generated by a given probability distribution, P(x), while the discriminator D tries to distinguish those fake data samples generated by the generator G from the data sample from the original distribution. The generator G tries to generate samples similar to the ones from P(x), by converting samples, z, drawn from a noise distribution, P(z). The discriminator, D, learns ...

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