Closed-Loop Training for Projected GAN

doi:10.1109/LSP.2023.3337711

Closed-Loop Training for Projected GAN

2024-01-01

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AI

DOI：10.1109/LSP.2023.3337711

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Abstract

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Projected GAN, a pre-trained GAN, has been found to perform well in generating images with only a few training samples. However, it struggles with extended training, which may lead to decreased performance over time. This is because the pre-trained discriminator consistently surpasses the generator, creating an unstable training environment. In this work, we propose a solution to this issue by introducing closed-loop control (CLC) into the dynamics of Projected GAN, stabilizing training, and improving generation performance. Our proposed method consistently reduces the Frechet Inception Distance (FID) of the previous methods; for example, it reduces the FID of Projected GAN by 4.31 on the Obama dataset. Our finding is fundamental and can be used in other pre-trained GANs.

Keywords:

Generative adversarial networks

Training

Transfer functions

Feature extraction

Generators

Image synthesis

Frequency-domain analysis

control theory

few-shot image generation

Closed-Loop Training for Projected GAN

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