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How do diffusion models compare to GANs and VAEs in terms of training stability and generated data quality, and why are they gaining popularity?

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Diffusion models are gaining popularity due to their superior training stability and high-quality generated data compared to GANs and VAEs. Unlike GANs, which can be unstable and prone to mode collapse, diffusion models iteratively refine a random noise input, leading to better training stability and convergence. They can generate images with impressive details and realism, avoiding common GAN issues.

When compared to VAEs, diffusion models excel in capturing data diversity and finer features, making them particularly effective for image synthesis. VAEs, while simpler to train, may not match the quality and diversity of data generated by diffusion models. The iterative nature of diffusion models allows for the generation of more realistic and detailed images, although they can be computationally expensive.

In summary, diffusion models offer a promising approach to generative modeling, providing inherent stability and high-quality outputs, which are key factors in their increasing adoption in the field of AI and machine learning.

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