A beginner's guide to the Esrgan model by Xinntao on Replicate

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This is a simplified guide to an AI model called Esrgan maintained by Xinntao. If you like these kinds of analysis, you should join AImodels.fyi or follow us on Twitter.

Model overview

The esrgan model is an image super-resolution model that can upscale low-resolution images by 4x. It was developed by researchers at Tencent and the Chinese Academy of Sciences, and is an enhancement of the SRGAN model. The esrgan model uses a deeper neural network architecture called Residual-in-Residual Dense Blocks (RRDB) without batch normalization layers, which helps it achieve superior performance compared to previous models like SRGAN. It also employs the Relativistic average GAN loss function and improved perceptual loss to further boost image quality.

The esrgan model can be seen as a more advanced version of the Real-ESRGAN model, which is a practical algorithm for real-world image restoration that can also remove JPEG compression artifacts. The Real-ESRGAN model extends the original esrgan with additional features and improvements.