LibreRealESRGAN includes code ported from Real-ESRGAN and BasicSR:

Architecture (RRDBNet, SRVGGNetCompact, pixel_unshuffle)
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Source: https://github.com/XPixelGroup/BasicSR
License: Apache License, Version 2.0.
Copyright 2018-2022 BasicSR Authors.

Tiling / inference helper (seam-free tiled forward)
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Source: https://github.com/xinntao/Real-ESRGAN
License: BSD 3-Clause License.
Copyright (c) 2021, Xintao Wang. All rights reserved.

The released Real-ESRGAN generator weights (RealESRGAN_x4plus,
RealESRGAN_x2plus, realesr-general-x4v3) are distributed by the Real-ESRGAN
project under the BSD 3-Clause License. LibreYOLO mirrors converted checkpoints
with this provenance stated in the model cards and notices.

Citations:
Xintao Wang, Liangbin Xie, Chao Dong, and Ying Shan.
"Real-ESRGAN: Training Real-World Blind Super-Resolution with Pure Synthetic
Data." ICCV Workshops 2021.

Xintao Wang, Ke Yu, Shixiang Wu, Jinjin Gu, Yihao Liu, Chao Dong, Yu Qiao, and
Chen Change Loy. "ESRGAN: Enhanced Super-Resolution Generative Adversarial
Networks." ECCV Workshops 2018.
