| sen-bridge |
| Copyright 2026 Nikhil Raghavendra |
| Licensed under the Apache License, Version 2.0 (see LICENSE). |
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| This product includes software adapted from third-party projects, uses third-party |
| model weights that it does not redistribute, and builds a dataset from third-party |
| data. Their licence texts are in licenses/. |
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| CODE |
| - pytorch-fid (Apache-2.0), Maximilian Seitzer. The FID Inception-v3 block variants in |
| sen_bridge/torch.py, the graph in sen_bridge/jax.py and the Frechet distance in |
| sen_bridge/fid_core.py are adapted from it. The project ships no NOTICE file. |
| https: |
| - clean-fid (MIT), Copyright (c) 2021 Gaurav Parmar. The 299x299 bicubic resize in |
| sen_bridge/resize.py is adapted from it. |
| https: |
| - PerceptualSimilarity / lpips (BSD-2-Clause), Copyright (c) 2018 Richard Zhang, |
| Phillip Isola, Alexei A. Efros, Eli Shechtman, Oliver Wang. The LPIPS computation |
| is ported from it. |
| https: |
| - torchvision (BSD-3-Clause), Copyright (c) Soumith Chintala 2016. Used as a |
| dependency (Inception block and VGG16 definitions); not redistributed. |
| (licenses/LICENSE-torchvision.txt) |
| Each adapted file states its changes from the original in its module docstring. |
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| WEIGHTS (not redistributed; downloaded from their original hosts on first use and |
| checked against pinned SHA-256 digests) |
| - FID Inception-v3: the TensorFlow inception-2015-12-05 weights as converted by |
| pytorch-fid. Original archive licence: Apache-2.0, Copyright 2015 The TensorFlow |
| Authors (licenses/LICENSE-tensorflow-inception.txt) |
| - LPIPS v0.1 linear layers (VGG): BSD-2-Clause, distributed in the lpips repository. |
| - VGG16 ImageNet trunk (torchvision vgg16-397923af): torchvision publishes no |
| separate licence for its weights and says its pre-trained models "may have their |
| own licenses or terms and conditions derived from the dataset used for training". |
| The maintainer has decided to use them; see docs/LICENSES.md. |
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| DATA (the SEN-Bridge dataset, released separately from this code) |
| - Licence: CC BY 4.0 (licenses/LICENSE-CC-BY-4.0.txt), the licence of its source. |
| - Derived from SSL4EO-S12 v1.1 (CC BY 4.0), Blumenstiel, Ait Ali Braham, Albrecht, |
| Maurogiovanni and Fraccaro, arXiv:2503.00168, which builds on SSL4EO-S12, Wang, |
| Ait Ali Braham, Xiong, Liu, Albrecht and Zhu, arXiv:2211.07044. |
| https: |
| - Contains modified Copernicus Sentinel data 2019-2021 (required notice under the |
| Copernicus Sentinel data licence). |
| - Changes made to the source data: centre-crop and 2x2 averaging to 128x128 at 20 m |
| (radar in linear power), 8-bit normalisation, filtering and selection, and added |
| metadata. The dataset card lists them in full. |
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