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Official pre-trained models / external data thread

Pre-trained models and external data are allowed in this competition as long as they can be released under an Open Source License. We want to build on the best of what’s available. If you do use a pre-trained model or external data, please make sure to share in this thread for the rest of the community.

Thanks and good luck!


To start us off, here are some great external datasets allowable for use upon sharing here and with the proper attributions:

Generally speaking, allowable external data means that they’re publicly available and disclosed here for all participants to benefit from and licensed in a way that enables their use in models released under those open source software licenses mentioned above.

If you are wondering if a specific dataset or pre-trained model is allowed for use or not, please let the challenge organizers know in this thread and we’ll get back to you with an answer. Thank you!


Do we have to share if we’re using a model trained on ImageNet (for eg most of the default models in et al)?

Well, you just did :slight_smile:

For good measure, here’s a starter list of ImageNet pre-trained models:


Many thanks @daveluo_gfdrr :slight_smile:

Hello , i have recently participated in xview2 challenge, it is okay if i use their data also ?
this is the link for the official xview2 challenge dataset website :

and thank you!

Hi @Hasan_N,

Welcome to the challenge and thank you for checking about using the xView2 dataset.

Unfortunately, that dataset can’t be used here. xView2 data is licensed as Creative Commons Attribution-Noncommercial-Sharealike 4.0 International (CC BY-NC-SA 4.0) and the NonCommercial-Sharealike part potentially limits the open sourcing of solutions developed in this challenge.


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Thank you @daveluo_gfdrr