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Clarification on [1] in swinunetr_pretrained README and training pipeline of ssl_pretrained_weights.pth

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pytorch

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从 self_supervised_pretraining/swinunetr_pretrained/README.md 及其参考文献 [1] 开始,然后将文档中记录的 pipeline 与 research-contributions/SwinUNETR/Pretrain 及其 SSLHead 进行比较。使用列出的 ssl_pretrained_weights.pth checkpoint keys 来追踪生成它的 pipeline。完成标准是 README 指明 [1],并清楚说明该 checkpoint 的训练 pipeline。

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描述

Hi MONAI team,

I’m trying to understand the origin of the pretrained weight:
ssl_pretrained_weights.pth (from MONAI-extra-test-data, ~719MB).

From the checkpoint structure, it contains:

  • encoder.*
  • decoder*
  • out.conv.*
  • encoder.mask_token

which looks like a full encoder-decoder model.


I found the following description in the tutorial README:
https://github.com/Project-MONAI/tutorials/blob/main/self_supervised_pretraining/swinunetr_pretrained/README.md

"The entire SwinUNETR model including encoder and decoder was trained end-to-end using self-supervised learning techniques as outlined in [1]."

However, it is unclear what [1] refers to in terms of actual training code or pipeline.


Could you please help clarify:

  1. What exactly does reference [1] correspond to?
    (Is it a specific paper, or an internal training implementation?)

  2. Was ssl_pretrained_weights.pth trained using the
    research-contributions/SwinUNETR/Pretrain (SSLHead: rotation + contrastive + reconstruction),
    or a different encoder-decoder / autoencoder-style pretraining pipeline?

A short clarification would already help a lot.

Thanks!

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