Finetune guide for semantic segmentation #18640
Merged
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
|
The documentation is not available anymore as the PR was closed or merged. |
NielsRogge
reviewed
Aug 22, 2022
NielsRogge
reviewed
Aug 22, 2022
|
|
||
| ## Preprocess | ||
|
|
||
| Next, load a SegFormer feature extractor to process the image into an array of tensors. Some datasets, like this one, uses the zero-index as the background class. However, the background class isn't included in the 150 classes, so you'll need to set `reduce_labels=True` to subtract one from all the labels. The zero-index is replaced by `255` so it's ignored by SegFormer's loss function: |
There was a problem hiding this comment.
FYI, note that we're currently in the process of replacing feature extractors by image processors, as feature extractor is a confusing name.
There was a problem hiding this comment.
Thanks for the heads up, I'll update this again once the image processors are ready
NielsRogge
reviewed
Aug 22, 2022
NielsRogge
reviewed
Aug 22, 2022
NielsRogge
reviewed
Aug 22, 2022
NielsRogge
reviewed
Aug 22, 2022
NielsRogge
reviewed
Aug 22, 2022
NielsRogge
reviewed
Aug 22, 2022
NielsRogge
reviewed
Aug 22, 2022
NielsRogge
reviewed
Aug 22, 2022
stevhliu
changed the title
NielsRogge
reviewed
Sep 2, 2022
NielsRogge
reviewed
Sep 2, 2022
NielsRogge
approved these changes
Sep 2, 2022
oneraghavan
pushed a commit
to oneraghavan/transformers
that referenced
this pull request
Sep 26, 2022
* 📝 first draft * oops add to toctree * make style * 📝 add inference section * 🖍 make style * 📝 add images * 🖍 apply feedbacks * remove num_labels and pytorch block * apply feedbacks, add colab notebook Co-authored-by: Steven <stevhliu@gmail.com>
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
This PR creates a finetune guide for semantic segmentation in the docs. Unlike previous finetune guides, this one will include:
🚧 To do: