pytorch / pytorch/vision

Automatic CenterCrop to the image smallest size

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#7,530 4 comments 2 reactions 0 assignees View on GitHub

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module: transforms new feature
Dominant language
Python
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Avg merge
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Merged PRs (30d)
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Description

🚀 The feature

The idea here is that centercrop allows for automatic size inference and center_crop to the smallest of HxW.

Motivation, pitch

That allows to keep the most information before resizing the image. We maximize the amount of pixels kept in the center_crop for a given aspect ratio.

Alternatives

No response

Additional context

No response

cc @vfdev-5

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by locating the center_crop implementation and its existing tests in torchvision. Review how image HxW and aspect ratio are currently handled, then define the expected smallest-size inference behavior. Done means center_crop can infer the crop size while preserving the maximum central image area before resizing, with tests covering the new behavior.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
computer-vision
Issue type
Feature
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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