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Annotations utils #18

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3 of 4 tasks

sfmig opened this issue Dec 10, 2024 · 1 comment

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sfmig commented Dec 10, 2024 •

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Read VIA/COCO json annotation files
- as xarray dataset? as pandas dataframe?
  - going for pandas in the end for ease of combining, groupby etc. but I have a notebook exploring xarray option in the PR branch.
- add validators (PR Validate VIA and COCO files for untracked data #20)
- add loaders (PR Read annotations in VIA or COCO format as dataframe #21)
- add tests
Save as VIA/COCO json annotation file
Utils
- Combine annotation files
- Filter out bboxes based on min/max area
- Check for duplicate bboxes and (optionally) correct
  - see movement validations for bboxes dataset
- Print and/or plot summary statistics for manual annotations
  - use pandas describe?
- Filter out bboxes if boundaries are outside image?
- Filter out bboxes if inside a certain region (use shapely)
- Convert between VIA and COCO json
  - via "standard" dataframe

Probably a good idea to deal with each outer bulletpoint as a separate PR

sfmig mentioned this issue

Remove small crabs from detector groundtruth SainsburyWellcomeCentre/crabs-exploration#259

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Contributor Author

sfmig commented Dec 17, 2024

These scripts shared in the VIA site may be useful to check.

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