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Add Average Precision to metrics #8089

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Fixes #8085.

Description

Average Precision is very similar to ROCAUC, so I was very much inspired by the ROCAUC implementation.
More precisely, I created:

  • AveragePrecisionMetric and compute_average_precision in monai.metrics,
  • a handler called AveragePrecision in monai.handlers,
  • three unittest modules: test_compute_average_precision.py, test_handler_average_precision.py and test_handler_average_precision_dist.py.

I also modified the docs to mention Average Precision.

Types of changes

  • Non-breaking change (fix or new feature that would not break existing functionality).
  • Breaking change (fix or new feature that would cause existing functionality to change).
  • New tests added to cover the changes.
  • Integration tests passed locally by running ./runtests.sh -f -u --net --coverage.
  • Quick tests passed locally by running ./runtests.sh --quick --unittests --disttests.
  • In-line docstrings updated.
  • Documentation updated, tested make html command in the docs/ folder.

thibaultdvx and others added 9 commits September 17, 2024 11:22
Signed-off-by: thibaultdvx <[email protected]>
Signed-off-by: thibaultdvx <[email protected]>
Signed-off-by: thibaultdvx <[email protected]>
Signed-off-by: thibaultdvx <[email protected]>
Signed-off-by: thibaultdvx <[email protected]>
Signed-off-by: thibaultdvx <[email protected]>
Signed-off-by: thibaultdvx <[email protected]>
Signed-off-by: thibaultdvx <[email protected]>
@thibaultdvx thibaultdvx marked this pull request as ready for review September 17, 2024 11:08
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/build

@thibaultdvx
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hi @KumoLiu, could you please have a look at this PR?

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@KumoLiu KumoLiu left a comment

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Thanks for the pr, overall looks good to me.

Comment on lines +83 to +84
`Average Precision`
--------------------------
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Suggested change
`Average Precision`
--------------------------
`Average Precision`
-------------------


class AveragePrecisionMetric(CumulativeIterationMetric):
"""
Computes Average Precision (AP). Referring to: `sklearn.metrics.average_precision_score
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For the lazy it would be nice to explain here what this metric is and its intended application area.

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@ericspod ericspod left a comment

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Looks good to me too, I had a minor comment and it would be nice to combine the last 2 test files, it would be better to have fewer test files if possible.

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Add Average Precision and R2 to the metrics
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