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Add validation at the begin of training #7107

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Nic-Ma opened this issue Oct 9, 2023 · 0 comments · Fixed by #7108
Closed

Add validation at the begin of training #7107

Nic-Ma opened this issue Oct 9, 2023 · 0 comments · Fixed by #7108

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@Nic-Ma
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Nic-Ma commented Oct 9, 2023

Is your feature request related to a problem? Please describe.
For some transfer-learning use cases, people may need to execute validation first before training.
We can enhance the ValidationHandler to support it:
https://github.com/Project-MONAI/MONAI/blob/dev/monai/handlers/validation_handler.py#L30

wyli pushed a commit that referenced this issue Oct 10, 2023
Fixes #7107 .

### Description

This PR added support to optionally execute validation at training start
first, this is useful for transfer learning to validate the initial
model.

### Types of changes
<!--- Put an `x` in all the boxes that apply, and remove the not
applicable items -->
- [x] 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.

Signed-off-by: Nic Ma <nma@nvidia.com>
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