Strict redaction - define minimum required meta

[cooperlab]

Define the minimum required metadata necessary to load .svs. This will allow users to appy a "strict" redaction profile without requiring the institution to inspect a bunch of tags. Start with .svs since the viewers and dataloaders are more mature.

[manthey]

This could be done by having a struct ruleset with a fallback rule for unknown tags/images which removes those tags/images. We'd have to add a fallback rule.

[cooperlab]

A good test here is can we read the images with large_image or openslide, and can they still be opened in QuPath.

[naglepuff]

I've been doing some reading of the tiff standard to try and figure out how to determine what the minimum tag set would be. A good starting point would be the baseline tiff plus any tiff extensions commonly used by whole slide images. I'm not sure what those would be, however.

I imagine that the "Tiled Images" tag set should definitely be included, but the others are unclear.

I believe this screenshot captures all of the tiff extensions defined by Tiff 6.0. Which ones should be included in the minimum tagset for this sort of redaction?

[manthey]

The required fields are plus 254, 266, 274, 317, 320, 322, 323, 324, 325, 330, 338, 339, 346, 347, 512-531, 559, 34675