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[SEG] Allow predefined label list and optional label list to indicate if multiple instances of a label are allowed.
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With T29206 we also better support instance representation / instance segmentation. In that context it might be an interesting feature if (besides name and color) one could also specifiy in the predefined/optional label list if a label class may have multiple instances.

The current default is yes.

What would be needed.

  1. The current file formates and IO must be extended to support this information
  2. the new/rename label dialoge must regard this information.
  3. helper function to query if muliple instances are allowed for a certain label would be helpfull
  4. The context menu actions of the MultiLabelManagerWidget must regard that information (e.g. double check if action "add instance" is allowed).

Event Timeline

kislinsk triaged this task as Normal priority.Feb 8 2023, 11:00 AM

We decided that it is a nice and maybe necessary feature so we want to encode it somehow.