Creating, editing and deleting annotations
On RedBrick AI you can perform the following types of annotations:
  1. 1.
    Segmentation - Instance, semantic and overlapping.
  2. 2.
    Classification - Task level classifications (equivalent to series/study level annotations). To perform task level classifications, you have to add task classification categories to your taxonomy.
  3. 3.
    Vector annotations - Landmarks, and more coming soon.

Creating annotations

When the annotation tool first loads, it will have the 'cross-hairs' tool selected. To create an annotation:
  1. 1.
    Select the type of annotation from the drop down on the Create Label button on the left side bar.
  2. 2.
    Click on Create Label to add an annotation. This will open the category selection panel, where you can choose the category and attributes for your annotation. To create multiple instances of the same category, simply create multiple labels with the same category selection.
  3. 3.
    Once the annotation is created, you will see a new entry to the annotation list on the left side bar. You will also see a list of annotation tools appear on the top bar e.g. brush, pen etc. The settings for your selected annotation tool will be in the context panel on the right.
Creating a segmentation annotation

Selecting and editing annotations

To modify, delete, hide, lock etc. existing annotations, you have to first select the annotation:
  1. 1.
    You can select existing annotations in two ways:
    1. 1.
      Select the annotation from the left side bar by clicking on the annotation item in the list.
    2. 2.
      Choose the Select tool from the top bar (or press ESC), and hover and click on any annotation on the main canvas.
  2. 2.
    After selecting the annotation, the relevant annotation tools will re-appear on the top bar. You can now directly interact with the main canvas to modify the segmentation.
  3. 3.
    To change a selected annotations category or attributes, you can click on the annotation item again (first click selects, second click opens edit panel) to re-select the annotation/attributes. You can also open the edit panel by clicking on the three dot menu on the annotation.
  4. 4.
    To de-select all annotations, use the ESC keyboard shortcut, or choose the Select tool on the top bar.
You can only edit currently selected annotations. When one annotation is selected, you will not be able to make modifications to any other annotation.
Tips
  1. 1.
    While an annotation is selected, use the E keyboard shortcut to open the edit panel
  2. 2.
    To bring a selected annotation into view, use the SHIFT + J keyboard shortcut
  3. 3.
    If an annotation has attributes associated with it, you can get a summary view by hovering over the attribute number indicator.
Modifying an existing annotation

Lock, hide, and delete

Lock/un-lock

While making annotations you may want to lock a specific annotation to make sure you don't accidentally edit / overwrite it while making other segmentations. You can lock/un-lock any annotation from the three dot drop down menu.
Alternatively, you can hover over an annotation/select an annotation and use the U keyboard shortcut.

Hide/show

You can temporarily hide or show annotations from the three dot drop down menu. You can also hover over any annotation and use the H keyboard shortcut.

Delete

To delete an annotation, you can select/hover over it and use the delete/backspace keyboard shortcut. Alternatively, you can delete an annotation from the three dot drop down menu.
Lock, hide, delete
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Outline
Creating annotations
Selecting and editing annotations
Lock, hide, and delete
Lock/un-lock
Hide/show
Delete