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Please note: to be able to annotate the images, you need a previously created project and uploaded some images to it. |
What to expect from this page?
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To define a new label set:
Choose the “Label Sets“ page from the left-hand menu.
Click the “Create a new label set“ button
Name your label set and add a description, if necessary, so that you and/or your team members can better understand the purpose of this label (when you later revisit it).
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Create a label
In the next window, you can add a new label by clicking the “Create new label” button on the bottom left.
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To start annotating, at first, you need to open an image in your project's image viewer:
Choose the “Image Library” page from the left-hand menu.
Select one of your uploaded images. This leads you to a window with the “Image Viewer”.
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On the right-hand side, you will find a toolbar with several tools for drawing annotations. On top of those icons is the annotation/ROI selector. To draw annotations, make sure the slider is on the left side 
(which is the default).
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If the first attempt at annotating an object is not perfect, you can modify the shapes within their outlines:
Click the “Edit“
tool in the upper part of the right-hand menu.Select
a given annotation path - its editable anchor points appear as white squares. Click and drag the anchor pointsto adjust the shape and fit it to the annotated object.
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Delete an existing annotation
Option 1:
Select
the annotation you wish to be removed.Click the “Trash-bin”
tool in the upper part of the right-hand menu. You will be asked to confirm this action.Option 2:
Click the “Trash-bin”
tool in the upper part of the right-hand menu.Click an annotation you wish to be removed. You will be asked to confirm this action.
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| Note |
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Important: This step cannot be undone! |
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To assign a label to an existing annotation:
Choose the “Selection”
tool in the upper part of the right-hand menu. Select an existing annotation by clicking it. Its outlines will appear in bold when selected. Furthermore, the labels in the left-hand menu appear as unchecked.
Click the checkbox next to the selected label to assign this label to a particular annotation. If done correctly, the checkbox will now be active and the annotation will be displayed in the label color.
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Now that you have learned how to draw perfect annotations in IKOSA, it is time to embark on exciting image analysis tasks!
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