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Then you can assign them to an image using the tags icon when hovering over the image in Image tab, or in list of images in some Module by right-clicking the image and selecting Update tags. In the module image list, you can also select multiple images using Shift or Ctrl and update their tags in bulk the same way.
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Assigned tags can then be used in Smart Sorting to assign classes - e.g. in Anomaly Detector, Classifier or Report. They can be used separately or in combination with prefix/regex. Image is selected if it satifies all rules - all selected tags and prefix/regex.
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