RedBrick AI’s Preview Tool allows users to see how their images, volumes, and annotations are displayed within RedBrick AI’s Annotation Tool without having to create a Project or integrate a third-party Storage Method. As of v1.2.3., users can preview images and/or annotations from either their local machine or any Storage Method they have integrated into their RedBrick Organization.

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Previewing a Local File

  1. Open the Preview Tool, located in the lefthand sidebar of the Home Page;
  2. Select a file source: Load from file system;
  3. Within Preview Tool, select the image(s) you would like to display or simply drag and drop them into the corresponding left hand window;
  4. (Optional) select the annotation file you would like to display or simply drag and drop it into the corresponding right hand window;
  5. Click on View Data;
  6. Use the Manage Files button (top right hand corner) and Replace buttons (in the dialog menu) to swap out new files as needed;
Uploading a spine MRI scan and annotations to Preview Tool

Uploading a spine MRI scan and annotations to Preview Tool

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Previewing a File on your Storage Method

Once you have opened the Preview Tool and selected Load from Storage Method:
  1. Select a file source: Load from Storage Method;
  2. In the Select your external storage dropdown, choose a Storage Method;
  3. In the List of items field, provide the partial or full paths for the images you wish to preview, separated by a comma or newline;
  4. Click on View Data;
  5. Use the Manage Files button (top right hand corner) and Replace buttons (in the dialog menu) to swap out new files as needed;

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Other Functionality

Please note that images and volumes can be manipulated in Preview Tool just as they would be in the standard Annotation Tool. The following functions represent a non-exhaustive list of features available in Preview Tool:
  • Windowing Settings
  • Thresholding Settings
  • MPR Layout
  • Command Bar (and commands such as “toggle Linear Pixel Interpolation”, “toggle permanent crosshairs”, etc.)
  • Oblique Planes
  • Horizontal and Vertical Flipping
  • Viewport Maximization and Minimization;
  • …and more!

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Notes on Annotation Files

If you are uploading a segmentation file that contains non-segmentation annotations (e.g. length measurements, bounding boxes, etc.), the non-segmentation annotations will not display in Preview Tool.
If you are uploading a segmentation file, Preview Tool will automatically map the annotations and display them as unique Instances in the left hand toolbar.