Voxel Brush

Overview of the Voxel Brush labeling tool in Ango Hub

The voxel brush labeling tool is a 3D pixel-wise tool to assign voxels on medical imaging assets to certain classes.

The Voxel Brush tool is supported across the DICOM and Medical labeling editors.

Adding a Voxel Brush tool to your project

From your project's Settings tab, enter the Category Schema section. Click on Add Category, then on Voxel Brush. The tool will be added to your project:

Voxel Brush Settings

Once the tool has been added to your project, clicking on it wil reveal its settings.

Schema ID: This is a unique ID Ango Hub assigns to your tool. It's most important when attempting to import pre-annotations. Read more about medical pre-annotations here.

Title: A name of your choosing for this tool/class.

Required: If enabled, the annotator must have created at least one segmentation with this tool before being able to submit the task.

Add Classification: From this section, you may add nested classifications (attributes) to your class. Please refer to the docs page on the medical labeling editor for more information on how to annotate attributes.

Threshold Editable Area

The in-editor Editable Area setting is documented with the other Medical editor brush controls, including Brush Size, Brush Mode, and Brush Type. See the Medical Labeling Editor page.