In this step you will cleanup the slices to remove the pixels on the border of the leg that have been falsely marked as "Muscle".
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Tagged with partial pixels |
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Without the partial pixels |
/segment_goal_4a.png)
/segment_goal_4b.png)
What the script did for you:
The "Mode ALL" is enabled, showing all the slices.
The "Edit" mode interface is open.
The "TAG Lock" tool is open.
The TAG 0 (outside) is locked.
The TAG 2 (IMAT) is locked.
The TAG 4 (Bone) is locked.
The "Color Scheme" tool is open.
What to do:
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All you need to do:
•Press the "open 2" button. |
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/edit_open_2.png)
The Interface:
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Pixels just outside the leg cover a volume that is part fat and part empty. The resulting value is between these two and is wrongly segmented as muscle. We will merge them with the Fat tag.
The "Open" button perform a mathematical morphology operator called "Open". The "2" refer to the fact that the operation affect surface up to 2 pixel wide. By protecting the "None", "IMAT" and "Bone" TAGs, we make sure that only the pixels on the border of the SAT tissue are affected.
While you are in the "Edit" mode, you can take the ocasion to correct any errors you see in the segmentation. You may need to adjust the "TAG Lock" first...
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/cleanup_partial.png)
Technical Note:
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