GE Revolution CT - Threshold an Image

Illustration 32: Filter screen
6. From the Filter screen, click [Filter Size] and select a filter size.
○
Small
○
Medium
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Large
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Custom
7.
Click [Apply Filter] to remove objects smaller than the filter size.
Illustration 33: Left = no filter; Right = filter applied
6.8 Threshold an image
Use this procedure to threshold the image and keep only voxels within a specified range of
value.
1. Open
Reformat .
2. From the Tools section, click the
Segment tab.
Revolution CT User Manual
Direction 5480385-1EN, Revision 1
490 6 Segment