Steps:
1.
Load a resampled image. In image processsing applications, it is advisable to have
almost the same resolution of the image in each dimension. (Hint: Use the
Resampling program.)
2.
Pick any seed point in the region to be segmented. It is done by clicking with
the left mouse button at the desired seed point on the image.
3.
Choose "Segmentation" from the "Processing" menu.
4.
You may adjust the segmentation parameters from the "Settings"
menu.
5.
You may adjust the "Shift" and "Scale" parameters from the
"Settings" manu.
6.
You may save the segmented image from the "File" menu.