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. Author manuscript; available in PMC: 2010 Jun 30.
Published in final edited form as: IEEE Trans Med Imaging. 2010 Mar;29(3):903–915. doi: 10.1109/TMI.2009.2039756

Fig. 6.

Fig. 6

An illustration of the ROI. Picture (a) shows the original image with ZLSSs in a slice. The yellow curves are the ZLSSs in this slice. Picture (b) is the enlarged region in the white frame in (a). When d = 3 is chosen as an example, the ROI in the white frame includes those voxels which are colored pink, i.e., the ROI includes (1) the space between the yellow lines and (2) the expanded space labeled −3, −2, −1, 1, 2, and 3.