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. Author manuscript; available in PMC: 2013 Jun 14.
Published in final edited form as: Med Image Anal. 2011 Apr 27;16(1):28–37. doi: 10.1016/j.media.2011.04.004

Figure 10.

Figure 10

Distortions in WC. At left, a magnification in the phase encoding direction is represented by arrows parallel to i (arrows are much longer than in real cases for representation purposes). After transforming the slice into WC, the arrow A has components along each one of the directions defining the WC system (l = left, p = posterior, s = superior). Therefore, a magnification along a single direction in IC becomes a magnification along all directions in WC. The same concept is applicable to shearing and translation.