Biomedical Engineering Reference
In-Depth Information
Figure 9.1:
Two versions of a penguin Tux, the Linux mascot (above). Even
though they are different, corresponding points can be identified (below). (Color
slide.)
While image registration takes the test and reference images and yields a cor-
respondence (deformation) function, the image warping takes the test image
and a correspondence function and outputs a warped image
f
w
(
x
)
=
f
g
(
x
)
which is a deformed version of the test image. The warped test image is aligned
Figure 9.2: Corresponding magnetic resonance brain slices from EPI (left) and
anatomical (right) modalities. Landmarks (white crosses) have been manually
placed at corresponding locations.
