Biomedical Engineering Reference
In-Depth Information
Figure 1.34:
Horizontal correlation using (a) versus (b) from Fig. 1.33 and the
vertical global correlation using (c) versus (d) from the same figure.
shows gray-level average projections in the vertical direction ((a) and (c)) and
the horizontal direction ((b) and (d)) of the selected ROIs from Figs. 1.32(a)
and (b). The linear correlation coefficients
m
and
b
(Fig. 1.37) for the gray-level
average projection in the horizontal direction (
m
=
0
.
87
,
b
=
4
.
91) and verti-
cal direction (
m
=
0
.
85
,
b
=
5
.
79) show a significant gray-level correspondence
between the real and simulated ROIs image.
Figure 1.35:
Real (a) and simulated (b) IVUS image ROIs.
