Image Processing Reference
In-Depth Information
(
a
)
--
/
-,
+
(
-
3
1
+++
-.
-+
0
,
.
+
.
-+
-4--
-,
4-4--
2
,
---
-
(
b
)
Fig. 5.1.
Labeling of 3D connected components : (
a
) Labeling of connected com-
ponents -basic idea ; (
b
) illustration of Algorithm 5.1.
predicted for a multiconnected component, because it depends on the shapes
of each component. The topology of each connected component (the number
of holes and cavities, etc.) is preserved through the shrinking procedure be-
cause only a deletable 1-voxel is changed into a 0-voxel. Thus, if an input
image includes only simply connected component, shrinking can be used for
counting the number of figures (connected components). Shrinking is more
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