Image Processing Reference

In-Depth Information

Fig. 6.15
Examples of

advanced morphology.
To p
:

Skeletonization.
Bottom
:

Distance image. White means

zero and the darker the shade

the further the distance

Fig. 6.16
Left
: Input image

f(x,y)
. Object pixels are

white (1) and background

pixels are gray (0).
Right
:

Structuring elements SE1 and

SE2

Exercise 4:
Find
g(x,y)
=

f(x,y)

SE
1.
f(x,y)
and

SE
1

are defined in

Fig.
6.16
.

Exercise 5:
Find
g(x,y)
=
f(x,y)
•

SE
1.
f(x,y)
and
SE
1 are defined in Fig.
6.16
.

Exercise 6:
Find
g(x,y)
=
f(x,y)
◦

SE
1.
f(x,y)
and
SE
1 are defined in Fig.
6.16
.

Exercise 7:
Find
g(x,y)

=

(f (x, y)

SE
2
)
AND
(
NOT
f(x,y)

NOT
SE
2
)
.

f(x,y)
and
SE
2 are defined in Fig.
6.16
.

Additional exercise:
What is skeletonization and how does it work?