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(a) The better image that has a smaller bounding box
(b) The worse image that has a larger bounding box
Fig. 5.
Laplacian filter example
this ratio as the first part of fitness evaluation and compute it by
W
b
H
b
WH
,
f
edge
=1
−
where
W
b
and
H
b
denote the width and height of the bounding box, and
W
and
H
are the width and height of the image, respectively.
Line Intersection
In the light of the proposed painting method, it is desired to have more interac-
tion between agents. The interaction level of agents is reflected on the number of
line intersections in the image. Accordingly, we define the second part of fitness
evaluation by
f
intersect
=
#intersections
WH
.
The fitness value of a painting is defined by
F
=
f
edge
+
f
intersect
.
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