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f:
←
.5(
∗E
R/L
) +.195
∗S
E
−
0
.
05
L
0
l:
←
.25
∗L
6
...
2
+
∗
0
.
141
S
V
f:
←
.5(
∗E
T /B
+
∗E
R/L
) +.195
∗S
E
−
0
.
05
L
1
l:
←
.25
∗L
7
...
3
+
∗
(0
.
105
S
V
+ 0
.
035
S
H
)
f:
←
.5(
∗E
T /B
+
∗E
R/L
) +.195
∗S
E
−
0
.
05
L
2
l:
←
.25
∗L
0
...
4
+
∗
(0
.
070
S
V
+ 0
.
070
S
H
)
f:
←
.5(
∗E
T /B
+
∗E
R/L
) +.195
∗S
E
−
0
.
05
L
3
l:
←
.25
∗L
1
...
5
+
∗
(0
.
035
S
V
+ 0
.
105
S
H
)
f:
←
.5(
∗E
T /B
) +.195
∗S
E
−
0
.
05
L
4
l:
←
.25
∗L
2
...
6
+
∗
0
.
141
S
H
f:
←
.5(
∗E
T /B
+
∗E
R/L
) +.195
∗S
E
−
0
.
05
L
5
l:
←
.25
∗L
3
...
7
+
∗
(0
.
035
S
V
+ 0
.
105
S
H
)
f:
←
.5(
∗E
T /B
+
∗E
R/L
) +.195
∗S
E
−
0
.
05
L
6
l:
←
.25
∗L
4
...
0
+
∗
(0
.
070
S
V
+ 0
.
070
S
H
)
f:
←
.5(
∗E
T /B
+
∗E
R/L
) +.195
∗S
E
−
0
.
05
L
7
l:
←
.25
∗L
5
...
1
+
∗
(0
.
105
S
V
+ 0
.
035
S
H
)
S
V
← .25L
5
+ .5L
6
+ .75L
7
+ L
0
+ .75L
1
+ .5L
2
+ .25L
3
S
H
← .25L
1
+ .5L
2
+ .75L
3
+ L
4
+ .75L
5
+ .5L
6
+ .25L
7
S
L
← L
0
+ L
1
+ L
2
+ L
3
+ L
4
+ L
5
+ L
6
+ L
7
Fig. 4.15.
ZIP code binarization - Layer 2 features. The image is represented in terms of ori-
ented lines. The lateral competition via two inhibitory features allows horizontal and vertical
lines to coexist at the same position. This is useful for the representation of line crossings.
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