Image Processing Reference
In-Depth Information
Uniform
1
0.8
Hanning
0.6
Hamming
0.4
Blackman
0.2
0
0
10
15
20
25
30
5
n
FIGURE 2.28
Windows in spatial domain.
0
Uniform
Hamming
-50
-100
-150
-200
-250
Blackman
-300
Hanning
-350
-400
0
0.5
1
1.5
2
2.5
3
3.5
ω
FIGURE 2.29
Windows in frequency domain.
S
OLUTION
The desired impulse response is given by
v
c
p
J
1
4
p
n
1
þn
2
n
1
þn
2
J
1
¼
v
c
2
1
8
h
d
(n
1
, n
2
)
p
n
1
þn
2
¼
p
n
1
þn
2
p
where J
1
(
) is Bessel function of the
first kind and
first order. The designed
filter
using a hamming window would be
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