Image Processing Reference
In-Depth Information
2
4
3
5
2
4
3
5
2
4
3
5
19 35 35 19
3122617
6 480
24 49 62 37
7354517
10 35 25 0
g
1
¼
,
g
2
¼
,
g
3
¼
17 38 47 26
8364214
842340
12 24 20
8
4132314
421170
2
4
3
5
2
4
3
5
2
4
3
5
10 26 34 18
12 20 16
8
14 26 12 0
28 62 53 19
17 42 50 25
20 42 22 0
g
4
¼
,
g
5
¼
,
g
6
¼
33 66 41
8
9375527
17 45 28 0
15 30 22
7
4152110
11 29 18 0
2
4
3
5
2
4
3
5
2
4
3
5
9132016
0
4
18 14
319160
9212816
15 32 40 23
17 46 29 0
g
7
¼
,
g
8
¼
,
g
9
¼
0880
15 28 22
9
14 27 13 0
0000
0000
0000
Overlapping and adding blocks g
1
through g
9
yields
2
4
3
5
19
35
35
19
þ
3
12
26
17
þ
6
14
8
24
49
62
37
þ
7
35
45
17
þ
10
35
25
17
38
47
26
þ
8
36
42
14
þ
8
42
34
12
þ
10 24
þ
26 20
þ
34 8
þ
4
þ
18
þ
12 13
þ
20 23
þ
16 14
þ
4
þ
8
þ
14 21
þ
26 17
þ
12
g¼
28
62
53
19
þ
17
42
50
25
þ
20
42
22
33
66
41
8
þ
9
37
55
27
þ
17
45
28
15
þ
930
þ
13 22
þ
20 7
þ
4
þ
16
þ
0 5
þ
421
þ
18 10
þ
11
þ
14
þ
329
þ
19 18
þ
16
9
21
28
16
þ
15
32
40
23
þ
17
46
29
0
8
8
0
þ
15
28
22
9
þ
14
27
13
Hence,
2
4
3
5
19 35 35 22 12 26 23 14 8
24 49 62 44 35 45 27 35 25
17 38 47 34 36 42 22 42 34
22 50 54 42 33 39 40 47 29
28 62 53 36 42 50 45 42 22
33 66 41 17 37 55 44 45 28
24 43 42 27 19 39 38 48 34
92128313240404629
0 8 8152822232713
g(n, m)
¼
Example 2.11
In this example, we compare the processing speed of convolution in the spatial
domain to that of the same in the frequency domain.
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