Content uploaded by Shun'ichi Kaneko
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All content in this area was uploaded by Shun'ichi Kaneko on Apr 16, 2015
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0
1
2
34
5
6
7
8
9
10 11 12 13
14
15
0
2
/
π
π
2/3π
0
1
2
34
5
6
7
8
9
10 11 12 13
14
15
0
2
/
π
π
2/3π
MVA2005 IAPR Conference on Machine VIsion Applications, May 16-18, 2005 Tsukuba Science City, Japan
8-34
364
rotation
ca=2
cb=8
φ
cb=9
ca=3
s=6 s=6
rotation
ca=2
cb=8
φ
cb=9
ca=3
s=6 s=6
ψq
c
πψ +q
c
φ
q
ψq
c
πψ +q
c
φ
q
rotation
(+22.5[deg])
Orientation Code
Orientation Code Difference
14
10
8
15
4
14 11 15
0
15
5
9
10 414
12
14
10
8 15
7 12 10 7
15 155 9 011
φ
rotation
(+22.5[deg])
Orientation Code
Orientation Code Difference
14
10
8
15
4
14 11 15
0
15
5
9
10 414
12
14
10
8 15
7 12 10 7
15 155 9 011
φ
365
template
subimage
template
subimage
0
5
10
15
20
25
30
35
40
45
50
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Orientation Code Difference
Template Histogram Subimage Histogram
Intersection
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Orientation Codes
Template Histogram Subimage Histogram Intersection
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Orientation Codes
Template Histogram Subimage Histogram Intersection
366
0
100
200
300
400
500
600
700
800
0.06 0.09 0.12 0.15 0.18 0.21 0.24 0.26 0.29 0.32 0.35 0.38 0.41
Dissimilarity
0
100
200
300
400
500
600
700
800
0.13 0.16 0.18 0.20 0.22 0.25 0.27 0.29 0.32 0.34 0.36 0.38 0.41
Dissimilarity
0
100
200
300
400
500
600
700
800
0.14 0.16 0.18 0.20 0.22 0.25 0.27 0.29 0.31 0.33 0.35 0.37 0.39
Dissimilarity
0
100
200
300
400
500
600
700
800
0.14 0.17 0.19 0.21 0.23 0.25 0.27 0.30 0.32 0.34 0.36 0.38 0.40
Dissimilarity
0
5
10
15
20
25
30
16 20 24 28 32 36 40
Number of Codes (N)
Computation time [sec]
With OCDH Without OCDH
0.3
0.32
0.34
0.36
0.38
0.4
0.42
0.44
0.25
0.27
0.29
0.31
0.33
0.35
0.37
0.39
0.41
0.0 45.0 90.0 135.0 180.0 225.0 270.0 315.0
rotation angle[deg]
dissimilarity
φ
ˆ
367