Image Processing Reference
In-Depth Information
Figure 7.14 shows three examples of the results obtained using Code 7.2 . In each
example, we show the curve, the angular function, the cumulative normalised angular
200
200
200
150
150
150
100
100
100
50
50
50
0
0 0
0 0
100
200
100
200
0
100
200
(a) Curve
(i) Curve
(e) Curve
6
6
6
4
4
4
2
2
2
0
0
0
0
200
400
600
800
0
200
400
600
0
200
400
600
800
(j) Angular function
(b) Angular function
(f) Angular function
5
5
5
0
0
0
-5
-5
-5
0
2
4
6
0
2
4
6
0
2
4
6
(c) Normalised
(g) Normalised
(k) Normalised
1
1
1
0.5
0.5
0.5
0
0
0
-0.5
-0.5
-0.5
-1
-1
-1
0
5
10
15
20
0
5
10
15
20
0
5
10
15
20
(d) Fourier descriptors
(h) Fourier descriptors
(l) Fourier descriptors
Figure 7.14
Example of angular Fourier descriptors
Search WWH ::




Custom Search