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Master Thesis - Fachbereich Informatik

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4.5. MEASURING POINT DETECTION 81<br />

0.9<br />

0.8<br />

0.7<br />

0.6<br />

0.5<br />

0.4<br />

0.3<br />

0.2<br />

0.1<br />

0<br />

1<br />

1<br />

0.8<br />

0.6<br />

0.4<br />

0.2<br />

0<br />

0<br />

0<br />

2<br />

2<br />

x<br />

x<br />

4<br />

4<br />

6<br />

6<br />

8<br />

(a)<br />

8<br />

(c)<br />

10 80<br />

70<br />

60<br />

50<br />

40<br />

30<br />

20<br />

y<br />

10<br />

0<br />

10<br />

20<br />

30<br />

40<br />

50<br />

y<br />

60<br />

70<br />

0<br />

1<br />

0.8<br />

0.6<br />

0.4<br />

0.2<br />

0<br />

0<br />

2<br />

x<br />

4<br />

6<br />

8<br />

(b)<br />

10 80<br />

70<br />

60<br />

50<br />

40<br />

30<br />

20<br />

y<br />

10<br />

0<br />

10<br />

20<br />

30<br />

40<br />

50<br />

y<br />

60<br />

70<br />

80<br />

Figure 4.18: Different templates generated using Equation 4.14. (a) Straight edge: ψ =0,<br />

b = 0. (b) Curved edge: ψ =0.005, b = 0. (c) Curved edge: ψ =0.02, b =0. (d)Curvededge<br />

with emphasized ends: ψ =0.002, b =3. (σ =0.8 anda = 1 has been used for all templates<br />

in this figure). Note the differently scaled axis x and y.<br />

0.8<br />

0.6<br />

0.4<br />

0.2<br />

0<br />

1<br />

1.8<br />

1.6<br />

1.4<br />

1.2<br />

2<br />

0<br />

2<br />

4<br />

x<br />

6<br />

(d)<br />

8<br />

10<br />

0

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