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Table 2 Overall results of the proposed methods for all possible combinations of the stages that are shown in Fig. 4 have been computed

From: A procedure to locate the eyelid position in noisy videokeratoscopic images

Rank

Filtering

Model

Fitting

Mean ± STD

1

GDV

Rice

LAD

3.54 ± 1.44

2

GDV

Rice

Bisquare

3.68 ± 1.49

3

GDV

Parabola

LAD

4.32 ± 2.07

4

GDV

Cubic

Bisquare

4.34 ± 1.51

5

GDV

Cubic

LAD

4.42 ± 1.72

6

GDV

Parabola

Bisquare

4.51 ± 2.64

7

GDV

Rational

LAD

4.64 ± 1.91

8

GDV

Fourier

LAD

4.69 ± 2.10

9

GDV

Fourth-order

LAD

4.75 ± 2.11

10

GDV

Fourier

Bisquare

4.80 ± 1.99

11

GDV

Dagum

LAD

4.84 ± 1.54

13

GDV

Skew-normal

Bisquare

4.86 ± 2.42

17

GDV

Weibull

LAD

5.11 ± 2.09

42

GDV

Log-logistic

LAD

5.71 ± 2.86

71

Wavelet

Fréchet

Bisquare

6.10 ± 3.36

78

Wavelet

Parabola

Hough

6.13 ± 4.42

184

No filtering

Gamma

Bisquare

7.17 ± 1.41

  1. The top ten and best results for each curve model are listed in decreasing accuracy order