Table 4 GMAS-CNN validation set parameter estimation.

From: A neural network-based automatic semi-variogram modeling approach for geomagnetic map construction in multi-source indoor and outdoor navigation

Test data

 

Azimuth (Degree)

Range (km)

Anisotropy ratio

Nugget effect

Data1

Label

10

35

3.8

0

Estimate

9.926

35.282

3.788

0.00268

Data2

Label

60

45

4.8

0.4

Estimate

60.745

45.6375

4.7891

0.396

Data3

Label

90

15

2.6

0.2

Estimate

90.4719

15.036

2.60494

0.20437

Data4

Label

170

15

2.0

0.3

Estimate

168.483

15.0284

2.02

0.2998

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