Table 14 Results obtained from validation data.

From: Image-processing-based model for surface roughness evaluation in titanium based alloys using dual tree complex wavelet transform and radial basis function neural networks

Sl. no

Experimental \({\mathbf{R}}_{\mathbf{a}}\)

Predicted \({\mathbf{R}}_{\mathbf{a}}\)

Error %

1

0.3808

0.3863

1.44

2

0.3716

0.3823

2.87

3

0.5194

0.5038

3.00

4

0.4406

0.4553

3.33

5

0.4144

0.4070

1.78

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