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Table 1 Performance comparison results of different image auto-focusing algorithms on the optimal conditions for different workpieces

From: An image auto-focusing algorithm for industrial image measurement

 

Brake pad

Bearing

AF1

AF2

AF3

AF4

AF1

AF2

AF3

AF4

RMSE(mm)

0.0025

0.0035

0.0034

0.0011

0.0032

0.0031

0.0028

0.0013

SD(mm)

0.0026

0.0037

0.0036

0.0018

0.0029

0.0035

0.0036

0.0017

T(mm)

0.0080

0.0110

0.0110

0.0030

0.0100

0.0090

0.0090

0.0030

 

Big standard cuboid

Small standard cuboid

RMSE(mm)

0.0037

0.0032

0.0042

0.0010

0.0029

0.0028

0.0031

0.0013

SD(mm)

0.0035

0.0031

0.0040

0.0009

0.0027

0.0027

0.0029

0.0012

T(mm)

0.0100

0.0090

0.0110

0.0030

0.0090

0.0090

0.0100

0.0040