Table 1 The error means under the measurements of the standard lengths, 25 mm, 30 mm, 35 mm, 40 mm and the right angle.

From: Profile measurement adopting binocular active vision with normalization object of vector orthogonality

Measurement distance (mm)

Method

Error mean under different standard length and right angle

Length (mm)

Angle (°)

Length (mm)

Angle (°)

Length (mm)

Angle (°)

Length (mm)

Angle (°)

25

90

30

90

35

90

40

90

950

A

0.25

0.43

0.38

0.57

0.50

0.89

0.59

1.01

B

0.20

0.39

0.36

0.56

0.48

0.86

0.56

0.99

C

0.17

0.30

0.26

0.43

0.42

0.76

0.53

0.82

D

0.13

0.18

0.22

0.36

0.37

0.68

0.48

0.75

E

0.13

0.14

0.20

0.32

0.35

0.62

0.46

0.72

1000

A

0.30

0.59

0.46

0.69

0.64

0.92

0.74

1.06

B

0.31

0.54

0.47

0.66

0.64

0.92

0.73

1.05

C

0.24

0.46

0.43

0.60

0.58

0.85

0.70

0.99

D

0.17

0.39

0.34

0.54

0.53

0.78

0.64

0.96

E

0.17

0.36

0.33

0.48

0.51

0.77

0.62

0.94

1050

A

0.46

0.65

0.59

0.90

0.78

1.20

1.00

1.38

B

0.47

0.62

0.60

0.89

0.78

1.13

0.97

1.35

C

0.40

0.53

0.51

0.71

0.70

1.06

0.92

1.27

D

0.34

0.48

0.47

0.65

0.67

0.97

0.83

1.22

E

0.31

0.45

0.45

0.60

0.66

0.96

0.83

1.22

1100

A

0.65

0.77

0.77

0.98

0.92

1.21

1.08

1.44

B

0.61

0.71

0.75

0.98

0.89

1.17

1.07

1.45

C

0.56

0.63

0.72

0.79

0.85

1.07

1.01

1.35

D

0.53

0.58

0.67

0.73

0.79

1.01

0.98

1.24

E

0.51

0.55

0.64

0.69

0.77

1.00

0.96

1.22

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