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Table 2 Mean area, standard deviation (S. D.), and % coefficient of variation (% C.V.) of four pores, taken from fingerprints obtained from the right index finger of four individuals on sticky side of adhesive tape (using method (ii)), recorded on ten consecutive days, show % C. V. to be beyond the normal acceptable level (with 5% confidence level in analytical work), thereby demonstrating that pore area is not a reproducible feature for matching fingerprints

From: Reproducibility of fingerprint microfeatures

Pore

Mean area (μm2)

S. D.

% C. V.

Individual 1

Pore 1

11505.31

6446.67

56.03

Pore 2

10051.27

4162.94

41.42

Pore 3

12664.45

4887.05

38.59

Pore 4

9144.70

5016.89

54.86

Individual 2

Pore 1

12725.86

5813.81

45.69

Pore 2

8686.24

3673.15

42.29

Pore 3

6112.12

3937.49

64.42

Pore 4

9261.24

2274.28

24.56

Individual 3

Pore 1

10647.77

6969.79

65.46

Pore 2

7615.40

4021.08

52.80

Pore 3

6960.05

3695.33

53.09

Pore 4

8363.05

5064.20

60.55

Individual 4

Pore 1

8105.30

3300.42

40.72

Pore 2

14496.30

4675.76

32.25

Pore 3

11191.14

5881.19

52.55

Pore 4

7589.88

3472.85

45.76