Table 3 The EER performances of LS + APQ and 1D FQ, at various feature dimensionality and various numbers of quantization bits , for (a) FVC2000 and (b) FRGC.

100

150

200

250

300

4.4

2.8

2.0

1.9

1.8

1.9

4.6

3.0

2.0

2.1

1.7

1.6

6.4

3.7

2.8

2.6

2.5

2.7

8.2

5.9

4.6

3.4

3.2

3.3

10.0

6.6

5.9

4.4

4.0

3.7

11.4

7.1

6.6

5.4

4.7

4.7

6.7

4.0

2.9

2.6

2.7

2.3

7.5

5.3

4.2

3.6

3.6

3.6

9.2

6.4

5.5

5.0

5.2

4.9