Table 6 The mean values and standard deviation variances of genuine, imposter, pseudo-imposter and pseudo-genuine of proposed scheme based on Euclidean LSH and Cosine LSH
From: Cancelable biometric schemes for Euclidean metric and Cosine metric
| Â | Genuine | Imposter | Pseudo-imposter | Pseudo-genuine | ||||
|---|---|---|---|---|---|---|---|---|
Mean | var(\(\times 10^{-3}\)) | mean | var(\(\times 10^{-5}\)) | Mean | var(\(\times 10^{-5}\)) | Mean | var(\(\times 10^{-5}\)) | |
AR Face | ||||||||
 Euclidean LSH | 0.655 | 3.401 | 0.333 | 4.463 | 0.331 | 3.619 | 0.333 | 4.486 |
 Cosine LSH | 0.919 | 0.452 | 0.526 | 5.024 | 0.533 | 3.597 | 0.528 | 5.103 |
ORL | ||||||||
 Euclidean LSH | 0.765 | 4.080 | 0.334 | 4.696 | 0.331 | 0.386 | 0.333 | 4.407 |
 Cosine LSH | 0.949 | 0.254 | 0.526 | 5.327 | 0.529 | 5.420 | 0.529 | 5.332 |
CASIA | ||||||||
 Euclidean LSH | 0.700 | 2.357 | 0.334 | 4.436 | 0.333 | 3.507 | 0.333 | 4.315 |
 Cosine LSH | 0.935 | 0.195 | 0.526 | 5.003 | 0.527 | 2.895 | 0.528 | 5.106 |
LFW | ||||||||
 Euclidean LSH | 0.696 | 2.052 | 0.334 | 4.432 | 0.334 | 3.497 | 0.333 | 4.463 |
 Cosine LSH | 0.930 | 0.318 | 0.526 | 4.946 | 0.536 | 2.962 | 0.528 | 5.030 |