Table 3. Person identification accuracies in the MPIIDPEye dataset using differentially private eye movement features with majority voting.
Person identification accuracies (k-NN|SVM|DT|RF) | |||||
---|---|---|---|---|---|
Method | ϵ = 0.48 | ϵ = 2.4 | ϵ = 4.8 | ϵ = 24 | ϵ = 48 |
FPA | 1 | 1 | 1 | 1 | 1 |
CFPA-32 | 0.15|0.08|0.44|0.37 | 0.13|0.08|0.46|0.39 | 0.11|0.08|0.48|0.41 | 0.40|0.11|0.64|0.70 | 0.72|0.16|0.87|0.92 |
CFPA-64 | 0.14|0.08|0.42|0.34 | 0.13|0.08|0.44|0.37 | 0.12|0.08|0.45|0.38 | 0.39|0.11|0.63|0.71 | 0.70|0.17|0.85|0.92 |
CFPA-128 | 0.16|0.05|0.39|0.36 | 0.15|0.05|0.41|0.36 | 0.17|0.05|0.43|0.39 | 0.45|0.07|0.55|0.63 | 0.70|0.16|0.74|0.88 |
DCFPA-32 | 0.06|0.10|0.39|0.37 | 0.06|0.10|0.39|0.36 | 0.08|0.10|0.39|0.36 | 0.10|0.10|0.39|0.37 | 0.10|0.10|0.40|0.38 |
DCFPA-64 | 0.10|0.10|0.33|0.35 | 0.10|0.10|0.32|0.34 | 0.10|0.10|0.32|0.33 | 0.13|0.10|0.31|0.34 | 0.13|0.10|0.32|0.33 |
DCFPA-128 | 0.09|0.05|0.24|0.28 | 0.09|0.05|0.25|0.27 | 0.10|0.05|0.23|0.27 | 0.10|0.06|0.24|0.26 | 0.10|0.05|0.22|0.25 |