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Table 2 Estimated PI values with maximum profiling set

From: Side-channel attacks against the human brain: the PIN code case study (extended version)

User \(\hat{\mathrm {PI}}(U=u;O)\) with avg PCA \(\hat{\mathrm {PI}}(U=u;O)\) with raw PCA
1 0.7044 0.5257
2 0.7217 0.6378
3 0.2680 0.2138
4 0.3337 0.8044
5 \(\varnothing\) \(\varnothing\)
6 0.2620 0.4254
7 0.4003 0.5650
8 1.4532 1.1351