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Table 2 Equal error rates (%) for biohash vectors of different lengths

From: Practical security and privacy attacks against biometric hashing using sparse recovery

  PCA 200 PCA 1024
Bit length Biohash Biohash (stolen key) Biohash Biohash (stolen key)
128 6.295 12.571 6.593 13.565
256 4.570 11.457 4.813 12.216
512 4.137 11.595 4.328 11.634
1024 2.875 11.118 2.934 11.553