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Table 9 Computation time required to estimate a feature vector from a given biohash (in seconds)

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

Method 1024→200 1024→1024
LP 12.681736 144.288818
BIHT 0.192342 0.294719
L 2 0.108523 1.681796
L 1 11.451703 26.453929
Method in [4] for t = 1 28.244039 185.517469
Method in [4] for t = 20 572.584385 4700.410120