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Table 2 Comparison of the reformed metrics in similarity face retrieval

From: Attribute-enhanced metric learning for face retrieval

 

Original metrics

Reformed metrics

Methods

Chi2

L2

L1

SCD

Chi2

L2

L1

SCD

Precision

0.375

0.250

0.313

0.125

0.438

0.250

0.375

0.125

Recall

0.300

0.182

0.238

0.095

0.350

0.200

0.300

0.100

F-measure

0.333

0.211

0.270

0.108

0.389

0.222

0.333

0.111