Table 6 Performance comparison among different quantization schemes
From: Robust image hashing with compressed sensing and ordinal measures
Quantization scheme | AUC | Hash length (bit) | Total run time (s) |
|---|---|---|---|
Median quantization | 0.99973 | 64 | 392.027 |
Mean quantization | 0.99962 | 64 | 391.069 |
Ordinal measures | 0.99993 | 384 | 389.702 |