Table 5 The objective value (×103) decreases as the number of iteration increases, and it converges when the number of iteration reaches 700
From: Minimal residual ordinal loss hashing with an adaptive optimization mechanism
| Iteration number | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 | 1000 | 1100 |
|---|---|---|---|---|---|---|---|---|---|---|
| Θ | 851.7 | 524.9 | 382.4 | 249.5 | 203.8 | 193.7 | 193.2 | 193.5 | 193.3 | 193.4 |