Research Article
Improved Deep Hashing with Scalable Interblock for Tourist Image Retrieval
Table 3
The value of MAP for different methods on the public datasets.
| Method | Cifar-10 | Flickr30 | 12 bits | 24 bits | 32 bits | 48 bits | 12 bits | 24 bits | 32 bits | 48 bits |
| ITQ | 0.264 | 0.282 | 0.288 | 0.295 | 0.577 | 0.580 | 0.581 | 0.580 | LSH | 0.183 | 0.164 | 0.161 | 0.162 | 0.557 | 0.564 | 0.562 | 0.569 | PCAH | 0.157 | 0.164 | 0.162 | 0.170 | 0.588 | 0.596 | 0.604 | 0.601 | SH | 0.183 | 0.164 | 0.161 | 0.161 | 0.561 | 0.562 | 0.563 | 0.562 | DSH | 0.303 | 0.337 | 0.346 | 0.356 | 0.678 | 0.697 | 0.689 | 0.685 | CNNH | 0.439 | 0.511 | 0.509 | 0.522 | 0.667 | 0.688 | 0.654 | 0.626 | DLBHC | 0.553 | 0.580 | 0.578 | 0.557 | 0.692 | 0.710 | 0.703 | 0.707 | DNNH | 0.571 | 0.588 | 0.589 | 0.595 | 0.739 | 0.752 | 0.753 | 0.755 | Ours | 0.613 | 0.648 | 0.654 | 0.663 | 0.828 | 0.837 | 0.835 | 0.840 |
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