Research Article
Improved Deep Hashing with Scalable Interblock for Tourist Image Retrieval
Table 2
The value of MAP for different methods on the China-60 dataset.
| Method | China-60 | 32 bits | 64 bits | 128 bits | 256 bits |
| CBE-rand | 0.329 | 0.473 | 0.618 | 0.681 | CBE-opt | 0.338 | 0.496 | 0.628 | 0.694 | ITQ | 0.681 | 0.794 | 0.804 | 0.813 | LSH | 0.314 | 0.483 | 0.597 | 0.691 | PCAH | 0.515 | 0.614 | 0.415 | 0.278 | SH | 0.102 | 0.234 | 0.302 | 0.293 | PCA-RR | 0.517 | 0.652 | 0.694 | 0.728 | DSH | 0.238 | 0.283 | 0.397 | 0.465 | DLBHC | 0.814 | 0.841 | 0.856 | 0.849 | DNNH | 0.839 | 0.864 | 0.860 | 0.862 | Ours | 0.895 | 0.907 | 0.912 | 0.903 |
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