Research Article
CA-XTree: Age Estimation of Grouped Gradient Regression Tree with Local Channel Attention
Table 1
Dataset training set and test set.
| Datasets | Instances | Training | Testing | Age range |
| MORPH | 55000 | 44000 | 11000 | 16–77 | FGNET | 1002 | 800 | 200 | 0–69 | CACD | 166417 | 145275 | 10571 | 16–62 |
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