Dataset Type | Gist | Color Histogram | Texture | Color Patches | Gradient | Deep Learning | Objects | Combined |
One-per-user | 0.07 | 0.12 | 0.20 | 0.23 | 0.26 | 0.28 | 0.23 | 0.31 |
User-mix | 0.13 | 0.15 | 0.22 | 0.29 | 0.32 | 0.33 | 0.30 | 0.36 |
User-specific | 0.16 | 0.23 | 0.32 | 0.36 | 0.34 | 0.26 | 0.33 | 0.40 |