Research Article
Customized Dictionary Learning for Subdatasets with Fine Granularity
Table 2
PSNR for superresolution on test images.
| Task | Bicubic | | DL3 | Cus3 | DL6 | Cus6 | DL9 | Cus9 |
| 1 | 32.5 | 34.4 | 33.1 | 35.0 | 34.1 | 35.4 | 35.6 | 35.7 | 2 | 33.8 | 36.2 | 36.1 | 36.9 | 35.0 | 36.8 | 37.0 | 37.2 | 3 | 32.9 | 35.8 | 32.4 | 36.6 | 31.8 | 37.0 | 36.7 | 37.3 | 4 | 32.0 | 34.0 | 34.0 | 34.7 | 32.1 | 34.9 | 33.8 | 35.1 | 5 | 36.2 | 38.1 | 37.6 | 38.7 | 36.7 | 38.9 | 38.7 | 38.9 |
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