From: Two-way partitioning of a recursive Gaussian filter in CUDA
Image size | Filter window | One-way vs. | FIR vs. | FIR vs. |
---|---|---|---|---|
 | size | two-way | one-way | two-way |
SD | 3 | 29.4 | 26.2 | 29.7 |
 | 30 | 31.1 | 32.8 | 31.4 |
 | 90 | 29.5 | 33.4 | 29.4 |
HD | 3 | 33.0 | 30.9 | 33.6 |
 | 30 | 30.6 | 39.7 | 30.8 |
 | 90 | 24.7 | 33.0 | 26.3 |
Full HD | 3 | 30.5 | 26.6 | 29.2 |
 | 30 | 32.9 | 36.7 | 33.2 |
 | 90 | 30.1 | 34.8 | 31.4 |