Table 3 Quantisation results, given in terms of Δ E S−CIELAB
| Â | Lenna | Peppers | Mandrill | Sailboat | Pool | Airplane | average |
|---|---|---|---|---|---|---|---|
Popularity algorithm [2] | 11.92 | 21.81 | 20.54 | 41.03 | 9.31 | 15.59 | 20.03 |
Median cut [2] | 10.34 | 8.89 | 10.66 | 10.10 | 7.73 | 7.05 | 9.13 |
Octree [3] | 7.20 | 7.92 | 9.36 | 6.66 | 4.85 | 3.57 | 6.59 |
Neuquant [4] | 7.13 | 7.84 | 9.79 | 5.50 | 5.65 | 4.21 | 6.68 |
SWASA/MSE [8] | 6.78 | 7.77 | 9.28 | 6.48 | 5.69 | 3.87 | 6.65 |
SWASA/S-CIELAB [34] | 4.57 | 6.33 | 6.27 | 3.50 | 3.06 | 2.47 | 4.37 |