| Comments regarding the Trans. PAMI Article, April 1999 |
| Heuristical method | 11(i) |
| Laws filters | 37.8% |
| Ring/wedge filters | 48.3% |
| Dyadic Gabor filt. bk. | 47.9% |
| Gabor filter bank (d) | 54.8% |
| DCT | 33.0% |
| Daubechies 4 (d) | 30.1% |
| f16b (d) | 28.5% |
| Co-occurrence | 49.1% |
| AR | 28.7% |
| Average | 39.8% |
| Optimized appraoches | 11(i) |
| Eigenfilter | 33.3% |
| Opt. repr. Gabor filter bank | 67.5% |
| Prediction error filter | 36.7% |
| Optimal Gabor filter, sigma=2 | N/A |
| Optimal Gabor filter, sigma=4 | N/A |
| Optimal Gabor filter, sigma=8 | N/A |
| Optimal Gabor filter, sigma=16 | N/A |
| 4-filter opt. Gabor filter bank | 51.4% |
| 6-filter opt. Gabor filter bank | 45.4% |
| 10-filter opt. Gabor filter bank | 37.3% |
| J_MS | 49.9% |
| J_U | 30.5% |
| J_F | N/A |
| BackProp. NN mask size 11 | 70.2% |
| BackProp. NN mask size 21 | 84.3% |
| Average | 50.7% |
| Full rate method | 11(i) |
| Gabor filter bk. (a) | 61.6% |
| Gabor filter bk. (b) | 60.2% |
| Gabor filter bk. (c) | 69.9% |
| Gabor filter bk. (d) | 54.8% |
| Daubechies 4 (a) | 45.5% |
| Daubechies 4 (b) | 42.4% |
| Daubechies 4 (c) | 49.4% |
| Daubechies 4 (d) | 30.1% |
| Daubechies 6 (a) | 45.4% |
| Daubechies 6 (b) | 42.2% |
| Daubechies 6 (c) | 50.9% |
| Daubechies 6 (d) | 29.9% |
| Daubechies 8 (a) | 43.4% |
| Daubechies 8 (b) | 45.0% |
| Daubechies 8 (c) | 53.9% |
| Daubechies 8 (d) | 30.9% |
| Daubechies 10 (a) | 44.7% |
| Daubechies 10 (b) | 46.2% |
| Daubechies 10 (c) | 53.4% |
| Daubechies 10 (d) | 31.6% |
| f8a (a) | 45.1% |
| f8a (b) | 39.3% |
| f8a (c) | 46.3% |
| f8a (d) | 29.7% |
| f16b (a) | 43.1% |
| f16b (b) | 39.0% |
| f16b (c) | 48.4% |
| f16b (d) | 28.5% |
| f32d (a) | 43.9% |
| f32d (b) | 37.9% |
| f32d (c) | 44.3% |
| f32d (d) | 28.1% |
| F_2_1_smpl (a) | 43.5% |
| F_2_1_smpl (b) | 39.1% |
| F_2_1_smpl (c) | 45.2% |
| F_2_1_smpl (d) | 27.8% |
| F_2_1_09 (a) | 43.6% |
| F_2_1_09 (b) | 40.2% |
| F_2_1_09 (c) | 53.4% |
| F_2_1_09 (d) | 30.8% |
| Average | 43.2% |
| Decimated method | 11(i) |
| Daubechies 4 (a) | 56.9% |
| Daubechies 4 (b) | 50.8% |
| Daubechies 4 (c) | 55.8% |
| Daubechies 4 (d) | 45.2% |
| Daubechies 6 (a) | 52.9% |
| Daubechies 6 (b) | 46.9% |
| Daubechies 6 (c) | 51.8% |
| Daubechies 6 (d) | 41.8% |
| Daubechies 8 (a) | 54.5% |
| Daubechies 8 (b) | 54.3% |
| Daubechies 8 (c) | 59.0% |
| Daubechies 8 (d) | 41.7% |
| Daubechies 10 (a) | 53.4% |
| Daubechies 10 (b) | 53.5% |
| Daubechies 10 (c) | 53.3% |
| Daubechies 10 (d) | 42.9% |
| f8a (a) | 52.4% |
| f8a (b) | 49.1% |
| f8a (c) | 54.2% |
| f8a (d) | 38.4% |
| f16b (a) | 51.3% |
| f16b (b) | 47.4% |
| f16b (c) | 51.7% |
| f16b (d) | 36.7% |
| f32d (a) | 50.3% |
| f32d (b) | 48.3% |
| f32d (c) | 50.1% |
| f32d (d) | 36.3% |
| F_2_1_smpl (a) | 51.8% |
| F_2_1_smpl (b) | 49.4% |
| F_2_1_smpl (c) | 52.5% |
| F_2_1_smpl (d) | 37.8% |
| F_2_1_09 (a) | 52.8% |
| F_2_1_09 (b) | 52.0% |
| F_2_1_09 (c) | 54.6% |
| F_2_1_09 (d) | 43.3% |
| Average | 49.3% |