Research Article
Robust Ear Recognition via Nonnegative Sparse Representation of Gabor Orientation Information
Table 2
Recognition performance comparisons between conventional Gabor feature and the proposed Gabor orientation using SRC AND NSRC.
| Occlusion ratio | 0% | 5% | 10% | 15% | 20% | 25% | 30% | 35% | 40% | 50% |
| Conventional Gabor + SRC | 99.49 | 94.33 | 64.56 | 35.19 | 18.71 | 10.13 | 6.33 | 4.80 | 3.8 | 3.8 | Conventional Gabor + NSRC | 99.75 | 95.19 | 83.92 | 75.95 | 74.68 | 58.48 | 47.59 | 37.72 | 29.37 | 17.7 | Gabor orientation + SRC | 99.75 | 99.24 | 94.68 | 78.99 | 54.68 | 28.35 | 15.19 | 9.37 | 6.33 | 4.05 | Gabor orientation + NSRC | 99.75 | 99.49 | 98.99 | 98.48 | 96.96 | 93.67 | 88.35 | 84.56 | 73.92 | 52.41 |
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