Research Article
A Facial Expression Recognition Method Using Improved Capsule Network Model
Table 1
Comparison with existing methods on the CK+ and multi-PIE datasets before and after illumination and posture preprocessing (%).
| Methods | Preprocessing | CK+ | Multi-PIE |
| Reference [23] algorithm | No | 55.33 | 44.53 | Illumination | 57.26 | 49.15 | Illumination and posture | 59.16 | 52.62 |
| Reference [15] algorithm | No | 54.41 | 45.43 | Illumination | 57.28 | 48.29 | Illumination and posture | 61.05 | 55.17 |
| Reference [19] algorithm | No | 59.67 | 56.24 | Illumination | 62.38 | 58.31 | Illumination and posture | 63.51 | 60.68 |
| Proposed | No | 63.47 | 59.63 | Illumination | 65.28 | 62.45 | Illumination and posture | 67.31 | 65.31 |
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