From: Improved gradient local ternary patterns for facial expression recognition
Method a | 6-class | 7-class |
---|---|---|
LBP [18] | 90.1 | 83.3 |
LDP [18] | 93.7 | 88.4 |
LTP [18] | 93.6 | 88.9 |
GLTP [18] | 97.2 | 91.7 |
DBN [24] | - | 91.1 b |
BDBN [25] | 96.7 c | - |
Dynamic atlas [27] | - | 97.2 d 92.4 d, e |
Improved GLTP | 99.3 | 97.6 |