Review Article
Facial Expression Recognition from a Single Face Image Based on Deep Learning and Broad Learning
Figure 1
Humans have six basic expressions plus neutral: (a) happy, (b) sadness, (c) anger, (d) fear, (e) disgust, and (f) surprise [12].
(a) |
(b) |
(c) |
(d) |
(e) |
(f) |