3D distance 3D distance Facial feature extraction
Facial Landmarks p0, p1, p4, p7, p8, p9, p10, p12 p0 - p12 p0 - p12
Feature 9 distances (dp0-p4, dp1-p7, dp4-p8, dp7-p8, dp0-p8, dp1-p8, dp8-p9, dp8-p10, dp8-p12) 78 features (dp0-p1 to dp11-p12) 78 features (dp0-p1 to dp11-p12)
Purpose Reconstruction error (RMSE) measurement Multi-layer perceptron (MLP) training Multi-layer perceptron (MLP) training