Directional Correlation Filter Bank for Robust Head Pose Estimation and Face Recognition

Table 4

Generalization ability of the proposed framework (UMIST for training, and PIE and HPI for testing).

Training database	Test database
UMIST	PIE	HPI
Gray	35.62%	36.36%
Gabor	58.62%	61.61%
HOG	98.91	99.20