QUEST Hierarchy for Hyperspectral Face Recognition

Table 1

Algorithms Examined.

Algorithm name	Underlying method	Recognition type	Score relative to gallery
Face	Eigenface	Spatial recognition	Yes
Hair	Eigenface	Spatial recognition	Yes
Skin	Eigenface	Spatial recognition	Yes
Spectral hair	Spectral angle mapping using an average hair signature	Spectral Recognition	Yes
Spectral face	Spectral angle mapping using k-means on an average face signature	Spectral recognition	Yes
Spectral face Matching	Spectral angle mapping using an average face signature	Spectral recognition	Yes
Soft	Mahalnobis distance for face area, eccentricity, and major and minor axes	Spatial recognition	Yes
Sift	SIFT using an averaged true color face image	Interest point recognition	No
HF Sift	SIFT using a hair and face composite image	Interest point and spatial recognition	No
Face using HF	Eigenface using shape of hair and skin segments	Spatial and spectral recognition	Yes
Face using HF pix	Eigenface using an image comprised of hair and skin segments only	Spatial and spectral recognition	Yes