Research on face feature extraction based on K-mean algorithm

EURASIP Journal on Image and Video Processing

Table 1 Mean and variance of face features under different conditions

	Normal		Light		Expressions		Scars
	Mean	Variance	Mean	Variance	Mean	Variance	Mean	Variance
Eye width	0.41	0.02	0.40	0.03	0.37	0.09	0.42	0.03
Eye to tip of the nose	0.52	0.04	0.48	0.04	0.55	0.07	0.51	0.05
Eye to upper lip	0.88	0.04	0.89	0.04	0.68	0.08	1.28	0.24
Eye to chin tip	1.59	0.09	1.6	0.08	1.78	0.29	1.39	0.19
Nasal width	0.57	0.05	0.55	0.05	0.58	0.05	0.57	0.05
Nasal width	0.7	0.06	0.7	0.05	0.7	0.06	0.7	0.06
Mouth high	0.27	0.02	0.27	0.02	0.47	0.22	0.27	0.02
Eye to eyebrow	0.35	0.05	0.33	0.05	0.35	0.15	0.35	0.05