Design and Analysis of an Expert System for the Detection and Recognition of Criminal Faces

Table 2

Results of face detection using HOG [26].

Conditions of image	Amount of test data	No. of faces recognized	Recognition ability (%)
1st scale	15	15	100
2nd occlusion	15	4	26.67
3rd makeup	15	11	73.33
4th pose	15	13	86.67
5th expression	15	14	93.33
6th illumination	15	14	93.33
Average			79