The Effect of Training Data Selection on Face Recognition in Surveillance Application

General information

Authors:
Jamal Ahmad DARGHAM, Ali CHEKIMA, Ervin Gubin MOUNG, Sigeru OMATU

DOI:
http://dx.doi.org/10.14201/ADCAIJ2014345867

Volume:
Regular Issue 3 (4), 2014

Keywords:

Principal Component Analysis; training data selection; face recognition; surveillance; distance from the camera

Face recognition is an important biometric method because of its potential applications in many fields, such as access control and surveillance. In surveillance applications, the distance between the subject and the camera is changing. Thus, in this paper, the effect of the distance between the subject and the camera, distance class, the effect of the number of images per class, and also the effect of session used to acquire the images have been investigated. Three sessions are used to acquire the images in the database. The images in each session were equally divided into three distance classes: CLOSE, MEDIUM, and FAR, according to the distance of the subject from the camera. It was found that using images from the MEDIUM class for training gives better performance than using either the FAR or the CLOSE class. In addition, it was also found that using one image from each class for training gives the same recognition performance as using three images from the MEDIUM class for training. It was also found that as the number of images per class increases, the recognition performance also increases. Lastly, it was found that by using one image per class from all the available database sessions gives the best recognition performance.

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