الفهرس 
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Abstract
Face processing is the collection of tasks that can be performed by an
observer on the observed face. These tasks are the recognition and
Identification of the familiar faces, as well as extracting additional
information from both familiar and unfamiliar faces, including sex,
appropriate age, race, and current emotional state of the person. ’While
humans are doing face processing easily and naturally, the machine
can not do most of these tasks accurately with the same degrees of
freedom. Of course, humans utilize various senses in performing face
processing but the main one is vision