Abstract:
Facial Expression is observable manifestation of personality, intention and cognitive
activity. Human face contains potential amount of useful information. The
facial expressions employ several cognitive processes. The facial expressions are
not simply spontaneous, but also have a communicative element. For example
if someone is in pain then re exive response of face can annotate that. It is need
of time to draw that information presented on human face. Communication can
also be established between human with non-verbal cues and facial expressions
can anticipate in this communication. Facial expressions are produced with ostensive
gestures raised by eyebrow ash, lips position. Close analysis of facial
expressions can illustrate clearly the role of behavior while communication. Facial
expressions may have arbitrary information associated with each movement
of facial part. Sometimes this can make other's to assume multiple emotion
with equal intensity on face at a same moment. This indicate the presence of
complex facial expression. Facial expressions are public information that could
be captured by observer. For that reason several security, clinical applications
can be derived.
