1.
Facial Action Coding
System
by
Asil Adnan
Freeda Johnsi
Jwngshar Brahma
Niraimathi
Ram Kumar
Umadevi

2.
FACS
• FACS is a research tool useful for
measuring any facial expression a human
being can make. It is an anatomically based
system for comprehensively describing all
observable facial movement.
• Each observable component of facial
movement is called an Action Unit or AU.
• All facial expressions can be broken down
into their constituent AU’s.

3.
Action Unit concentrates on
• Eyebrow
• Lips
• Cheeks
• Forehead

4.
EYEBROW
• Major senders of signal
• Highly visible communicator

5.
Lowered
• Lowered eyebrows are a sign of a dominant
person
• Indicate annoyance
• Saying I am so displeased
Raised
• A person is surprised, their eyebrows are often
raised
• To expose eyes can also be a
signal attraction

6.
Middle-raised
• This can indicate relief
('Whew!').
• It can also indicate anxiety
('Oh no!').
Middle-lowered
• This often shows that the person is angry
or frustrated.
• It can also indicate intense concentration.

7.
Middle together
• It can indicate confusion or an
attempt to perceive better
('What's that?').
Up and down
• When we see people we know,
we often give a quick single
up-down 'eyebrow flash' in recognition and
greeting.
• This is a common signal across all primates,
including monkeys and gorillas.

8.
Eyes
Looking up
• They are often thinking.
• Looking upwards and to the left can indicate recalling a
memory.
• Looking up may also be a signal of boredom.
Looking down
• Looking down can thus be a signal
of submission. It can also indicate that the person is feeling
guilty.
Looking sideways
• Looking towards something that has
taken their interest.
• It can also be done to show irritation.

9.
Lips
• To distinguish genuine smiles from fake
smiles, observe the wrinkles in the corner
beside the persons eyes.
• Also be aware that the eyebrows will slightly
dip down as well.

10.
Tight Lipped
• By people who have secrets or
withholding their true opinions and
attitude towards some things.
• The tight lipped smile is also used as a
polite smile by someone who doesn’t
like another person company and
doesn’t know how to get rid of them.

11.
Smirk
• This is funny one.
• Smirking is when someone showing two
different emotions on their face.
• If you put a piece of paper right through the
middle covering a right or left side, you’ll
see two different types of emotions on the
same face that are expressed in the picture.

12.
Shy smile
• This smile was popularly used by Princesses
Diana.
• This will make the smile look more innocent,
juvenile, playful and secretive.
Compulsive smile
• Suspiciously happy, because they either know
something you don’t or they are being fake
with everyone to gain something.

13.
Teeth Display
• In the hopes of appearing as though they
are laughing and playful all the time.
• This smile usually woke as it maker the
smiling person appear happiness,
friendlier and therefore more likeable
and easier to approach.

14.
Head Downwards Shrug:
• This facial gesture is a
clear display of a judgmental,
aggressive or negative attitude
in the person.
Sideways Head
• A sign of submissiveness.

15.
Head Upwards
• This head position in taken by people
who fearlessness, arrogance or
superiority.
• A way of showing they don’t feel
threatened by the person they are
talking to.