The document summarizes key aspects of facial expressions. It discusses the basic structure of facial expressions involving the eyes and full face. It then examines specific facial expressions for happiness, sadness, anger and fear by describing the characteristics of the mouth and eyes for each. The document also covers facial expressions in animation, individual differences in expressions, and tips for facial expressions when giving presentations, such as smiling with the eyes and using expressions to engage an audience.

1. Facial Expression
Presented by:
Siby varghese
Chhaya shukla

2. Outline of the presentation
Introduction
 The complexity of facial expression
 Variation within facial expression
 Facial expressions for animation
 Problem Space for Facial Expression
 Tips for presentation
 Conclusions


3. Introduction of Facial
Expression
What is facial expression?
 Basic Structure of Facial Expression:

◦
◦

Eyes
Full face
Universal

4. How would you react to this
expression?

5. Variation within facial
expression

6. Recognizing Happiness
Mouth:
 Joy with a smile.
 Mouth can be open or closed.
 Cheeks are raised.
Eyes:
 Eyelids are tightened
 Wrinkles appear -crow's feet.
 Eyebrows are drawn down.

7. Recognizing Sadness
Mouth:
 Corner of lips pulled down
 Raised cheeks
 Possibly dropped jaw
Eyes :
 Upper eyelids drop
 Inner corners of eyebrows raised and
brought together

8. Recognizing Anger
Mouth :
 Jaw tightly clenched
 If teeth exposed, mouth has rectangular
shape
 Thinning of lips
 Lower jaw can be forward
Eyes :
 Raised upper eyelids
 Tighten up area around eyes
 Eyebrows lowered and brought together

9. Recognizing Fear
Mouth :
 Lips stretched horizontally
 Possibly dropped jaw
Eyes:
 Upper eyelids raised as high as possible
 Eyebrows raised and slightly closer
together
 Eyes staring straight ahead

12.  Facial expressions as social signals
 Facial expressions for animation
 Research by Paul Ekman

13. Problem Space for Facial
Expression Analysis
Level of Description
 Individual Differences in Subjects
 Transitions Among Expressions
 Intensity of Facial Expression
 Deliberate Versus Spontaneous
Expression
 Head Orientation and Scene
Complexity
 Image Acquisition and Resolution


14. Facial Expression Tips When
Giving
a Presentation
When is the last time you thought
about your facial expressions?
 Smiling eyes
 Things are looking up
 Guffaw
 Nod on
 Disgust


15. Which expression is this?

16. And this?

17. Facial expression tips while
giving a presentation

When is the last time you thought
about your facial expressions?

18. Smiling eyes

Enthusiastic presenter

20. Guffaw

Don’t be afraid to laugh out loud –
especially at yourself. . As we all
know, “they’ll laugh with you.”

21. Nod on…

22. Disgust

A face can be a punch line.

23. 
Conclusion

Bibliography
• Secrets of face to face communication
(Dr. Robert A.Trect)
• Body language
(Allan & Barbara Pease)
• Understanding body language
(Pramod Rao & Pallavi Kate)

24. THANKYOU..!!