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.
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
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
10.
11.
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
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)