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Steve DiPaola
- Assoc.
Professor - Interactive Arts
Simon
Fraser University, Vancouver |
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NOTES:
www.dipaola.org/IV02 |
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The Face |
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Space: Facial Animation & Modeling Systems |
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Facial Knowledge Domain: Parameters |
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Expression Space |
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Prototypes: FaceLift – FaceSpace |
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6 billion unique faces – the magnificent surface |
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Showcase to the Self |
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Displays: Age, sex, health, mood, thoughts --
our soul. |
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Evolution: We are all experts on facial
interpretation |
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Not experts at how we use & interpret face
communication. |
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1) Understand the real : how faces work |
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Facial communication and expression |
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Facial meaning & relationships |
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2) Bring knowledge to our UI, Expression systems |
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Expressive communication systems (Agents,
Avatars) |
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Interactive movies, games,voice-mail , … |
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Current Authoring tools use: |
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general purpose 3D & adhoc techniques |
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Most common face authoring approaches |
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Face Creation: |
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General modeling : specific face type |
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Face Animation: |
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Morphing:
point set interpolation |
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Boning, Skinning |
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Muscle or surface deformation systems |
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Facial
Knowledge Space: |
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Correlated, contiguous |
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Complete, self describing |
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Many benefits … |
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+ |
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Proto: low level Parameters |
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Low level knowledge |
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Common face knowledge |
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Space Classification (axis)?: |
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Cultural
stereotypes (gangsters, …) |
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Ethnic,
demographic, evolutionary, … |
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Human
qualities, personalities, … |
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Dimensions of a space: |
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customized
and task oriented |
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LL params: full range, compact, oo |
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HL params: goal specific |
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expressions: devolve to LL params |
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Extend
“space” to expressions, emotions |
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High
articulation, low specification |
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Time
based issues (atom of slyness) |
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HL
Params: Hierarchicy behavior set |
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Emotion
models, expression models: |
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Lip sync |
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Gestures |
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Mood + |
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Steve DiPaola
- Assoc. Professor - Interactive Arts
Simon Fraser University, Vancouver |
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NOTES: www.dipaola.org/IV02 |
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steve@dipaola.org |
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www.dipaola.org |
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Notes