making faces - dynamic graphics project...making faces part 1: the structure, anatomy and psychology...
TRANSCRIPT
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Making Faces
Chris Landreth CSC2529, University of Toronto
Winter 2011
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Which face belongs to Barack Obama? Most people can distinguish even the world’s most famous Obama
doppelganger from the U.S. president.
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Who is this person?
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Who is this person?
What mood is she in?
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We are hard-wired to recognize faces and expressions—
even from a football field away.
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The Fusiform Gyrus: Where the brain recognizes faces
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The Inferior Temporal Gyrus: Where the brain recognizes everything else
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So refined is our facial acuity that we can:
Recognize a person after 40 years…
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So refined is our facial acuity that we can:
Recognize a person after 40 years…
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So refined is our facial acuity that we can:
Sense when someone is lying…
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So refined is our facial acuity that we can:
Tell the emotion within, when nothing is happening…
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So refined is our facial acuity that we can:
See complex, human expression in a cartoon fish…
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Goals of this course:
--Refine your ability to see and read faces. --Learn the anatomy and psychology of the human face.
--Rig an anatomically correct face of a CG character. --Animate this character.
--Use this knowledge to advance the field of Facial Animation in CGI.
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Making Faces Part 1: The structure, anatomy and psychology of the face (four sessions)
Class 1 (Jan 10): Observing and drawing the human head
Class 2 (Jan 17): Inside out, outside in: the skull
Class 3 (Jan 24): Muscles and FACS (Facial Action Coding System)
Class 4 (Jan 31): An introduction to facial expression
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Making Faces Part 2: Constructing a CG face (four sessions)
Class 5 (Feb 28): Modeling the expressions with FACS
Class 6 (Mar 7): Rigging the face part 1
Class 7 (Mar 14): Rigging the face part 2
Class 8 (Mar 21): The tongue, speech and phonemes
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Making Faces Part 3: Animating a CG face (four sessions)
Class 9 (Mar 28): Animation part 1: doing nothing
Class 10 (Apr 4): Animation part 2: lipsynch
Class 11 (Apr 11): Animation part 3: acting with restraint
Class 12 (Apr 18): Animation part 4: going over the top
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Making Faces Part 4: Final Projects
Class 13 (Friday Apr 22): Final exercise-- Animate a face doing 20 seconds of acting, with at least 5 seconds of speech
Final Technical Component: A project on a mutually agreed upon topic that models, simulates or controls some aspect of facial animation or workflow.
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Recommended Readings:
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Part 1:
Seeing the Face
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Basic Proportions of the Human Head
The Rule
of Equal Halves
Distance from eyes to the crown
EQUALS
Distance from eyes to the chin
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Basic Proportions of the Human Head
The Rule
of Equal Thirds
Hairline to Brow
EQUALS
Brow to Nostrils
EQUALS
Nostrils to Chin
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Basic Proportions of the Human Head
The eyes: Equal fifths
When a person faces you straight-on, his/her head is roughly five eyes wide.
1 2 3 4 5
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Eggs and Crosshairs: Constructing the face from scratch
Good drawings of a face start from 3 simple drawn objects: a midline, an eyeline, and a rough outline of the head—an egg shape.
eyeline
midline
egg
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Egg -> Head
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Visualizing the Eye
The eye is pretty much a sphere, about 26 mm in diameter. It sits on a pad of fat and muscles, embedded about halfway into the eye socket (ie. the Orbit).
The lids of the eye form a curved surface on top of it. You can think of their structure as a bit like a knight’s helmet, where the upper lid is the helmet’s visor.
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Visualizing the nose—front view
Think of the nose as a trapezoidal prism, wide at the base, narrow at its top. After you sketch in this basic polygonal shape, refine it by rounding out its features. The base gets rounded out to create the nose tips, then recessed on both sides to create nostrils.
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Visualizing the nose—more arbitrary views
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Visualizing the mouth…
The mouth presents a dizzying variety of shapes and sizes. Most important to get right is the “line between the lips” (LBL) when drawing a closed mouth.
LBL LBL
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Homework (for Monday Jan. 17): 1. Do two drawings of “Blockhead” (from the
quicktime movie provided on this site.
2. With a mirror, draw a self-portrait.