Paul Debevec animates a photo-real digital face

86,268 views ใƒป 2009-10-20

TED


ืื ื ืœื—ืฅ ืคืขืžื™ื™ื ืขืœ ื”ื›ืชื•ื‘ื™ื•ืช ื‘ืื ื’ืœื™ืช ืœืžื˜ื” ื›ื“ื™ ืœื”ืคืขื™ืœ ืืช ื”ืกืจื˜ื•ืŸ.

ืžืชืจื’ื: Ido Dekkers ืžื‘ืงืจ: Sigal Tifferet
00:18
One of the biggest challenges in computer graphics
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ืื—ื“ ืžื”ืืชื’ืจื™ื ื”ื’ื“ื•ืœื™ื ื‘ื’ืจืคื™ืงื” ืžืžื•ื—ืฉื‘ืช
00:21
has been being able to create a photo-real,
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ื”ื™ื” ืœื™ืฆื•ืจ ืคืจืฆื•ืฃ ืื ื•ืฉื™,
00:23
digital human face.
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ืคื•ื˜ื• ืจืืœื™ืกื˜ื™.
00:25
And one of the reasons it is so difficult is that, unlike aliens and dinosaurs,
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ื•ืื—ืช ื”ืกื™ื‘ื•ืช ืฉื–ื” ื›ืœ ื›ืš ืงืฉื”, ื”ื™ื ืฉื‘ื ื™ื’ื•ื“ ืœื—ื™ื™ื–ืจื™ื ื•ื“ื™ื ื•ื–ืื•ืจื™ื,
00:28
we look at human faces every day.
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ืื ื—ื ื• ืžื‘ื™ื˜ื™ื ื‘ืคื ื™ื ื”ืื ื•ืฉื™ื•ืช ื›ืœ ื™ื•ื.
00:31
They are very important to how we communicate with each other.
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ื”ืŸ ื—ืฉื•ื‘ื•ืช ืžืื•ื“ ืœื“ืจืš ื‘ื” ืื ื• ืžืชืงืฉืจื™ื ืื—ื“ ืขื ื”ืฉื ื™.
00:33
As a result, we're tuned in to the subtlest things
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ื›ืชื•ืฆืื” ืžื›ืš, ืื ื—ื ื• ืžื›ื•ื•ื•ื ื™ื ืœื”ื‘ื“ื™ืœ ื‘ื“ื‘ืจื™ื ื”ืงื˜ื ื™ื ื‘ื™ื•ืชืจ
00:36
that could possibly be wrong with a computer rendering,
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ืฉื™ื›ื•ืœื™ื ืœื”ื™ื•ืช ืฉื’ื•ื™ื™ื ื‘ืชื•ืฆืื” ื”ืžืžื•ื—ืฉื‘ืช,
00:38
in order to believe whether these things are realistic.
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ื›ื“ื™ ืœื”ื‘ื“ื™ืœ ืื ื”ื ืจืืœื™ืกื˜ื™ื™ื ืื• ืœื.
00:41
And what I'm going to do in the next five minutes
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ื•ืžื” ืฉืื ื™ ืขื•ืžื“ ืœืขืฉื•ืช ื‘ื—ืžืฉ ื”ื“ืงื•ืช ื”ืงืจื•ื‘ื•ืช
00:43
is take you through a process
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ื–ื” ืœืงื—ืช ืืชื›ื ื“ืจืš ืชื”ืœื™ืš
00:45
where we tried to create a reasonably photo-realistic computer-generated face,
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ื‘ื• ื ื™ืกื™ื ื• ืœื™ืฆื•ืจ ืคืจืฆื•ืฃ ืžืžื•ื—ืฉื‘ ืคื•ื˜ื• ืจืืœื™ืกื˜ื™ ื˜ื•ื‘ ืžืกืคื™ืง,
00:48
using some computer graphics technology we've developed,
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ืชื•ืš ืฉื™ืžื•ืฉ ื‘ื˜ื›ื ื•ืœื•ื’ื™ืช ื’ืจืคื™ืงื” ืžืžื•ื—ืฉื‘ืช ืฉืคื™ืชื—ื ื•,
00:51
and also some collaborators at a company called Image Metrics.
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ื•ืฉื•ืชืคื™ื ื‘ื—ื‘ืจื” ื”ื ืจืืช "Image Metrics".
00:53
And we're going to try to do a photo-real face
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ื•ืื ื—ื ื• ืขื•ืžื“ื™ื ืœื ืกื•ืช ืœืขืฉื•ืช ืคืจืฆื•ืฃ
00:55
of an actress named Emily O'Brien, who is right there.
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ืฉืœ ืฉื—ืงื ื™ืช ื‘ืฉื ืืžื™ืœื™ ืื•ื‘ืจื™ื™ืืŸ, ืฉื ืžืฆืืช ืฉื.
00:58
And that's actually a completely computer-generated rendering of her face.
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ื•ื–ื” ื‘ืขืฆื ื™ืฆื•ื’ ืžืžื•ื—ืฉื‘ ืœื—ืœื•ื˜ื™ืŸ ืฉืœ ื”ืคื ื™ื ืฉืœื”.
01:01
By the end of the talk, we're going to see it move.
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ื‘ืกื•ืฃ ื”ืฉื™ื—ื”, ื ืจืื” ืื•ืชื• ื–ื–.
01:03
The way that we did this is we tried to start with Emily herself,
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ื”ื“ืจืš ืฉื‘ื” ืขืฉื™ื ื• ื–ืืช ื”ื™ื ืœื”ืชื—ื™ืœ ืขื ืืžื™ืœื™ ืขืฆืžื”,
01:06
who was gracious enough to come to our laboratory
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ืฉื”ื™ืชื” ื ื“ื™ื‘ื” ืžืกืคื™ืง ืœื‘ื•ื ืœืžืขื‘ื“ื” ืฉืœื ื•
01:09
in Marina Del Rey, and sit for a session in Light Stage 5.
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ื‘ืžืจื™ื ื” ื“ืœ ืจื™ื™, ื•ืœืฉื‘ืช ื‘ืกืฉืŸ ื‘ื‘ืžื” 5.
01:12
This is a face-scanning sphere, with 156 white LEDs all around
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ื–ื” ืกืคืจื” ืกื•ืจืงืช ืคื ื™ื, ืขื 156 ืœื“ื™ื ืœื‘ื ื™ื ืžืกื‘ื™ื‘,
01:16
that allow us to photograph her
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ืฉืžืืคืฉืจืช ืœื ื• ืœืฆืœื ืื•ืชื”
01:18
in a series of very controlled illumination conditions.
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ื‘ืกื“ืจื” ืฉืœ ืžืฆื‘ื™ ืชืื•ืจื” ืžื‘ื•ืงืจื™ื.
01:21
And the lighting that we use these days looks something like this.
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ื•ื”ืชืื•ืจื” ืฉื‘ื” ืื ื• ืžืฉืชืžืฉื™ื ื ืจืืช ื‘ืขืจืš ื›ื›ื”.
01:24
We shoot all of these photographs in about three seconds.
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ืื ื—ื ื• ืžืฆืœืžื™ื ืืช ื›ืœ ื”ืชืžื•ื ื•ืช ืชื•ืš ื‘ืขืจืš ืฉืœื•ืฉ ืฉื ื™ื•ืช.
01:26
And we basically capture enough information
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ื•ืื ื—ื ื• ืžืงื‘ืœื™ื ืžืกืคื™ืง ืžื™ื“ืข
01:29
with video projector patterns that drape over the contours of her face,
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ืขื ืžืงืจื ื™ ื•ื™ื“ืื• ืฉืขื•ื˜ืคื™ื ืืช ื›ืœ ืงื•ื•ื™ ื”ืคื ื™ื ืฉืœื”,
01:33
and different principle directions of light from the light stage,
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ื•ื›ื™ื•ื•ื ื™ ืชืื•ืจื” ืขื™ืงืจื™ื™ื ืฉื•ื ื™ื ืžื‘ืžืช ื”ืชืื•ืจื”,
01:35
to figure out both the coarse-scale
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ื›ื“ื™ ืœืงื‘ืœ ื’ื ืงื ื” ืžื™ื“ื” ื’ืก
01:37
and the fine-scale detail of her face.
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ื•ื’ื ืืช ื”ืคืจื˜ื™ื ื”ืขื“ื™ื ื™ื ืฉืœ ื”ืคื ื™ื ืฉืœื”.
01:39
If we zoom in on this photograph right here,
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ืื ื ืขืฉื” ื–ื•ื ืขืœ ื”ืชืžื•ื ื” ื”ื–ื• ื›ืืŸ,
01:41
we can see it's a really nice photograph to have of her,
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ืืคืฉืจ ืœืจืื•ืช ืฉื–ื• ืžืžืฉ ืชืžื•ื ื” ื˜ื•ื‘ื” ืฉืœื”,
01:43
because she is lit from absolutely everywhere at the same time
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ืžืคื ื™ ืฉื”ื™ื ืžื•ืืจืช ืžื›ืœ ื”ื›ื™ื•ื•ื ื™ื ื‘ืื•ืชื• ื–ืžืŸ
01:47
to get a nice image of her facial texture.
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ื›ื“ื™ ืœืงื‘ืœ ืชืžื•ื ื” ื˜ื•ื‘ื” ืฉืœ ื”ื˜ืงืกื˜ื•ืจื” ืฉืœ ื”ืคื ื™ื ืฉืœื”.
01:49
And in addition, we've actually used polarizers on all the lights --
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ื•ื‘ื ื•ืกืฃ, ื”ืฉืชืžืฉื ื• ื‘ืžืงื˜ื‘ื™ื ืขืœ ื›ืœ ื”ืชืื•ืจื” --
01:52
just like polarized sunglasses can block
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ื›ืžื• ืฉืžืฉืงืคื™ ืฉืžืฉ ืžืงื•ื˜ื‘ื•ืช ื™ื›ื•ืœื•ืช ืœื—ืกื•ื
01:54
the glare off of the road,
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ืืช ื”ื—ื–ืจื™ ื”ืื•ืจ ืžื”ื›ื‘ื™ืฉ,
01:56
polarizers can block the shine off of the skin,
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ืžืงื˜ื‘ื™ื ื™ื›ื•ืœื™ื ืœื—ืกื•ื ืืช ื”ื‘ื•ื”ืง ืฉืœ ื”ืขื•ืจ,
01:58
so we don't get all those specular reflections to take this map.
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ืื– ืื ื—ื ื• ืœื ืžืงื‘ืœื™ื ืืช ื›ืœ ื”ื‘ื•ื”ืงื™ื ื”ืืœื” ื›ื“ื™ ืœื™ืฆื•ืจ ืืช ื”ืžืคื” ื”ื–ืืช.
02:01
Now, if we turn the polarizers around just a little bit,
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ืขื›ืฉื™ื•, ืื ื ืกื•ื‘ื‘ ืืช ื”ืžืงื˜ื‘ื™ื ืจืง ืงืฆืช,
02:03
we can actually bring that specular reflection
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ื ื•ื›ืœ ืœื”ื—ื–ื™ืจ ืืช ื”ื‘ื•ื”ืงื™ื
02:05
of the skin back in,
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ืฉืœ ื”ืขื•ืจ ื‘ื—ื–ืจื”,
02:07
and you can see she looks kind of shiny and oily at this point.
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ื•ืืชื ื™ื›ื•ืœื™ื ืœืจืื•ืช ืฉื”ื™ื ืงืฆืช ื‘ื•ื”ืงืช ื•ืฉืžื ื•ื ื™ืช ืขื›ืฉื™ื•.
02:10
If you take the difference between these two images here,
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ืื ืชืงื—ื• ืืช ื”ื”ื‘ื“ืœ ื‘ื™ืŸ ืฉืชื™ ื”ืชืžื•ื ื•ืช,
02:13
you can get an image lit from the entire sphere of light
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ืชืงื‘ืœื• ืชืžื•ื ื” ืžื•ืืจืช ืžื›ืœ ื›ื“ื•ืจ ื”ืื•ืจ
02:15
of just the shine off of Emily's skin.
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ืฉืœ ืจืง ื”ื‘ื•ื”ืง ืฉืœ ื”ืขื•ืจ ืฉืœ ืืžื™ืœื™.
02:18
I don't think any photograph like this had ever been taken
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ืื ื™ ืœื ื—ื•ืฉื‘ ืฉืื™ ืคืขื ืฆื™ืœืžื• ืชืžื•ื ื” ื›ื–ืืช
02:20
before we had done this.
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ืœืคื ื™ ืฉืขืฉื™ื ื• ืืช ื–ื”.
02:22
And this is very important light to capture,
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ื•ื–ื” ืื•ืจ ืžืื•ื“ ื—ืฉื•ื‘ ืœืชืคื•ืก,
02:25
because this is the light that reflects off the first surface of the skin.
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ืžืคื ื™ ืฉื–ื” ื”ืื•ืจ ื”ืžื•ื—ื–ืจ ืžื”ืฉื›ื‘ื” ื”ืจืืฉื•ื ื” ืฉืœ ื”ืขื•ืจ.
02:27
It doesn't get underneath the translucent
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ื”ื•ื ืœื ืžื’ื™ืข ืžืชื—ืช ืœืฉื›ื‘ื•ืช
02:29
layers of the skin and blur out.
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ื”ืฉืงื•ืคื•ืช ืœืžื—ืฆื” ืฉืœ ื”ืขื•ืจ ื•ืžืชืคื–ืจ.
02:31
And, as a result, it's a very good cue
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ื•ื›ืชื•ืฆืื” ืžื›ืš, ื–ื” ืกืžืŸ ื˜ื•ื‘ ืžืื•ื“
02:33
to the detailed shape of the skin-pore structure
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ืœืžื‘ื ื” ื”ืžื“ื•ื™ื™ืง ืฉืœ ื ืงื‘ื•ื‘ื™ื•ืช ื”ืขื•ืจ
02:36
and all of the fine wrinkles that all of us have,
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ื•ื›ืœ ื”ืงืžื˜ื™ื ื”ืขื“ื™ื ื™ื ืฉืœื›ื•ืœื ื• ื™ืฉ,
02:38
the things that actually make us look like real humans.
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ื”ื“ื‘ืจื™ื ืฉื’ื•ืจืžื™ื ืœื ื• ืœื”ืจืื•ืช ื‘ืืžืช ืื ื•ืฉื™ื™ื.
02:40
So, if we use information that comes off of this specular reflection,
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ืื–, ืื ื ืฉืชืžืฉ ื‘ืžื™ื“ืข ืฉืžื’ื™ืข ืžื”ื”ืฉืชืงืคื•ืช ื”ื–ืืช
02:44
we can go from a traditional face scan
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ื ื•ื›ืœ ืœืขื‘ื•ืจ ืžืกืจื™ืงืช ืคื ื™ื ืจื’ื™ืœื”
02:46
that might have the gross contours of the face and the basic shape,
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ืฉื ื•ืชื ืช ืืช ื”ืงื•ื•ื™ื ื”ื›ืœืœื™ื™ื ืฉืœ ื”ืคื ื™ื ื•ื”ืฆื•ืจื•ืช ื”ื‘ืกื™ืกื™ื•ืช,
02:50
and augment it with information
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ื•ืœืจื‘ื“ ืื•ืชื” ืขื ืžื™ื“ืข
02:52
that puts in all of that skin pore structure and fine wrinkles.
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ืฉืžื•ืกื™ืฃ ืืช ื›ืœ ื ืงื‘ื•ื‘ื™ื•ืช ื”ืขื•ืจ ื•ื”ืงืžื˜ื™ื.
02:55
And, even more importantly,
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ื•ืืคื™ืœื• ื—ืฉื•ื‘ ื™ื•ืชืจ,
02:57
since this is a photometric process that only takes three seconds to capture,
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ืžืื—ืจ ื•ื–ื” ืชื”ืœื™ืš ืฆื™ืœื•ืžื™ ืฉืœื•ืงื— ืจืง ืฉืœื•ืฉ ืฉื ื™ื•ืช,
03:00
we can shoot Emily
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ืื ื—ื ื• ื™ื›ื•ืœื™ื ืœืฆืœื ืืช ืืžื™ืœื™
03:02
in just part of an afternoon,
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ื‘ื—ืœืง ืžืื—ืจื™ ื”ืฆื”ืจื™ื™ื,
03:04
in many different facial poses and facial expressions.
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ื‘ื”ืจื‘ื” ืคืจืฆื•ืคื™ื ื•ื”ื‘ืขื•ืช ืคื ื™ื.
03:07
So, here you can see her moving her eyes around, moving her mouth around.
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ืื–, ื›ืืŸ ืืชื ื™ื›ื•ืœื™ื ืœืจืื•ืช ืื•ืชื” ืžื–ื™ื–ื” ืืช ื”ืขื™ื ื™ื™ื ืœืฆื“ื“ื™ื, ืžื–ื™ื–ื” ืืช ื”ืคื”.
03:10
And these we're actually going to use to create a photo-real digital character.
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ื•ื‘ืืœื” ื‘ืขืฆื ื ืฉืชืžืฉ ื›ื“ื™ ืœื™ืฆื•ืจ ื“ืžื•ืช ืžืžื•ื—ืฉื‘ืช.
03:13
If you take a look at these scans that we have of Emily,
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ืื ืชื‘ื™ื˜ื• ื‘ืกืจื™ืงื•ืช ื”ืืœื” ืฉื™ืฉ ืœื ื• ืฉืœ ืคื ื™ื” ืฉืœ ืืžื™ืœื™,
03:17
you can see that the human face does an enormous amount of amazing things
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ืชืจืื• ืฉื”ืคื ื™ื ื”ืื ื•ืฉื™ื•ืช ืขื•ืฉื•ืช ื˜ื•ื•ื— ืจื—ื‘ ืฉืœ ื“ื‘ืจื™ื ืžื“ื”ื™ืžื™ื
03:20
as it goes into different facial expressions.
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ื›ืฉื”ื ืขื•ื‘ืจื•ืช ืœื”ื‘ืขื•ืช ืคื ื™ื ืฉื•ื ื•ืช.
03:23
You can see things. Not only the face shape changes,
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ืชื•ื›ืœื• ืœืจืื•ืช ื“ื‘ืจื™ื, ืœื ืจืง ืฆื•ืจืช ื”ืคื ื™ื ืžืฉืชื ื”,
03:26
but all sorts of different skin buckling and skin wrinkling occurs.
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ืืœื ื›ืœ ืžื™ื ื™ ื”ืชืงืคืœื•ื™ื•ืช ืฉืœ ื”ืขื•ืจ ื•ืงื™ืžื•ื˜ื™ื ืฉื•ื ื™ื.
03:30
You can see that the skin pore structure changes enormously
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ืจื•ืื™ื ืฉืžื‘ื ื” ื”ื ืงื‘ื•ื‘ื™ื•ืช ืžืฉืชื ื” ืœื—ืœื•ื˜ื™ืŸ
03:34
from stretched skin pores
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ืžื ืงื‘ื•ื‘ื™ื•ืช ืžืชื•ื—ื•ืช,
03:36
to the regular skin texture.
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ืœื˜ืงืกื˜ื•ืจืช ืขื•ืจ ืจื’ื™ืœื”.
03:38
You can see the furrows in the brow and how the microstructure changes there.
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ืืชื ื™ื›ื•ืœื™ื ืœืจืื•ืช ืืช ื”ื—ืจื™ืฆื™ื ื‘ื’ื‘ื” ื•ืื™ืš ื”ืžื‘ื ื” ื”ืžื™ืงืจื•ืกืงื•ืคื™ ืžืฉืชื ื” ืฉื.
03:41
You can see muscles pulling down at flesh to bring her eyebrows down.
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ืืคืฉืจ ืœืจืื•ืช ืืช ื”ืฉืจื™ืจื™ื ืžื•ืฉื›ื™ื ืืช ื”ื‘ืฉืจ ื›ื“ื™ ืœื”ื•ืจื™ื“ ืืช ื”ื’ื‘ื•ืช.
03:45
Her muscles bulging in her forehead when she winces like that.
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ื”ืฉืจื™ืจื™ื ืžืชื ืคื—ื™ื ื‘ืžืฆื— ืฉืœื” ื›ืฉื”ื™ื ื ืจืชืขืช ื›ื›ื”.
03:48
In addition to this kind of high-resolution geometry,
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ื‘ื ื•ืกืฃ ืœื’ืื•ืžื˜ืจื™ื” ื‘ืจื–ื•ืœื•ืฆื™ื” ื’ื‘ื•ื”ื”,
03:51
since it's all captured with cameras, we've got a great texture map to use for the face.
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ืžืื—ืจ ื•ื”ื›ืœ ื ืงืœื˜ ื‘ืžืฆืœืžื•ืช, ื™ืฉ ืœื ื• ืžืคืช ื˜ืงืกื˜ื•ืจื” ืžืขื•ืœื” ืœืฉื™ืžื•ืฉ ื‘ืคื ื™ื.
03:55
And by looking at how the different color channels of the illumination,
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ื•ื›ืฉืžื‘ื™ื˜ื™ื ื‘ื›ืœ ืขืจื•ืฆื™ ื”ืฆื‘ืข ื‘ืชืื•ืจื”,
03:57
the red and the green and the blue,
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ื”ืื“ื•ื ื•ื”ื™ืจื•ืง ื•ื”ื›ื—ื•ืœ,
03:59
diffuse the light differently,
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ืžืคื–ืจื™ื ืืช ื”ืื•ืจ ื‘ืฆื•ืจื” ืฉื•ื ื”,
04:01
we can come up with a way of shading the skin on the computer.
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ื ื•ื›ืœ ืœื”ื’ื™ืข ืœื“ืจืš ืœื”ืฆืœื™ืœ ืืช ื”ืขื•ืจ ื‘ืžื—ืฉื‘.
04:04
Then, instead of looking like a plaster mannequin,
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ื•ืื–, ื‘ืžืงื•ื ืœื”ืจืื•ืช ื›ืžื• ื‘ื•ื‘ืช ืคืœืกื˜ื™ืง,
04:07
it actually looks like it's made out of living human flesh.
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ื”ื™ื ื ืจืื™ืช ื›ืื™ืœื• ื”ื™ื ื‘ืืžืช ืขืฉื•ื™ื™ื” ืžืขื•ืจ ืื“ื.
04:10
And this is what we used
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ื•ื–ื” ืžื” ืฉื ืชื ื•
04:12
to give to the company Image Metrics
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ืœื—ื‘ืจืช Image Metrics
04:14
to create a rigged, digital version of Emily.
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ื›ื“ื™ ืœื™ืฆื•ืจ ื’ื™ืจืกื” ื“ื™ื’ื™ื˜ืœื™ืช ืžืื•ื‘ื–ืจืช ืฉืœ ืืžื™ืœื™.
04:17
We're just seeing the coarse-scale geometry here.
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ืื ื—ื ื• ืจืง ืจื•ืื™ื ืืช ื”ื’ืื•ืžื˜ืจื™ื” ื”ื’ืกื” ืคื”.
04:19
But they basically created a digital puppet of her,
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ืื‘ืœ ื”ื ื‘ืขืฆื ื™ืฆืจื• ื‘ื•ื‘ื” ื“ื™ื’ื™ื˜ืœื™ืช ืฉืœื”,
04:22
where you can pull on these various strings,
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ืฉื‘ื” ืืคืฉืจ ืœืžืฉื•ืš ืืช ื›ืœ ื”ื—ื•ื˜ื™ื ื”ืืœื”,
04:24
and it actually moves her face in ways that are
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ื•ื–ื” ื‘ืืžืช ืžื–ื™ื– ืืช ื”ืคื ื™ื ืฉืœื” ื‘ื“ืจื›ื™ื
04:26
completely consistent with the scans that we took.
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ืขืงื‘ื™ื•ืช ืœื—ืœื•ื˜ื™ืŸ ืœืกืจื™ืงื•ืช ืฉืœืงื—ื ื•.
04:28
And, in addition to the coarse-scale geometry,
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ื•ื‘ื ื•ืกืฃ ืœื’ืื•ืžื˜ืจื™ื” ื”ื’ืกื”,
04:30
they also used all of that detail
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ื”ื ื”ืฉืชืžืฉื• ื‘ื›ืœ ื”ืคืจื˜ื™ื ืฉืœื”
04:32
to create a set of what are called "displacement maps"
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ื›ื“ื™ ืœื™ืฆื•ืจ ืกื˜ ืฉืœ ืžื” ืฉืื ื—ื ื• ืงื•ืจืื™ื ืœื• "ืžืคื•ืช ื”ื–ื—ื”"
04:35
that animate as well.
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ืฉืืคืฉืจ ื’ื ืœื”ื ืคื™ืฉ.
04:38
These are the displacement maps here.
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ืืœื” ืžืคื•ืช ื”ื”ื–ื—ื” ื›ืืŸ.
04:40
And you can see those different wrinkles actually show up as she animates.
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ื•ืืคืฉืจ ืœืจืื•ืช ืฉื”ืงืžื˜ื™ื ืžืžืฉ ืžื•ืคื™ืขื™ื ื›ืฉื”ื™ื ืžื•ื ืคืฉืช.
04:43
So the next process was then to animate her.
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ืื– ื”ืฉืœื‘ ื”ื‘ื ื”ื™ื” ืœื”ื ืคื™ืฉ ืื•ืชื”.
04:45
We actually used one of her own performances to provide the source data.
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ื”ืฉืชืžืฉื ื• ืžืžืฉ ื‘ืื—ืช ื”ื”ื•ืคืขื•ืช ืฉืœื” ื›ื“ื™ ืœืกืคืง ืžื™ื“ืข.
04:49
So, by analyzing this video with computer vision techniques,
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ืื–, ืขืœ ื™ื“ื™ื“ ื ื™ืชื•ื— ื”ืกืจื˜ื•ืŸ ื”ื–ื” ืขื ื˜ื›ื ื™ืงื•ืช ืžื•ื—ืฉื‘ื•ืช,
04:52
they were able to drive the facial rig
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ื”ื ื”ืฆืœื™ื—ื• ืœื”ืคืขื™ืœ ืืช ื”ืคื ื™ื
04:54
with the computer-generated performance.
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ืขื ื”ื”ื•ืคืขื” ืฉื ื•ืฆืจื” ื‘ืžื—ืฉื‘.
04:56
So what you're going to see now, after this,
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ืื– ืžื” ืฉืชืจืื• ืขื›ืฉื™ื•, ืื—ืจื™ ื–ื”,
04:58
is a completely photo-real digital face.
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ื”ืŸ ืคื ื™ื ืคื•ื˜ื•ืจืืœื™ืกื˜ื™ื•ืช ื“ื™ื’ื™ื˜ืœื™ื•ืช.
05:00
We can turn the volume up a little bit if that's available.
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ื ื•ื›ืœ ืœื”ื’ื‘ื™ืจ ืงืฆืช ืืช ื”ื•ื•ืœื™ื•ื ืื ื–ื” ืืคืฉืจื™.
05:02
Emily: Image Metrics is a markerless, performance-driven animation company.
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ืืžื™ืœื™: Image Metrics ื”ื™ื ื—ื‘ืจืช ืื ื™ืžืฆื™ื” ืžื•ื ืขืช ื‘ื™ืฆื•ืขื™ื.
05:06
We specialize in high-quality facial animation
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ืื ื—ื ื• ืžืชืžื—ื™ื ื‘ืื ื™ืžืฆื™ื•ืช ืคื ื™ื ื‘ืื™ื›ื•ืช ื’ื‘ื•ื”ื”
05:09
for video games and films.
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ืœืžืฉื—ืงื™ ืžื—ืฉื‘ ื•ืกืจื˜ื™ื.
05:11
Image Metrics is a markerless, performance-driven animation company.
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Image Metrics ื”ื™ื ื—ื‘ืจืช ืื ื™ืžืฆื™ื” ืžื•ื ืขืช ื‘ื™ืฆื•ืขื™ื.
05:15
We specialize in high quality facial animation
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ืื ื—ื ื• ืžืชืžื—ื™ื ื‘ืื ื™ืžืฆื™ื•ืช ืคื ื™ื ื‘ืื™ื›ื•ืช ื’ื‘ื•ื”ื”
05:18
for video games and films.
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ืœืžืฉื—ืงื™ ืžื—ืฉื‘ ื•ืกืจื˜ื™ื.
05:21
Paul Debevec: So, if we break that down into layers, here's that diffuse component
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ืคื•ืœ ื“ื‘ื•ื•ืง: ืื–, ืื ื ืฉื‘ื•ืจ ืืช ื–ื” ืœืฉื›ื‘ื•ืช, ื”ื ื” ืฉื›ื‘ืช ื”ื”ื—ื–ืจื”
05:23
we saw in the first slide.
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ืฉืจืื™ื ื• ื‘ืฉืงื•ืคื™ืช ื”ืจืืฉื•ื ื”.
05:25
Here is the specular component animating.
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ื”ื ื” ื”ื—ืœืง ื”ืื—ื•ืจื™ ืžื•ื ืคืฉ.
05:27
You can see all the wrinkles happening there.
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ืืคืฉืจ ืœืจืื•ืช ืืช ื›ืœ ื”ืงืžื˜ื™ื ื ื•ืฆืจื™ื ื›ืืŸ.
05:29
And there is the underlying wireframe mesh.
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ื•ื”ื ื” ืฉื›ื‘ืช ื”ื’ืื•ืžื˜ืจื™ื” ื”ื‘ืกื™ืกื™ืช ืฉืžืชื—ืช.
05:34
And that is Emily herself.
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ื•ื–ื• ืืžื™ืœื™ ืขืฆืžื”.
05:36
Now, where are we going with this here?
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ืขื›ืฉื™ื•, ืœืืŸ ืื ื—ื ื• ื”ื•ืœื›ื™ื ืขื ื–ื” ืขื›ืฉื™ื•?
05:38
We've gone a little bit beyond Light Stage 5. This is Light Stage 6,
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ืขื‘ืจื ื• ืงืฆืช ืืช ื‘ื™ืžืช ื”ืื•ืจ 5. ื–ื• ื‘ื™ืžืช ืื•ืจ 6.
05:42
and we're looking at taking this technology
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ื•ืื ื—ื ื• ืจื•ืฆื™ื ืœืงื—ืช ืืช ื”ื˜ื›ื ื•ืœื•ื’ื™ื” ื”ื–ืืช
05:44
and applying it to whole human bodies.
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ื•ืœื™ื™ืฉื ืื•ืชื” ืขืœ ื’ื•ืฃ ืื ื•ืฉื™ ืฉืœื.
05:46
This is Bruce Lawmen, one of our researchers in the group,
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ื–ื” ื‘ืจื•ืก ืœืื•ืžืŸ, ืื—ื“ ืžื”ื—ื•ืงืจื™ื ื‘ืงื‘ื•ืฆื”,
05:48
who graciously agreed to get captured running in the Light Stage.
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ืฉื”ืกื›ื™ื ื‘ืจื•ื‘ ื˜ื•ื‘ื• ืœื”ืฆื˜ืœื ืจืฅ ื‘ื‘ื™ืžืช ื”ืื•ืจ.
05:51
And let's take a look at a computer-generated version
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ื•ื‘ื ื ื‘ื™ื˜ ื‘ื’ืจืกื” ื”ืžืžื•ื—ืฉื‘ืช
05:53
of Bruce, running in a new environment.
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ืฉืœ ื‘ืจื•ืก, ืจืฅ ื‘ืกื‘ื™ื‘ื” ื—ื“ืฉื”.
06:01
And thank you very much.
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ื•ืชื•ื“ื” ืœื›ื ืžืื•ื“.
06:03
(Applause)
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(ืžื—ื™ืื•ืช ื›ืคื™ื™ื)
ืขืœ ืืชืจ ื–ื”

ืืชืจ ื–ื” ื™ืฆื™ื’ ื‘ืคื ื™ื›ื ืกืจื˜ื•ื ื™ YouTube ื”ืžื•ืขื™ืœื™ื ืœืœื™ืžื•ื“ ืื ื’ืœื™ืช. ืชื•ื›ืœื• ืœืจืื•ืช ืฉื™ืขื•ืจื™ ืื ื’ืœื™ืช ื”ืžื•ืขื‘ืจื™ื ืขืœ ื™ื“ื™ ืžื•ืจื™ื ืžื”ืฉื•ืจื” ื”ืจืืฉื•ื ื” ืžืจื—ื‘ื™ ื”ืขื•ืœื. ืœื—ืฅ ืคืขืžื™ื™ื ืขืœ ื”ื›ืชื•ื‘ื™ื•ืช ื‘ืื ื’ืœื™ืช ื”ืžื•ืฆื’ื•ืช ื‘ื›ืœ ื“ืฃ ื•ื™ื“ืื• ื›ื“ื™ ืœื”ืคืขื™ืœ ืืช ื”ืกืจื˜ื•ืŸ ืžืฉื. ื”ื›ืชื•ื‘ื™ื•ืช ื’ื•ืœืœื•ืช ื‘ืกื ื›ืจื•ืŸ ืขื ื”ืคืขืœืช ื”ื•ื•ื™ื“ืื•. ืื ื™ืฉ ืœืš ื”ืขืจื•ืช ืื• ื‘ืงืฉื•ืช, ืื ื ืฆื•ืจ ืื™ืชื ื• ืงืฉืจ ื‘ืืžืฆืขื•ืช ื˜ื•ืคืก ื™ืฆื™ืจืช ืงืฉืจ ื–ื”.

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