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magneeto

anycode for facial expression simulation??

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hi, are there any codes available for simulating facial expressions? i've searched a lot but didn't seem to find any.

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Guest Anonymous Poster
No.


No one's going to freely distrubute 'code' that will generate facial expressions.
The closest thing you *might* find is a licensed library or api for a facial expression package.
I don't know any names off the top of my head, but plan on spending $$$.

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I remember seeing a old demo in ATI developer site, that simulated facial expressions, you can probably find it if you dig enough. I think it used precanned animations, tough.

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thank you guys for all the replys. corman you sent a really nice link. ok now another request ...... i was hoping to find any implementations or demos on Wrinkle Simulation due to aging effect of the human face. i have found papers but no demos or distributions. so help again!!!!!!!!!

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Actually, the newest release of OGRE includes a sample called "FacialAnimation" which includes a character that runs through all the mouthshapes and whatnot...

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as far as wrinkle simulations, i think you're better off doing something like that yourself. The easiest way to do it is to have your artist make a young/smooth texture and an old/wrinkled texture, and interpolate between the two (and bumpmap it).

Can you throw up some links to the wrinkle papers you've found? All I found was a chapter from GPU Gems detailing skin with subsurface scattering and occlusion querying.

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i have found the following papers..........

www.iee.org/oncomms/pn/visualinformation/3_2%20Catherine%20Hill%20slides.pdf
www.miralab.unige.ch/papers/98.pdf
www.dii.unisi.it/~sarti/caricature/aging_tpami.pdf
Automatic Aging of Adult Faces in Images
www.miralab.unige.ch/papers/97.pdf

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Firstly, try Facegen, it's only a demo, but try it out.

There's an option to export each phoneme as a .3ds file. (around 29 of them IIRC).

I did a demo ages ago where I used each of these phoneme meshes as a morph target, and lerp'ed between them to get a prestty smooth lip sync going on.

I believe Valve uses something similar in HL2.

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developing something like Facegen is impossible for me at this stage. i would prefer something simpler.searching with "simulating aging effect on face images" retured a lot of papers. i really don't have the time building from scratch. so if any of you know where to get some source then plzzzz tell me. thanks........

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