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How do professional movie productions do this? For example the Winklevoss brothers in The Social Network both had the face of one of the actors.
by Aqwis 15y ago
How do professional movie productions do this? For example the Winklevoss brothers in The Social Network both had the face of one of the actors.
- Geee 15y agoThis is simple 're-texturing'. I.e. the image of other face is projected onto your face (or the 3D reconstruction of it). To actually change, re-render and replace the original geometry is much much more complicated, and also involves re-creating all direct and indirect illumination, which also needs full 3D reconstruction of the surroundings and light sources. That's how it's done in movies and it involves motion capture and huge amount of manual labor. Edit: Speaking of replacing with a generated 3D face. Winklewoss replacement could be done 'simply' by double filming both actors in same position and then photoshopping the faces replacing the one with another, frame-by-frame. Face-tracking could be used to align the faces.
- keane 15y agoArmie Hammer's face was digitally transplanted on top of Josh Pence's body in shots where both brothers appeared in the same shot during post. Otherwise, they would change angles and re-film a scene with Hammer as both. For a video that shows how they did this, see http://videos.nymag.com/video/Vulture-Exclusive-The-Winklevii http://videos.nymag.com/video/Vulture-Exclusive-The-Winklevi...