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Digital Photography Articles

Exchanging Faces in Images
Published by: mpi-sb.mpg.de       12-02-2005        Read Complete Article
Article Summary

In Computer Graphics, more and more applications require digital effects within existing images or video material, rather than creating virtual scenes entirely. Currently, tasks such as exchanging or animating faces in images are usually done manually with software for digital photo editing, which follows the same principle as conventional photographic print retouching: color values in images are changed locally in each point, and image regions are copied from one image into another. This is very tedious and requires the skill of an artist.

We have developed a method that provides users a high-level tool for exchanging or animating faces in images in an almost completely automated way. For the user, the new editing paradigm is no longer based on points (pixels), but on high level descriptions such as "Person A", "Person B", and "Smile". Most importantly, our algorithm can insert a face from a given viewing direction into images at any other viewing directions and illuminations, which was not possible with previous techniques. ....Read Complete Article




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