In tie context of multimedia, an avatar is the visual representation of the self in a virtual world. It is desirable to incorporate personal information, such as an image of fac~ about the user into the avatar. To Wi end we have developed an algorithm which can autom3tid1y extract a face from an imagq modify it characterize it in terms of high-level propertiw, and apply it to the creation of a persontized avatar. The algorithm h= been tested on several hundred facial imag=, including many taken under uncontro~ed acquisition conditions, and found to efilbit satisfactory performmce for immedi3te practid use.
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