14 December 1998 Modeling heads from uncalibrated video sequences
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Abstract
We show that we can effectively fit a very complex facial animation model to uncalibrated video sequences, without benefit of targets, structured light or any other active device. Our approach is based on regularized bungle-adjustment followed by least-squares minimization using a set of progressively finer control triangulations. It takes advantage of three complementary sources of information: stereo data, silhouette edges and 2-D feature points. In this way, complete head models can be acquired with a cheap and entirely passive sensor, such as an ordinary video camera. They can then be fed to existing animation software to produce synthetic sequences.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Pascal Fua, Pascal Fua, } "Modeling heads from uncalibrated video sequences", Proc. SPIE 3641, Videometrics VI, (14 December 1998); doi: 10.1117/12.333793; https://doi.org/10.1117/12.333793
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