Animated heads from ordinary images: a least-squares approach
Computer Vision and Image Understanding(1999)
摘要
We show that we can effectively fit arbitrarily complex animation models to noisy data extracted from ordinary face images Our approach is based on least-squares adjustment, using of a set of progressively finer control triangulations and takes advantage of three complementary sources of information: stereo data, silhouette edges and 2-D feature points. In this way, complete head models—including ears and hair—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.
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关键词
ordinary image,least-squares approach,animated head,algorithms,feature extraction,animation,two dimensional,image quality,least square
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