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- W2135432874 abstract "Within the past few years, there has been a great interest in face modeling for anaalysis (e.g. facial expressio recognition) and synthesis (e.g. virtual avatars). There are two primary approaches, the appearance models (AM) and the structure from motion (SFM). These approaches are extensively studied, and both approaches have limitations. We introduce a semi-automatic method for 3D facial appearance modeling from video that addresses previous problems. Four main novelties are proposed: (1) a 3D generative facial appearance model integrates both structure and appearance, (2) the model is learned in a semi-unsupervised manner from video sequences, greatly reducing the need for tedious manual pre-processing, (3) a constrained flow-based stochastic sampling technique improves specificity in the learning process, and (4) in the appearance learning step, we automatically select the most representative images from the sequence. By doing so, we avoid biasing the linear model, speed up processing and enable more tractable computations. Preliminary experiments of learning 3D facial appearance models from video are reported." @default.
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- W2135432874 date "2004-06-10" @default.
- W2135432874 modified "2023-09-24" @default.
- W2135432874 title "Learning 3D appearance models from video" @default.
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- W2135432874 doi "https://doi.org/10.1109/afgr.2004.1301606" @default.
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