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Separating Directional Lighting Variability in Statistical Face Modelling Based on Texture Space Decomposition
Separating Directional Lighting Variability in Statistical Face Modelling Based on Texture Space Decomposition
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机译:基于纹理空间分解的统计面部建模中的方向照明可变性分离
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摘要
A technique for determining a characteristic of a face or certain other object within a scene captured in a digital image including acquiring an image and applying a linear texture model that is constructed based on a training data set and that includes a class of objects including a first subset of model components that exhibit a dependency on directional lighting variations and a second subset of model components which are independent of directional lighting variations. A fit of the model to the face or certain other object is obtained including adjusting one or more individual values of one or more of the model components of the linear texture model. Based on the obtained fit of the model to the face or certain other object in the scene, a characteristic of the face or certain other object is determined.
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