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A Texture-Based Statistical Model for Face Detection

By Thomas D. Rikert, Michael J. Jones and Paul Viola


Texture is an important cue for detecting objects that undergo shape deformation, pose changes and variations in illumination. We propose a general statistical model which relies on texture for learning an object class from a set of example images. We use the class of human faces to test our ideas. Once the model learns the distribution of the face images, it can then be used to classify new images as faces or not. The distribution of images is captured by a set of feature vectors which have been shown to produce good texture detection and synthesis results [4]. Our statistical model uses these feature vectors for classification and can handle larger variations in the appearance of faces than previous approaches. We estimate the distribution of feature vectors for an object class by clustering the data and then forming a mixture of gaussian model. The mixture model is further refined by determining which clusters are the most discriminative for the class and retaining only those cluste..

Topics: face detection, texture modeling A Texture-Based Statistical Model for Face Detection
Year: 2007
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