Extraction of Glasses in Human Face Images
In this paper, a face model is established based on the Delaunay triangulation for extraction of eyeglasses in human face images. A face shape is decomposed into a few chains represented by the non-shortest edge shared triangles. The width and length of a chain are quantitatively measured by the triangles in the chain. An eye region consists of small sized triangles and triangle chains with short length and narrow width. And an eye region and its glasses frame are linked the triangle chains called surrounding area. Eyes and the glasses are located by measuring the symmetry and similarity of any two regions and their surrounding areas. Experiments show that the glass boundary in various shapes can be traced automatically and accurately and small broken edges can be linked without obviously distortion.
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