1 July 2006 Efficient skeletonization based on generalized discrete local symmetries
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Abstract
This paper presents an efficient skeletonization method based on generalized discrete local symmetries. A generalized discrete local symmetry is a local symmetry between a contour pixel and a contour segment on the opposite side of the underlying shape. The centerlines of the local symmetries of a shape form the skeleton of the shape. The proposed method is fast compared to two existing skeletonization methods. A speed-up factor of more than 50 can be achieved for high-resolution images. The method is also robust against noise and geometrical transformations, such as rotation and uniform scaling. The method is suitable for skeletonizing high-resolution images where it can be impractical to use other skeletonization techniques, such as thinning and distance transforms, because of the high computational complexity.
Ju Jia Zou, "Efficient skeletonization based on generalized discrete local symmetries," Optical Engineering 45(7), 077205 (1 July 2006). https://doi.org/10.1117/1.2227363
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