Extracting Shape Primitives from Skeleton
نویسندگان
چکیده
The paper discusses how the set of shape primitives to be used for decomposing a shape into meaningful parts may affect the performance of the decomposition method, and proposes a new set of shape primitives to be used when the input shape is represented by its skeleton. The suggested shape primitives comhine the qualitative, general notion of shape needed to cope with the large variability of objects one would like to describe in terms of the same shape, with the unique, computable definition required by shape recognition algorithms. Their definition is given in a contextdependent way, without using any threshold to distinguish among them. The results provided by a decomposition algorithm based on criteria combining both local and global information on the shpe of the figure at hand are very natural with respect to both the number and the description of the primitives forming the input shape.
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