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Grey-skeletonization by four directional parallel operations

Arcelli C.

Image Processing & Communications

1998

Vol. 4, no 3-4

3-11

Reduction operations iteratively applied to gray-tone pictures can be used to build the skeleton representation. We regard the grey-tone picture as a mountainous relief and find the skeleton as a set of line patterns running centrally along the regions with locally higher intensity. Skeletonization is accomplished by parallel reduction operations based on a nonridge point tekst, and a new four subiteration parallel algorithm is described which is more efficient than a standard algorithm using the operations based on the notion of point simplicity. A comparison of the performances of the two algorithms is included.