Zhang-Suen thinning algorithm: Difference between revisions
Undo revision 169487 by Paddy3118 (talk)
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=={{header|Ruby}}==
First I define a function zs which given a point and its eight neighbours returns 1 if the point may be culled, 0 otherwise. g indicates if this is step 1 or step 2 in the task description. zs may be changed to remembers the step independently if the reader does not wish to explore the algorithm.
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