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An Algorithm for Calculating Perimeter Length
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Abstract
The present paper proposes an algorithm for calculating accurately
the perimeter length of a picture. The outline of the algorithm is as
follows: for each cell or picture element (i,j) on the perimeter, a
coefficient which corresponds to the minute perimeter length at the
cell is assigned as a function of the situation of neighbor cells
(i,j-l), (i-l,j) and (i-l,j-l), and the number of same situation connected
along the perimeter.
Then, the total perimeter length can be given as the sum of these coefficientso
According to this methods, approximation accurate to 002
percent could be obtained in the blob patterns