Image processing method for thinning lines using index values

Details Image processing method for thinning lines using index values Image processing method for thinning lines using index values

1993-01-08

1997-04-15

Boudreau, Leo

Image analysis

Image enhancement or restoration

Object boundary expansion or contraction

382109, G06K 944

Patent

active

056218230

ABSTRACT:
An image processing method for thinning lines converts pixels having a density of a configuration to a background density. Pixels are converted according to conditions which include densities of pixels in a neighborhood around a pixel to be processed. Pixels to be converted to the background density are first converted to an index value. Subsequent pixels are evaluated using the index values of adjacent, previously evaluated pixels. Index values are then converted to the background density.

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E.S. Deutsch, Thinning Algorithms on Rectangular, Hexagonal, and Triangular Arrays, Communications of the ACM, Scientific Applications, Sep. 1972, vol. 15, No. 9.

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