Image processing method for thinning lines using index values
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United States of America Patent
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Apr 15, 1997
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N/A
app pub date -
Jan 8, 1993
filing date -
Dec 30, 1988
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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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