Method for recognizing concavities in an image subject to character recognition
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United States of America Patent
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Oct 27, 1992
Issued Date -
N/A
app pub date -
Oct 29, 1991
filing date -
May 12, 1988
priority date (Note) -
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Abstract
An image processing method for finding concavity of a configuration comprising steps; arranging boundary pixels of the configuration according to chain order with indicating top points on convex hull of the configuration; and determining that a concavity is defined by the boundary pixels when a boundary pixel of a chain code is found, which chain code indicates a concavity.
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