Position recognition method
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United States of America Patent
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Jul 7, 1998
Issued Date -
N/A
app pub date -
Oct 17, 1997
filing date -
Dec 24, 1993
priority date (Note) -
Expired
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Abstract
A position recognition method wherein the photographic image of an object having a concavity or convexity defined therein is converted into specified feature space data; detection is performed to determine whether the specified feature space data possessed by each elementary area of the converted image has a symmetric relation with one possessed by another elementary area with a virtual center of the concavity or convexity being the center of symmetry; and the position of the concavity or convexity of the object is recognized based on the detection.
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