Methods and apparatuses for refining groupings of edge points that represent a contour in an image
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United States of America Patent
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May 31, 2005
Grant Date -
N/A
app pub date -
Nov 24, 1999
filing date -
Apr 30, 1999
priority date (Note) -
Expired
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Abstract
Methods and apparatuses are disclosed for refining groupings of edge points that represent contours in an image. The methods and apparatuses decrease data dispersion and data quantization effects. The methods and apparatuses are particularly useful for accurate and robust detection of straight line-segment features contained in noisy, cluttered imagery occurring in industrial machine vision applications. Additionally, a measurement criterion of the quality of the detected line segments is introduced.
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