Machine vision methods for identifying collinear sets of points from an image
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United States of America Patent
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Jun 13, 2000
Grant Date -
N/A
app pub date -
Mar 18, 1997
filing date -
Mar 18, 1997
priority date (Note) -
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Abstract
The invention provides a two-phase method for identifying sets of collinear points in data points, e.g., derived from an image. During a first phase, the 'angle-finding' phase, the angular orientation of the lines defined by the sets of points is estimated. During a second phase, the 'line-finding' phase, sets of collinear points aligned at that angle are identified. The invention has application, for example, in finding parallel and perpendicular point sets in an image.
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