Method and apparatus for calibrating circular objects using a computer tracking system
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United States of America Patent
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Nov 27, 2007
Grant Date -
Nov 23, 2006
app pub date -
May 17, 2006
filing date -
May 20, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method of calibrating a circular portion of an object, such as to determine the center point of the object, is provided. The method includes determining spatial coordinates of at least two points on a circumferential edge of the circular portion of the object, and calculating the center point of the circular portion using the spatial coordinates of the two points and a geometric parameter representative of the diameter of the circular portion. A calibration device and system are also provided for use with a computer tracking system in order to calibrate such an object having a circular portion.
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