Measuring apparatus and method for range inspection
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United States of America Patent
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Oct 16, 2012
Grant Date -
Aug 28, 2008
app pub date -
Jun 13, 2005
filing date -
Jul 1, 2004
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Abstract
The present invention relates to an imaging apparatus and method for measuring the three-dimensional characteristics of an object using range data acquisition and analysis. The imaging apparatus comprises: means for configuring the range data acquisition and analysis before starting the measuring; means for creating an image of the object by detecting reflected light from the object using at least one sensor comprising pixels; means for acquiring range data of the object from the created image measured in sensor pixel units; means for calibrating the acquired range data from sensor pixel values to world-coordinates; means for rectifying the calibrated range data by re-sampling the range data onto a uniformly spaced grid; and, means for analyzing the calibrated and rectified range data in order to obtain the three-dimensional characteristics of the object.
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