Method and system for identifying defects in radiographic image data corresponding to a scanned object
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United States of America Patent
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Aug 7, 2012
Grant Date -
Sep 24, 2009
app pub date -
Mar 21, 2008
filing date -
Mar 21, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method for identifying defects in radiographic image data corresponding to a scanned object is provided. The method includes acquiring radiographic image data corresponding to a scanned object. In one embodiment, the radiographic image data includes an inspection test image and a reference image corresponding to the scanned object. The method includes identifying one or more regions of interest in the reference image and aligning the inspection test image with the regions of interest identified in the reference image, to obtain a residual image. The method further includes identifying one or more defects in the inspection test image based upon the residual image and one or more defect probability values computed for one or more pixels in the residual image.
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