Method of correcting a radiation image for defects in the recording member
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United States of America Patent
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Nov 3, 1998
Grant Date -
N/A
app pub date -
Aug 6, 1997
filing date -
Aug 8, 1996
priority date (Note) -
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Abstract
Method of correcting a radiation image for defects in the recording member. Defects in a member for recording a radiation image are corrected by generating a calibration matrix comprising for each pixel a correction value and by applying corresponding elements of the calibration matrix to the pixels of a recorded image. The values of the calibration matrix represent in each pixel the deviation of the value that is effectively obtained in a pixel when the recording member is subjected to a flat field exposure and the value that would be expected in the pixel. Different methods are described for determining the expected value in a pixel. Further, an overlay image is generated wherein local defects are visualised.
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