Radiation imaging apparatus, radiation image processing apparatus, and image processing method
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United States of America Patent
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Jul 14, 2015
Grant Date -
Dec 12, 2013
app pub date -
May 16, 2013
filing date -
Jun 11, 2012
priority date (Note) -
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Abstract
Provided is a technique to improve both the image quality of a radiation image and the operability of a radiation imaging apparatus. In the present invention, three or more unirradiated images are obtained before capturing a radiation image, and a temporal change in the amount of electric charges in each pixel is approximated using a non-linear function. At this time, the amount of residual electric charges is determined by evaluating a coefficient of determination of an approximate equation, and the most appropriate offset correction processing method is selected in accordance with the status of the determination.
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