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AssigneeGE Medical Systems Global Technology Company, LLC
InventorsAkihiko Nishide, Masatake Nukui
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The present invention provides an X-ray dose compensation method for X-ray dose compensation of the detector signals from a multiple array detector with improved SNR, used for the detector signal detected by using the multiple array detector in which a plurality of X-ray detector channels placed in one dimensional array in the channel direction is stacked in a plurality of rows in the row direction to form X-ray detector channels of two dimensional matrix. A plurality of specific X-ray detector channels in the multiple array detector or X-ray planar detector or X-ray image intensifier are used as the X-ray dose reference channels for the X-ray dose compensation by means of signal sum or mean of detector signals from those X-ray dose reference channels.
An X-ray dose compensation method, for compensating for the detection signal detected by using a multiple array detector or an X-ray planar detector or an X-ray image intensifier in which a plurality of X-ray detection channels arranged in the channel direction is arranged in a plurality of rows in the row direction and the X-ray detection channels are located in a form of matrix, said method comprises the step of:
An X-ray CT apparatus, wherein X-ray dose is compensated for the detection signal of a plurality of views detected by using a multiple array detector or an X-ray planar detector or an X-ray image intensifier, in which a plurality of X-ray detection channels arranged in the channel direction is arranged in a plurality of rows in the row direction and the X-ray detection channels are located in a form of matrix, said X-ray CT apparatus performing image reconstruction based on the signals after compensation, said apparatus comprising:
Dependencies are inferred from the claim text.