Patent ID: 7433448

Claim:
A method for correcting pixels of an x-ray image data set, comprising the steps of: acquiring a current x-ray exposure of an examination subject with an x-ray apparatus using a reusable storage plate as an x-ray detector, said storage plate comprising a storage luminophore layer having a sensitivity that changes dependent on an accumulated x-ray dose to which said storage luminophore has been exposed in said current x-ray exposure and in said x-ray exposures using said storage plate preceding said current exposure; reading out said storage plate with a readout device after acquiring x-ray exposure; from the readout of said storage plate, generating an x-ray image data set corresponding to said x-ray exposure, said x-ray image data set comprising a plurality of data set pixels respectively corresponding to pixels of said current x-ray exposure; and correcting each of said data set pixels with a correction value associated with the pixel corresponding thereto in the current x-ray exposure, by adapting each correction value dependent on accumulated x-ray dosage to which a portion of the storage plate containing the pixel corresponding to the data set pixel was exposed in said current x-ray exposure and in said x-ray exposures using said storage plate preceding said current exposure.