Patent ID: 7142705

Claim:
An apparatus for processing a radiation image of an object obtained by radiography using a grid which is used to remove scattered radiation from the object, to remove image components due to the grid, comprising: generation means for generating the image components due to the grid on the basis of a predetermined radiation image; and removal means for executing a removal process of the image components for a plurality of radiation images on the basis of the image components of said predetermined radiation image obtained by said generation means, wherein said generation means comprises analysis means for analyzing the predetermined radiation image to obtain a spatial frequency and an angle of a periodic pattern that the image components form; wherein said generation means farther comprises: extraction means for extracting predetermined components containing the image components from the predetermined radiation image on the basis of an analysis result of said analysis means; and processing means for processing the predetermined components obtained by said extraction means to obtain the image components; wherein said removal means removes the image components obtained by said processing means from the plurality of radiation images.