| 摘要 |
The present invention provides an image correction device for obtaining a correction value against noise caused by variation in sensitivity of an image-capturing sensor, without requiring a mechanical structure for that purpose in an image-capturing device. This image correction device is provided with a correcti on value calculation means for calculating and then outputting a correction value corresponding to an offset assumed to be a "high frequency component coexi sting in a plurality of input images," the calculation being made on the basis of the plurality of input images, each of said images having a noise image cor responding to variation in sensitivity of a plurality of image-capturing sensors superposed on an image of a subject to be imaged corresponding to radiation from the subject to be imaged. |
