Patent ID: 6911988

Claim:
An apparatus for processing an image of an object, comprising: radiation generation means for generating X-rays; a two-dimensional X-ray sensor for obtaining X-rays generated by said radiation generation means and transmitted through the object, as an image; calculation means for calculating, from the image obtained by said two-dimensional X-ray sensor, a feature amount to be used to discriminate which of plural categories the object belongs to; first input means for inputting the plural categories corresponding to the object; discrimination means for discriminating the category of the object based on the feature amount calculated by said calculation means; second input means for inputting a correction signal or an approval signal, corresponding to the category of the object; and determination means for determining the category of the object based on the category discriminated by said discrimination means and the signal input using said second input means, wherein, when the plural categories are input by said first input means, said discrimination means discriminates the category of the object from among the plural categories, and wherein said determination means determines, as the category of the object, the category discriminated by said discrimination means when the approval signal is input, and determines, as the category of the object, the category corresponding to the correction signal when the correction signal is input.