Patent ID: 7760916

Claim:
A registration apparatus comprising: corresponding pixel detection means for detecting two or more than two pixels in an object of identification shown in a first image obtained by capturing an image of the object of identification at a site of a living body from a first position and corresponding two or more than two pixels, whichever appropriate, in the object of identification shown in a second image obtained by capturing an image of the object of identification from a second position different from the first position and located substantially on a plane including the first position; inclination detection means for detecting the extent of inclination of the site of the living body relative to a reference plane on the basis of the difference of each corresponding pair of pixels; correction means for correcting the distortion of the first image or the second image according to the extent of inclination; and registration means for registering the object of identification shown in the first image or the second image corrected for the distortion in a recording medium.