Patent ID: 8503745
Filing Date: 2013-08-06
Classification: A61B,G06T

Abstract:
1. A method to register a subject space defined by a subject to an image space, comprising: attaching an imageable fiducial assembly to the subject; acquiring (i) a plurality of two-dimensional x-ray projection image data of the subject with an imaging device of an imaging system, and (ii) selected parameters of the imaging system for each of the plurality of two-dimensional x-ray projection image data; generating a three-dimensional reconstruction of at least a portion of the subject based on at least a portion of the acquired plurality of two-dimensional x-ray projection image data; determining a number of identifiable portions of the imageable fiducial assembly in the three-dimensional reconstruction; and in response to the number of identifiable portions of the imageable fiducial assembly being less than a predetermined number,