Registration procedure in the case of projective the intraoperative 3d - imaging

摘要

Registration procedure in the case of projective the intraoperative 3 - d - imaging for imaging of the 3 - d - patient co-ordinate system, on the 3 - d - image co-ordinate system, with the use of which is fastened on the patient marker points with fixed positions relative to the body part to be displayed, whose position by means of the instruments to be inserted into the image is detected, wherein the marker points, at least partially outside of the reconstructable 3 - d - volume are arranged, and wherein the markers in at least two 2 - d - projection images, from which the 3 - d - image is calculated, and with the aid of the to the respective 2 - d - projection images calculated projection matrices, for the reconstruction of the 3 - d - volume set have been determined, back-projected and in relation to the marker coordinates are brought in a patient coordinate system.