Patent ID: 7646900

Claim:
A device for generating a three-dimensional model of a spatial structure comprising: an imaging unit for generating two-dimensional projection images of the spatial structure from various directions; a display unit that is coupled to the imaging unit for displaying one of the projection images as a reference image, in which connection the display unit comprises input means in order to make possible the interactive specification of at least one image point in a segment of the spatial structure as a reference point; a data processing device that is coupled to the imaging unit and the display unit and is designed to reconstruct a space point corresponding to the reference point of the structure from further projection images produced from other directions using the image-processing unit, wherein the space point is reconstructed by evaluating other image points of the further projection images that lie on a respective epipolar line of the reference point, wherein gray scale values corresponding to the other image points are projected on a projection line of the reference point and added to form a sum profile having constructive superimposition of the gray values of multiple epipolar lines and averaging out the contributions of other vascular segments, thereby determining a space point of a vascular segment and wherein said space point is defined as that position on the projection line of the reference point at which the sum profile assumes an extreme.