Patent ID: 8244016

Claim:
A method of producing an image of a subject that is positioned within a field-of-view of an x-ray imaging system, the steps comprising: a) acquiring, with the x-ray imaging system, a plurality of projection views of the subject, wherein each projection view has a raysum value indicative of a physical attribute of the subject along a particular ray path; b) determining the ray path of each projection view that passes through a selected voxel in the field-of-view; c) producing backprojected values using the raysum values for each ray path determined in step b), wherein: i) the backprojected value is produced using the raysum value when the raysum value is below a preset threshold; and ii) the backprojected value is produced using a weighted raysum value when the raysum value is above the preset threshold; and d) reconstructing an image of the subject from the backprojected values produced in step c).