METHOD FOR RECONSTRUCTING THE THREE-DIMENSIONAL IMAGE OF AN OBJECT, IN PARTICULAR A THREE-DIMENSIONAL ANGIOGRAPHIC IMAGE

摘要

The method consists in the following steps: after calibration of the apparatus working out a volume containing the object and broken down into voxels (Vi) with their spatial co-ordinates located in a selected so-called calibration reference frame. Applying on each acquired projected image (IAi) a pre-treatment (32) so as to work out a rectified image (IRi) with a predetermined spatial orientation and selected according to a specific axis selected (Ax) from the calibration reference frame, and applying an iterative algorithm for algebraic image reconstruction between each rectified image (IRi) and the set of voxels (Vi) processing successively the voxels in a predetermined order linked with said specific axis, which reduces to a minimum the duration of the three-dimensional image reconstruction.