Stable and Robust Geometric Self-Calibration for Cone-Beam CT Using Mutual Information

Abstract

We present a novel geometric calibration method for cone beam computed tomography, which is based on an iterative multiresolution 2-D-3-D image registration framework. Our technique does not require a dedicated calibration phantom or any other specific markers inside the scanned object, so that the geometric parameters can be computed online from the… (More)

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