Abstract

The total variation (TV) minimization image reconstruction algorithm for inverting the divergent-beam x-ray transform is applied to image reconstruction in circular cone-beam computed tomography (CT). Reconstructions for the disk phantom are shown and compared with that of projection onto convex sets (POCS). The preliminary results appear to show that TV-minimization yields accurate image reconstructions that are robust against data inconsistencies due to noise or mismatch in the system matrix.

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