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Completeness map of a circular cone-beam scan mode with planar detector W × H = 323.2 × 405.3 mm. Top left: in a display window [0, 1]; top right: in a display window [0, 1] but set the values smaller than 99% to 0; bottom: profiles along z-axis. The square boxes indicate the VOI, which is totally covered by the region with ≥99% completeness number.
