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. Author manuscript; available in PMC: 2015 Jul 1.
Published in final edited form as: J Comput Assist Tomogr. 2014 Jul-Aug;38(4):526–534. doi: 10.1097/RCT.0000000000000053

FIGURE 1. Schematic of overall study evaluating effects of acquisition duration and pre-enhancement setpoints.

FIGURE 1

First row: Reference dataset: Phase 1, combined with 8 anatomically registered Phase 2 images. T1, pre-enhancement setpoint; T2, last first phase setpoint; T3, last second phase (“post-enhancement”) setpoint.

Second row: Reduction in acquisition duration affecting Phase 2 (T3).

Third row: Reduction in acquisition duration, T2=30s.

Fourth row: Reduction in acquisition duration affecting Phase 1 (T2).

Fifth row: Displacement of pre-enhancement setpoint: T1 displacement backwards in increments (−0.5s, −1.0s, −2.0s). Analyses of 2nd, 3rd and 4th rows were repeated.

Sixth row: Displacement of pre-enhancement setpoint: T1 displacement forwards in increments (+0.5s, +1.0s, +2.0s). Analyses of 2nd, 3rd and 4th rows were repeated.