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. Author manuscript; available in PMC: 2020 Jun 1.
Published in final edited form as: Proc SPIE Int Soc Opt Eng. 2019 May 28;11072:1107213. doi: 10.1117/12.2534725

Fig.1.

Fig.1.

(A) Extremity CBCT system with an axial multi-source x-ray unit. System geometry and source firing sequence for a single-scan DE acquisition is shown. (B) Digital multi-material phantom (axial and coronal view) used in validation studies. The phantom consisted of an outer water container with an inner insert containing water-Ca mixtures of varying Ca concentration. (C) The placement of metal implants (top: plate, bottom: intramedullary nail) with respect to the inner insert of the phantom.