A Method to Improve Electron Density Measurement of Cone-Beam CT Using Dual Energy Technique
CBCT images of the CIRS phantom: (a) 70 kVp, (b) 120 kVp, and (c) dual energy imaging. (d) Profiles through the horizontal axis of (a), (b), and (c) and the theoretical curves. (e) Electron densities obtained by conventional and dual energy method.
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