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. Author manuscript; available in PMC: 2021 May 1.
Published in final edited form as: Phys Med. 2020 Apr 28;73:117–124. doi: 10.1016/j.ejmp.2020.04.020

Figure 2.

Figure 2.

Image reconstruction of the same sample case in figure 1 using different methods. The full reconstruction FOV is 280 mm and the voxel size is 0.2734 mm. (a) The reference; FDK method using full FOV reconstruction FOV and zoom in. (b) ASD-POCS method as implemented in TIGRE toolbox using full FOV reconstruction and zoom in. Red arrows indicate the interference-like artifacts. (c) ASD-POCS as implemented in TIGRE toolbox with finer image-grid using quarter in-plane voxel size and quarter reconstruction FOV (69.99 mm) followed by down-sampling. The display range is [0.20 0.40] cm−1.