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. Author manuscript; available in PMC: 2020 Dec 1.
Published in final edited form as: IEEE Trans Med Imaging. 2020 Nov 30;39(12):3879–3890. doi: 10.1109/TMI.2020.3006461

Fig. 4.

Fig. 4.

Scans of the CTP phantom. (a) and (b) contains the full dose (200 mAs), low dose (120 mAs and 60 mAs), and 4 KWIA reconstruction results. An ROI was enlarged to emphasize SNR change. And subtraction images (window level and window center were adjusted for visual observation) were made to show the structural change.