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. Author manuscript; available in PMC: 2010 Mar 1.
Published in final edited form as: Acad Radiol. 2009 Mar;16(3):363–373. doi: 10.1016/j.acra.2008.09.003

Figure 6.

Figure 6

Typical PSRR recontruction results in the sheep lung perfusion studies at slice 11 and phase 6 of Normal-Dose II and Low-Dose II. The first row reconstructed from the quater-scan Normal-Dose II with simulated noise, the second row from Low-Dose II with 89.1% dose reduction, and the third row from the quater-scan Low-Dose II 93.5% dose reduction. The first column lists normal dose previous scan images as prior informatin, the second column reconstructed low dose images, and the third column images reconstructed by our PSRR method. For comparison, the fourth column was reconstructed from the full Normal-Dose II Scan.