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. 2016 Nov 23;45(8):20160228. doi: 10.1259/dmfr.20160228

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© 2016 The Authors. Published by the British Institute of Radiology

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Exemplary sagittal maximum intensity projection reconstructions with focus on the occipital artery at 100% radiation dose level in filtered back projection (FBP) (a) and reconstructed iteratively with Sinogram-affirmed iterative reconstruction (SAFIRE) 3 (b) and SAFIRE 5 (c). In addition, SAFIRE 3 and SAFIRE 5 iterative reconstructions are shown at their indecision points (IPs) of 38% (d) and 25% (e), respectively, as well as FBP and SAFIRE reconstructions at radiation dose levels of 10% (f–h).