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. Author manuscript; available in PMC: 2012 Oct 7.
Published in final edited form as: Phys Med Biol. 2011 Sep 9;56(19):6337–6357. doi: 10.1088/0031-9155/56/19/012

Table 3.

Standard deviations of the selected sub-region of the Shepp–Logan phantom (unit: 10−3)

Scanning mode 7 sources 11 sources
full-scan half-scan one-third-scan full-scan half-scan one-third-scan
Noise-free datasets FBP 10.75 8.97 10.0 10.98 8.76 7.95
TVM-SD 4.28 2.58 3.82 3.11 2.64 2.70
TDM-STF 1.48 1.99 3.25 1.64 1.94 2.16
Noisy datasets FBP 404.32 397.86 403.23 387.39 391.13 373.54
TVM-SD 81.45 90.10 115.94 55.56 87.58 69.78
TDM-STF 44.72 44.66 49.30 31.89 42.91 33.64