Skip to main content
. Author manuscript; available in PMC: 2011 Jun 21.
Published in final edited form as: Phys Med Biol. 2010 May 28;55(12):3535–3544. doi: 10.1088/0031-9155/55/12/017

Table 1.

The percent error and standard deviation of error in organ activity estimates calculated from 20 sets of random perturbed VOIs

Methods \ Organs Liver Left Kidney
Random QSPECT −0.33±0.05 % −1.24±0.38 %
QPlanar 0.27±0.13 % 0.42±0.06 %
Dilation QSPECT 2.06±0.05 % 5.27±0.15 %
QPlanar −0.50±0.09 % 0.08±0.04 %
Erosion QSPECT −2.85±0.06 % −7.52±0.19 %
QPlanar 0.80±0.09 % 0.76±0.04 %