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. Author manuscript; available in PMC: 2023 May 17.
Published in final edited form as: IEEE Trans Radiat Plasma Med Sci. 2022 May 23;7(1):62–74. doi: 10.1109/trpms.2022.3175435

TABLE II.

Ensemble NRMSE of Estimated Regional Uptake With the Data Acquired in the VCT Using the Proposed LC-QSPECT Method and the LC-QSPECT Method That Did Not Compensate for Stray-Radiation-Related Noise

Ensemble normalized root mean square error (NRMSE) (%)

VOI Lesion Gut Bone Background
Proposed LC-QSPECT method
(compensated for stray-radiation-related noise)
14.72 0.30 4.98 0.69
LC-QSPECT method without
compensating for stray-radiation-related noise
187.49 1.11 29.16 28.26