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. Author manuscript; available in PMC: 2023 Aug 9.
Published in final edited form as: Phys Med Biol. 2022 May 26;67(11):10.1088/1361-6560/ac6ebc. doi: 10.1088/1361-6560/ac6ebc

Table B4.

MAPE comparisons of RSP between the reference and DECT parametric mapping models for a thoracic site with five tissue surrogates using a TBDE thorax scan.

M701 Lung Breast Soft Tissue Spinal Cord Bone
Empirical Model 7.0 ± 5.8 - 3.2 ± 2.5 5.8 ± 3.8 8.7 ± 4.1

Conventional ANN 12.3 ± 7.3 - 1.4 ± 1.4 2.7 ± 1.2 8.5 ± 1.8
FCNN 1.4 ± 1.7 - 2.0 ± 1.2 3.0 ± 0.8 5.9 ± 1.1
DFCNN 2.3 ± 1.5 - 2.2 ± 1.1 3.2 ± 0.7 5.9 ± 1.4
RN-v1 0.9 ± 1.6 - 2.3 ± 1.2 2.8 ± 1.3 4.8 ± 1.0
RN-v2 1.2 ± 1.5 - 2.3 ± 1.2 3.0 ± 0.7 4.8 ± 1.1
DRN-v2 1.6 ± 1.9 - 2.6 ± 2.0 6.0 ± 2.9 6.2 ± 1.8

Physics-informed ANN 12.2 ± 7.3 - 1.4 ± 1.2 3.5 ± 1.3 7.7 ± 1.9
FCNN 1.9 ± 1.5 - 2.1 ± 1.1 3.3 ± 0.6 5.3 ± 1.0
DFCNN 1.9 ± 1.6 - 2.1 ± 1.1 3.1 ± 0.7 5.7 ± 1.2
RN-v1 1.2 ± 1.7 - 2.2 ± 1.1 3.1 ± 0.7 5.2 ± 1.0
RN-v2 1.2 ± 1.7 - 2.2 ± 1.1 2.9 ± 0.8 5.0 ± 1.0
DRN-v2 0.8 ± 1.7 - 2.3 ± 1.1 3.2 ± 0.8 4.9 ± 1.3

M702 Lung Breast Soft Tissue Spinal Cord Bone

Empirical Model 6.7 ± 5.5 2.7 ± 1.9 2.7 ± 2.2 5.3 ± 3.1 8.0 ± 6.4

Conventional ANN 11.4 ± 6.6 1.1 ± 0.9 1.2 ± 1.1 2.5 ± 1.0 8.2 ± 1.5
FCNN 1.4 ± 0.8 0.8 ± 0.8 1.9 ± 0.9 3.2 ± 0.6 6.0 ± 0.9
DFCNN 2.3 ± 0.4 0.8 ± 0.7 2.1 ± 0.6 3.3 ± 0.5 6.0 ± 1.1
RN-v1 0.9 ± 0.7 1.0 ± 0.9 2.3 ± 0.8 3.0 ± 1.1 4.7 ± 1.0
RN-v2 1.2 ± 0.7 0.9 ± 0.8 2.3 ± 0.7 3.2 ± 0.5 4.8 ± 1.0
DRN-v2 1.5 ± 0.9 1.3 ± 1.2 2.3 ± 1.7 5.8 ± 2.3 6.0 ± 1.6

Physics-informed ANN 11.2 ± 6.5 1.4 ± 1.0 1.2 ± 0.9 3.5 ± 1.0 7.5 ± 1.6
FCNN 1.9 ± 0.5 0.9 ± 0.8 2.1 ± 0.7 3.3 ± 0.4 5.4 ± 0.8
DFCNN 1.9 ± 0.5 0.8 ± 0.8 2.1 ± 0.7 3.2 ± 0.5 5.8 ± 0.9
RN-v1 1.2 ± 0.8 0.9 ± 0.8 2.2 ± 0.7 3.3 ± 0.4 5.2 ± 0.9
RN-v2 1.2 ± 0.7 0.9 ± 0.8 2.2 ± 0.7 3.1 ± 0.5 5.0 ± 0.9
DRN-v2 0.8 ± 0.7 0.9 ± 0.8 2.2 ± 0.7 3.4 ± 0.5 5.0 ± 1.1