Table B3.

MAPE comparisons of mass densities 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		26.8 ± 0.0	-	3.1 ± 2.5	3.4 ± 2.6	7.8 ± 3.9
Conventional	ANN	11.4 ± 7.2	-	2.6 ± 1.8	1.5 ± 1.3	8.5 ± 2.1
	FCNN	1.1 ± 1.6	-	1.5 ± 1.7	0.8 ± 0.9	5.6 ± 1.3
	DFCNN	1.9 ± 1.5	-	1.4 ± 1.6	1.0 ± 1.0	5.6 ± 1.6
	RN-v1	0.7 ± 1.6	-	1.5 ± 1.9	1.7 ± 2.4	4.2 ± 1.2
	RN-v2	0.9 ± 1.5	-	1.4 ± 1.8	0.7 ± 0.8	4.3 ± 1.3
	DRN-v2	1.6 ± 1.8	-	2.5 ± 2.7	3.4 ± 2.4	6.3 ± 2.0
Physics-informed	ANN	10.6 ± 7.0	-	1.5 ± 1.5	1.4 ± 1.1	7.6 ± 2.1
	FCNN	1.6 ± 1.5	-	1.4 ± 1.6	0.9 ± 0.8	4.9 ± 1.1
	DFCNN	1.8 ± 1.6	-	1.4 ± 1.6	1.0 ± 1.0	5.4 ± 1.4
	RN-v1	1.0 ± 1.7	-	1.4 ± 1.6	0.7 ± 0.8	4.7 ± 1.2
	RN-v2	1.0 ± 1.6	-	1.3 ± 1.7	0.7 ± 0.9	4.6 ± 1.2
	DRN-v2	0.8 ± 1.8	-	1.4 ± 1.6	0.7 ± 0.8	4.8 ± 1.3
M702		Lung	Breast	Soft Tissue	Spinal Cord	Bone
Empirical Model		26.8 ± 0.0	3.4 ± 2.2	2.7 ± 2.2	2.5 ± 1.9	7.1 ± 6.9
Conventional	ANN	10.6 ± 6.5	2.5 ± 1.3	2.5 ± 1.4	1.2 ± 0.9	8.3 ± 1.8
	FCNN	1.2 ± 0.8	1.6 ± 0.8	1.2 ± 1.1	0.6 ± 0.6	5.6 ± 1.1
	DFCNN	1.9 ± 0.5	1.4 ± 0.8	1.1 ± 1.0	0.8 ± 0.6	5.7 ± 1.3
	RN-v1	0.7 ± 0.7	1.9 ± 1.1	1.3 ± 1.4	1.4 ± 2.2	4.2 ± 1.1
	RN-v2	0.9 ± 0.7	1.8 ± 1.0	1.3 ± 1.2	0.6 ± 0.5	4.3 ± 1.1
	DRN-v2	1.5 ± 0.8	2.5 ± 1.6	2.1 ± 2.2	2.9 ± 1.9	6.1 ± 1.9
Physics-informed	ANN	9.7 ± 6.2	1.2 ± 1.0	1.2 ± 1.0	1.1 ± 0.9	7.4 ± 1.8
	FCNN	1.6 ± 0.5	1.5 ± 0.8	1.2 ± 1.0	0.7 ± 0.5	4.9 ± 0.9
	DFCNN	1.7 ± 0.5	1.5 ± 0.8	1.2 ± 1.1	0.8 ± 0.7	5.4 ± 1.1
	RN-v1	1.0 ± 0.8	1.8 ± 1.0	1.2 ± 1.1	0.6 ± 0.4	4.8 ± 1.0
	RN-v2	1.0 ± 0.6	1.7 ± 0.9	1.2 ± 1.1	0.5 ± 0.5	4.6 ± 1.1
	DRN-v2	0.8 ± 0.7	1.6 ± 0.9	1.2 ± 1.1	0.6 ± 0.4	4.8 ± 1.1