EJNMMI Physics

Table 3 Material composition in weight fraction and density \([g/\text {cm}^{3}]\) of testing dataset

From: A machine learning-based model for a dose point kernel calculation

Material	H	C	N	O	Na	Mg	P	S	Cl	Ar	K	Ca	Density
Air		0.0001	0.755	0.231						0.012			0.0012
Lung	0.101	0.102	0.028	0.757	0.001	0.0007	0.0008	0.002	0.002		0.001	0.00009	1.05
Soft Tissue	0.104	0.232	0.024	0.630	0.001	0.0001	0.001	0.002	0.001		0.002	0.0002	1.00
Cortical Bone	0.047	0.144	0.042	0.446		0.002	0.105	0.003				0.209	1.85

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