A Finite Element Mesh Aggregating Approach to Multiple-Source Reconstruction in Bioluminescence Tomography

Table 2

Reconstruction results in double-source case.

Case	Power ratio	Reconstruction method	Reconstructed center and location error (mm)				Reconstructed power (nW)
			𝑆^𝑅1		𝑆^𝑅2		𝑆^𝑅1	𝑆^𝑅2
I	1 : 1	Tikhonov + GTS	−8.95, 2.13, 14.83	1.39	−8.98,−3.57,14.73	0.28	0.65	0.28
		Tikhonov + MSDS	−8.85, 3.59, 15.14	0.22	−8.98,−3.57,14.73	0.28	0.35	0.28
		l1–ls + GTS	−8.99, 2.92, 14.77	0.62	−8.98,−3.57,14.73	0.28	0.502	0.44
		l1–ls + MSDS	−8.85, 3.59, 15.14	0.22	−8.98,−3.57,14.73	0.28	0.41	0.44
II	2 : 1	Tikhonov + GTS	−9.03, 2.69, 14.65	0.88	−8.98,−3.57,14.73	0.28	0.48	0.15
		Tikhonov + MSDS	−8.85, 3.59, 15.14	0.22	−8.98,−3.57,14.73	0.28	0.37	0.14
		l1–ls + GTS	−8.98, 2.98, 14.81	0.56	−8.98,−3.57,14.73	0.28	0.51	0.22
		l1–ls + MSDS	−8.85, 3.59, 15.14	0.22	−8.98,−3.57,14.73	0.28	0.43	0.22
III	4 : 1	Tikhonov + GTS	−9.03, 2.72, 14.66	0.85	N/A	N/A	0.49	0
		Tikhonov + MSDS	−8.85, 3.59, 15.14	0.22	−8.98,−3.57,14.73	0.28	0.38	0.07
		l1–ls + GTS	−8.97, 3.00, 14.82	0.53	N/A	N/A	0.51	0
		l1–ls + MSDS	−8.85, 3.59, 15.14	0.22	−8.98, −3.57, 14.73	0.28	0.4339	0.10
IV	8 : 1	Tikhonov + GTS	−9.03, 2.73, 14.67	0.84	N/A	N/A	0.49	0
		Tikhonov + MSDS	−8.85, 3.59, 15.14	0.22	−8.98,−3.57,14.73	0.28	0.38	0.03
		l1–ls + GTS	−8.97, 3.02, 14.83	0.51	N/A	N/A	0.51	0
		l1–ls + MSDS	−8.85, 3.59, 15.14	0.22	−8.98,−3.57,14.73	0.28	0.43	0.04