Volumetric Diffuse Optical Tomography for Small Animals Using a CCD-Camera-Based Imaging System

Table 2

Summary of the CNR, PE, and CPU time for different numbers of sources.

	Setup I (absorber at center)				Setup II (absorber on side)
Numbers of source	4	8	12	16	4	8	12	16
CNR	4.27	5.66	5.67	5.83	1.24	4.42	4.51	4.58
PE (cm)	0.41	0.20	0.20	0.20	0.88	0.35	0.32	0.32
CPU time (sec)	27.1	102.1	209.4	289.2	27.1	102.1	209.4	289.2