TABLE I.
Summary of the Simulation Setup for Three Multiplexing Schemes
| Phantom | No. of pinholes | ROR (cm) | Collimator (cm) | % of multiplexing | Count level | Detector size | Note | |
|---|---|---|---|---|---|---|---|---|
| Scheme (1) | MOBY | 4 | 4.8 | 7 | 0, 22.7, 34, 44.2 | 1M, 4M | 12cm×l2cm | Same magnification and detection efficiency |
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| Hot sphere | ||||||||
| Scheme (2) | MOBY | 4 | 3 | 5,7,8,10 | 0,24,41,61 | 0.25M, 1M, 4M | 12cm×l2cm | Same detection efficiency with changed magnification |
| Scheme (3) | MOBY | 1,5,7,9,13 | 2.5*/3.5 | 14 | 0,4,7,10,25,60 | Same acq. time | 40cm×40cm | Same magnification with changed detection efficiency |
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| 1,4,5,7,9 | 7 | 0,11,28,40,50,3 | 12cm×12cm | |||||
*
2.5cm for single pinhole imaging geometry only