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Sample Computation Times for the Tof Reconstruction and Sensitivity Matrix Generation
| TOF reconstruction | Counts | 300 ps | 600 ps | Sensitivity matrix generation |
|---|---|---|---|---|
| List-Mode TOF | 20M 40M |
6 min/it 12 min/it |
11 min/it 22 min/it |
Space-based approach (full LOR space) ≈1* hour |
| DIRECT (40 × 3 views) |
any count level |
1.4* min/it |
Fourier-based approach (DIRECT geometry) ≈1* min |
|
(Image size 144×144×62, 2-GHz Mac G5, single processor
non-optimized and using generic FFT routines.)
