Table 1.
CNRs and SRRs for the 4D-CBCT images of the NCAT phantom and the patient case obtained using various algorithms.
| Algorithm | NCAT | Patient | |
|---|---|---|---|
| CNR | FDK | 6.8149 | 3.6959 |
| TNLM-R | 21.3043 | 9.4593 | |
| TNLM-E | 22.7081 | 10.1515 | |
| SRR (%) | TNLM-E | 85.09 | 88.27 |
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