TABLE II.
(a) Comparison of SNU, CDR and CDR increase ratio on the uncorrected image and the corrected images using different Deff values. (b) Comparison of SNU, CDR, and CDR increase ratio on the uncorrected image and the corrected images using different Leff values.
| (a) | ||||||||
|---|---|---|---|---|---|---|---|---|
| Correction with different Deff values | ||||||||
| No correction | 6 cm | 10 cm | 12 cm | 14 cm | 16 cm | 18 cm | 22 cm | |
| SNU (%) | 6.30 | 4.25 | 2.26 | 1.77 | 1.79 | 2.07 | 2.58 | 7.40 |
| CDR | 5.36 | 5.70 | 5.94 | 5.81 | 5.95 | 5.76 | 5.69 | 4.92 |
| CDR increase ratio | 1.00 | 1.06 | 1.11 | 1.08 | 1.11 | 1.08 | 1.06 | 0.92 |
| (b) | ||||
|---|---|---|---|---|
| Correction with different Leff values | ||||
| No correction | 0.50Deff | 0.75Deff | 1.00Deff | |
| SNU (%) | 6.302 | 1.806 | 1.789 | 2.408 |
| CDR | 5.358 | 5.598 | 5.937 | 5.942 |
| CDR increase ratio | 1.000 | 1.045 | 1.108 | 1.109 |