TABLE 3.
Number of Concordant Features Across all Pairs for the Entire Dataset (All) and Across All Pairs from the Separate Scanning Dates (Date 1 and Date 2) for All Sequences With and Without Bias Field Correction, With A: No Further Preprocessing, B: 32‐bin Grayscale Discretization, C: 64‐bin Grayscale Discretization, D: z‐score normalization, E: z‐score Normalization +32‐bin grayscale discretization, and F: z‐Score Normalization +64‐bin Grayscale Discretization
| Sequences | Without BFC | With BFC | ||||
|---|---|---|---|---|---|---|
| All | Date 1 | Date 2 | All | Date 1 | Date 2 | |
| T1W | ||||||
| A | 15 | 32 | 40 | 8 | 13 | 11 |
| B | 13 | 19 | 45 | 10 | 11 | 30 |
| C | 14 | 18 | 48 | 8 | 12 | 31 |
| D | 4 | 4 | 10 | 4 | 9 | 12 |
| E | 7 | 10 | 35 | 10 | 13 | 34 |
| F | 8 | 9 | 38 | 8 | 14 | 35 |
| T2W | ||||||
| A | 11 | 31 | 16 | 0 | 1 | 60 |
| B | 7 | 9 | 12 | 2 | 3 | 22 |
| C | 7 | 9 | 11 | 1 | 3 | 23 |
| D | 26 | 35 | 44 | 26 | 39 | 37 |
| E | 4 | 7 | 7 | 6 | 11 | 17 |
| F | 4 | 7 | 6 | 5 | 11 | 18 |
| ADC | ||||||
| A | 8 | 28 | 22 | 8 | 9 | 12 |
| B | 7 | 15 | 13 | 6 | 9 | 12 |
| C | 6 | 11 | 11 | 6 | 11 | 11 |