Table 4.
Summary of Jaccard indices of (A) adipose and (B) dense tissue segmentation categorized by d and models. Negative values of d represent the bottom portion of the phantom in the DBT reconstructions closer to the simulated breast support.
| … | … | (A) Jaccard of Adipose Tissue (Model), Mean ± SD |
(B) Jaccard of Dense Tissue (Model), Mean ± SD |
||||||
|---|---|---|---|---|---|---|---|---|---|
| d (mm) | Slices (#) | I1 | I1&2 | II1&2 | III1&2 | I1 | I1&2 | II1&2 | III1&2 |
| −37.30 | 2751 | 0.91 ± 0.06 | 0.92 ± 0.06 | 0.94 ± 0.06 | 0.98 ± 0.05 | 0.69 ± 0.22 | 0.72 ± 0.22 | 0.66 ± 0.22 | 0.90 ± 0.17 |
| −22.40 | 2720 | 0.91 ± 0.08 | 0.91 ± 0.08 | 0.93 ± 0.06 | 0.97 ± 0.03 | 0.74 ± 0.13 | 0.76 ± 0.13 | 0.72 ± 0.16 | 0.92 ± 0.06 |
| −16.45 | 2725 | 0.91 ± 0.06 | 0.92 ± 0.06 | 0.93 ± 0.05 | 0.98 ± 0.02 | 0.76 ± 0.10 | 0.78 ± 0.10 | 0.75 ± 0.10 | 0.94 ± 0.04 |
| −11.00 | 2750 | 0.92 ± 0.06 | 0.92 ± 0.05 | 0.93 ± 0.05 | 0.98 ± 0.02 | 0.76 ± 0.09 | 0.78 ± 0.08 | 0.76 ± 0.08 | 0.94 ± 0.04 |
| −5.50 | 2725 | 0.92 ± 0.05 | 0.92 ± 0.05 | 0.93 ± 0.05 | 0.98 ± 0.03 | 0.76 ± 0.08 | 0.77 ± 0.08 | 0.75 ± 0.08 | 0.93 ± 0.03 |
| −0.05 | 2725 | 0.93 ± 0.04 | 0.93 ± 0.04 | 0.93 ± 0.04 | 0.98 ± 0.04 | 0.74 ± 0.10 | 0.77 ± 0.09 | 0.74 ± 0.10 | 0.93 ± 0.04 |
| 5.40 | 2750 | 0.93 ± 0.04 | 0.94 ± 0.04 | 0.94 ± 0.04 | 0.98 ± 0.03 | 0.75 ± 0.11 | 0.77 ± 0.10 | 0.74 ± 0.10 | 0.93 ± 0.04 |
| 10.90 | 2725 | 0.93 ± 0.06 | 0.94 ± 0.05 | 0.94 ± 0.05 | 0.98 ± 0.04 | 0.76 ± 0.11 | 0.78 ± 0.10 | 0.75 ± 0.11 | 0.94 ± 0.04 |
| 16.35 | 2737 | 0.92 ± 0.08 | 0.93 ± 0.07 | 0.93 ± 0.07 | 0.98 ± 0.03 | 0.73 ± 0.15 | 0.76 ± 0.13 | 0.71 ± 0.16 | 0.94 ± 0.04 |
| 22.30 | 2684 | 0.89 ± 0.07 | 0.90 ± 0.08 | 0.93 ± 0.08 | 0.97 ± 0.07 | 0.64 ± 0.24 | 0.67 ± 0.24 | 0.64 ± 0.23 | 0.86 ± 0.25 |
| Slice Average 95% CI (low, high) |
0.92 ±0.06 (0.915, 0.917) |
0.92 ± 0.06 (0.923, 0.924) |
0.93 ± 0.06 (0.931, 0.932) |
0.98 ± 0.04 (0.977, 0.978) |
0.73 ± 0.15 (0.731, 0.735) |
0.76 ± 0.14 (0.755, 0.759) |
0.72 ± 0.15 (0.719, 0.723) |
0.92 ± 0.10 (0.921, 0.924) |
|