Update README.md
Browse files
README.md
CHANGED
|
@@ -15,13 +15,13 @@ tags:
|
|
| 15 |
|
| 16 |
**Sequence-agnostic whole-liver segmentation on abdominal MRI.**
|
| 17 |
|
| 18 |
-
LiverSegMRI is a five-fold nnU-Net v2 ensemble (`3d_fullres`, `nnUNetTrainerNoMirroring`) that segments the whole liver on a single abdominal MRI sequence. It
|
| 19 |
|
| 20 |
- T1-weighted in- and opposed-phase
|
| 21 |
-
- pre-contrast and dynamic post-contrast (early and late arterial, portal venous, transitional or delayed)
|
| 22 |
-
- hepatobiliary phase
|
| 23 |
- T2-weighted
|
| 24 |
-
-
|
| 25 |
|
| 26 |
| Resource | Link |
|
| 27 |
|---|---|
|
|
@@ -99,7 +99,7 @@ External test set, LiverSegMRI vs comparators:
|
|
| 99 |
| HD95 (mm) | 6.6 | 15.3 | 27.0 |
|
| 100 |
| Volume error (%) | 5.0 | 13.9 | 12.5 |
|
| 101 |
|
| 102 |
-
- **By field strength:**
|
| 103 |
- **Comparisons with the other models:** all paired comparisons were significant with Holm-adjusted P < .001.
|
| 104 |
|
| 105 |
### Performance across sequence types and liver morphology
|
|
@@ -122,8 +122,6 @@ Three examinations, one per row, each shown with the manual reference (red) and
|
|
| 122 |
- **E–H, T2-weighted imaging.** The liver is dark against a bright spleen; both comparators under-segment the dome and the left lobe (0.96 vs 0.74 and 0.75).
|
| 123 |
- **I–L, diffusion-weighted imaging.** The lowest-resolution sequence shown: TotalSegmentator MRI misses the posterior right lobe and MRAnnotator fragments inside the parenchyma, while LiverSegMRI reproduces the reference almost exactly (0.98 vs 0.68 and 0.79).
|
| 124 |
|
| 125 |
-
The pattern matches the quantitative result above: the models agree most on high-resolution contrast-enhanced T1-weighted imaging and diverge on T2-weighted and diffusion-weighted acquisitions.
|
| 126 |
-
|
| 127 |
See the paper for sequence-wise, subgroup, failure, and label-matched analyses.
|
| 128 |
|
| 129 |
## Intended use and limitations
|
|
|
|
| 15 |
|
| 16 |
**Sequence-agnostic whole-liver segmentation on abdominal MRI.**
|
| 17 |
|
| 18 |
+
LiverSegMRI is a five-fold nnU-Net v2 ensemble (`3d_fullres`, `nnUNetTrainerNoMirroring`) that segments the whole 3D liver on a single abdominal MRI sequence. It is sequence agnostic and handles:
|
| 19 |
|
| 20 |
- T1-weighted in- and opposed-phase
|
| 21 |
+
- T1W pre-contrast and dynamic post-contrast (early and late arterial, portal venous, transitional or delayed)
|
| 22 |
+
- T1W hepatobiliary phase
|
| 23 |
- T2-weighted
|
| 24 |
+
- Diffusion-weighted and ADC
|
| 25 |
|
| 26 |
| Resource | Link |
|
| 27 |
|---|---|
|
|
|
|
| 99 |
| HD95 (mm) | 6.6 | 15.3 | 27.0 |
|
| 100 |
| Volume error (%) | 5.0 | 13.9 | 12.5 |
|
| 101 |
|
| 102 |
+
- **By field strength:** performance was similar at 1.5 T and 3.0 T.
|
| 103 |
- **Comparisons with the other models:** all paired comparisons were significant with Holm-adjusted P < .001.
|
| 104 |
|
| 105 |
### Performance across sequence types and liver morphology
|
|
|
|
| 122 |
- **E–H, T2-weighted imaging.** The liver is dark against a bright spleen; both comparators under-segment the dome and the left lobe (0.96 vs 0.74 and 0.75).
|
| 123 |
- **I–L, diffusion-weighted imaging.** The lowest-resolution sequence shown: TotalSegmentator MRI misses the posterior right lobe and MRAnnotator fragments inside the parenchyma, while LiverSegMRI reproduces the reference almost exactly (0.98 vs 0.68 and 0.79).
|
| 124 |
|
|
|
|
|
|
|
| 125 |
See the paper for sequence-wise, subgroup, failure, and label-matched analyses.
|
| 126 |
|
| 127 |
## Intended use and limitations
|