Table 3 Analysis of the false positives predicted by the CPM-Net model output before and after post-processing, for our private dataset (*: foramen magnum, ICA: internal carotid artery, A1: A1 segment of anterior cerebral artery, A2: A2 segment of anterior cerebral artery, ACA: anterior cerebral artery).
All FP | FP removed by | |||||
|---|---|---|---|---|---|---|
Method 1 | Method 2 | Method 3 | Method 4 | Method 5 | ||
Vein | 71 | 11 | 67 | 67 | 67 | 67 |
Vein of Galen | 33 | 0 | 33 | 33 | 33 | 33 |
Venous sinus | 8 | 0 | 8 | 8 | 8 | 8 |
Cavernous venous sinus | 3 | 0 | 0 | 0 | 0 | 0 |
Other intracranial veins | 17 | 1* | 16 | 16 | 16 | 16 |
Extracranial veins | 10 | 10 | 10 | 10 | 10 | 10 |
Artery | 15 | 2 | 6 | 1 | 6 | 2 |
Cervical artery | 2 | 2 | 2 | 1 | 2 | 2 |
ICA infundibulum/branch points | 2 | 0 | 0 | 0 | 0 | 0 |
MCA branch points | 3 | 0 | 1 | 0 | 1 | 0 |
Caliber change at A1/A2 or ACA | 4 | 0 | 1 | 0 | 1 | 0 |
Vertebrobasilar confluence | 2 | 0 | 2 | 0 | 2 | 0 |
ICA occlusion | 1 | 0 | 0 | 0 | 0 | 0 |
Ectatic basilar artery | 1 | 0 | 0 | 0 | 0 | 0 |
Vessel | 8 | 7 | 5 | 5 | 8 | 8 |
Intracranial | 1 | 0 | 1 | 1 | 1 | 1 |
Extracranial | 7 | 7 | 4 | 4 | 7 | 7 |
Tissue | 32 | 8 | 5 | 5 | 12 | 12 |
Choroid plexus | 19 | 0 | 2 | 2 | 2 | 2 |
Pineal gland | 4 | 0 | 2 | 2 | 2 | 2 |
Other intracranial | 1 | 0 | 0 | 0 | 0 | 0 |
Extracranial | 8 | 8 | 1 | 1 | 8 | 8 |
Total | 126 | 28 | 83 | 78 | 93 | 89 |
Intracranial | 99 | 1 | 66 | 62 | 66 | 62 |
Extracranial | 27 | 27 | 17 | 16 | 27 | 27 |