Table 7 Training data overview.
From: Non-invasive diagnosis of deep vein thrombosis from ultrasound imaging with machine learning
Algorithm training data | Groin/thigh area model training | Knee area model training | Acquired data |
|---|---|---|---|
Subjects | 245 | 163 | 255 |
Number of compression sequences | 1076 | 616 | 1500 |
Annotated scan sequences | |||
Background/no anatomical landmark or compression | 169 | 169 | 169 |
LM0—external iliac vein | 10 | – | 10 |
Start of groin area after the inguinal ligament | |||
LM1—Greater saphenous vein + common femoral vein at saphenofemoral junction | 215 | – | 215 |
LM2—common femoral vein and artery | 51 | – | 51 |
LM3—common femoral vein and superficial and deep femoral arteries | 294 | – | 294 |
LM4—superficial and deep femoral veins and arteries | 141 | – | 141 |
End of groin area and beginning of thigh area at entrance to adductor canal | |||
LM5—proximal thigh with superficial vein clearly visible with deep femoral vein clearly separated in deep tissue | 123 | – | 123 |
LM6—mid thigh with superficial femoral vein and artery in the adductor canal | 288 | – | 288 |
LM7—distal thigh, same anatomy as LM6 | 2 | – | 2 |
End of thigh area and beginning of knee area | |||
LM8—proximal popliteal area, with popliteal vein and artery | – | 130 | 130 |
LM9—middle popliteal area, with tibial-fibular trunk and popliteal artery | – | 141 | 141 |
LM10—distal popliteal area, with anterior and posterior tibial and fibular veins and popliteal artery | – | 186 | 186 |
Total number of manually annotated images | 111,546 | 88,823 | 167,145 |
