Fig. 6: Example frames from routine ultrasound examinations with a sonographer’s annotations and calipers.
From: Whole examination AI estimation of fetal biometrics from 20-week ultrasound scans

Shown are a a Brain-TV image, with annotations for head circumference, biparietal diameter and posterior ventricle, b a femur image, with the femur length measured and annotated. These frames were acquired and saved by a sonographer, and we extracted their annotations to form part of our training set.