An ultrasound system automatically measures fetal head size from ultrasound images. An ultrasound image of the fetal head is detected. A radial maxima point is identified on each of a plurality of radii extending from a substantially common vertex point within the fetal head image. Each radial...http://www.google.com/patents/US5795296?utm_source=gb-gplus-sharePatent US5795296 - Pipeline process for automatically measuring object boundary from ultrasound image samples 
