Patent ID: 9721355
Date: 2017-08-01
CPC Classifications: A61B,G01S,G06K,G06T

Claim:
1. A method for creating a volume of interest (VOI) in an ultrasound imaging space, wherein the VOI represents a three-dimensional geometric figure inside which volume data are used to produce a three-dimensional image, the method comprises: defining a three-dimensional initial framework with at least one planar surface for the VOI in the ultrasound imaging space; receiving the selection of at least one reference point at a location in the ultrasound imaging space that is external to the three-dimensional initial framework, wherein receiving a selection of at least one reference point comprises: receiving a selection of at least one reference plane in the ultrasound imaging space: receiving a selection of at least one proxy reference point in the reference planes: and updating the at least one selected reference point, using reversed projection points of the proxy reference points, wherein the reversed projection points are obtained by projecting the proxy reference points according to a reversed projection relationship which is reversed to the projection relationship according to which the reference points are projected to the reference planes: creating at least one curved surface using at least one element of the three-dimensional initial framework and the at least one reference point; and creating the volume of interest (VOI) based on the curved surface in the ultrasound imaging space.