Motion-induced error correction in ultrasound imaging

Ultrasound imaging is a helpful aid for diagnosis in many medical specialities. In order to enhance the information available to the examiner an upcoming approach is used to compound the sequence of video images into a single 3D volume, which needs a real-time tracking of the transducer However, errors in the positioning occur and the compounded image becomes degraded. We propose a method which automatically corrects the positioning error by means of a registration step between the live echography and compounded volume. The algorithm was tested on sequences taken on an in-vitro human brain.