Adaptive digital beamforming for phased array ultrasound imaging (medical US imaging)

A phase aberration correction technique with low computational complexity is proposed. The technique is based on the minimization of the sum of absolute differences between the sampled echo signals received by the adjacent array elements. It can be successfully applied for correction of aberration patterns in the presence of point reflector and random scatterers. A set of algorithms for the application of the correction technique is investigated. The simulation results for the performance analysis of these algorithms are presented.<>