3D Volumetric Tensor Velocity Imaging with Low Computational Complexity Using a Row-Column Addressed Array

A method for volumetric Tensor Velocity Imaging employing row-column (RC) addressed array with low computational complexity is investigated in simulations. An interleaved and non-interleaved sliding aperture sequence 11 rows columns emissions by a 62 + RC was used. The 3D velocities were estimated transverse oscillation (TO) cross-correlation estimator. Parabolic profiles at six different orientations corresponding to combinations of 0, 45 degrees azimuth angles 90, 75, 60 beam-to-flow 5 kHz pulse repetition frequencies. Field II simulations performed depth 30 mm peak velocity 0.3 m/s. Across all vessel orientations, the relative mean bias varied from 2.3% −14.26%, standard deviation 0.43% 5.5%. best worst performance found beam flow 90 0 rotation angle respectively. Due channel count complexity, real-time implementation feasible on conventional ultrasound systems.