The algorithm could be skilled on current data or simulated marker trajectories. Details and code is provided to make the simulated trajectories for custom marker sets. StradWin Stradwin is an experimental, cross-platform Device generally for freehand 3D ultrasound acquisition, visualisation and elastography. Nevertheless, Stradwin may also be used with https://www.youtube.com/watch?v=dffRPLAIH7M