This repository contains simplified sample code for a pulse-echo global speed-of-sound algorithm using plane wave transmissions.
If you use any code or data from this repository, please cite the associated paper from IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
D. Xiao, P. De la Torre, A. C. H. Yu, "Real-Time Speed-of-Sound Estimation In Vivo via Steered Plane Wave Ultrasound", IEEE Trans. Ultrason. Ferroelectr. Freq. Control, vol. 71, no. 6, pp. 673-686, June 2024, doi: 10.1109/TUFFC.2024.3395490.
The repository contains one main script, one helper script, and one delay-and-sum beamforming function. Please run the main script sos_example.m for a demonstration of the algorithm.