FLEX: FLexible Transducer With External Tracking for Ultrasound Imaging With Patient-Specific Geometry Estimation. - Debarghya China; Ziwei Feng; Hamed Hooshangnejad; Daniel Sforza; Prasad Vagdargi; Muyinatu A. Lediju Bell; Ali Uneri; Alejandro Sisniega; Kai Ding 003 (IEEE Trans. Biomed. Eng., 2024)