BioengineeringbioRxivPreprint
PA-SfM: Tracker-free freehand 3D photoacoustic imaging via differentiable acoustic radiation
Shuang Li, Jianqi Gao, Chulhong Kim…·Changhui Li
PA-SfM enables tracker-free freehand 3D photoacoustic imaging with improved spatial coverage and reconstruction quality compared to traditional methods.
DOI 10.64898/2026.04.06.716718