PA-SfM: Tracker-free freehand 3D photoacoustic imaging via differentiable acoustic radiation
Shuang Li, Jianqi Gao, Chulhong Kim, Seongwook Choi, Hao Huang, Yibing Wang, Junhui Shi, Qian Chen, Shuang Wu, Yu Zhang, Yi Zhou, Yao Yao, Changhui Li
PA-SfM enables tracker-free freehand 3D photoacoustic imaging with improved spatial coverage and reconstruction quality compared to traditional methods.
bioRxiv · Sep 25, 2026 · PreprintBioengineering