arxivcs.CVcs.RO2026-07-14
Seeing Globally, Refining Locally: Global Visual Guidance and Local Ultrasound Cues for Robust Freehand 3-D Ultrasound Reconstruction
Yameng Zhang, Zhongyu Chen, Dianye Huang, Xiangyu Chu, K. W. Samuel Au, Zhongliang Jiang
Freehand 3-D ultrasound (US) imaging has attracted increasing attention owing to its intuitive volumetric visualization, ease of use, and low cost. However, accurate 3-D reconstruction critically depends on stable probe pose estimation, yet existing trackerless methods remain sus…