Article

OCT-Guided Soft Tissue Geometric Modeling: 3D Representations for Data-Driven Closed-Loop Shape Control

The study proposes an OCT-guided data-driven framework that learns soft tissue shape control from user demonstrations and executes it with closed-loop OCT feedback. In 12 configurations and 576 phantom trials, the Explicit policy using residual-conditioned voxel point clouds achieved Shape RMSE of 0.534 mm on the depth task and 0.443 mm on the directional task; full-volume Diffusion with residual conditioning reduced directional error from 0.748 mm to 0.555 mm.

Part of the event: OCT closed-loop framework achieves soft tissue shape control

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