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[Paper] EndoVGGT: GNN-Enhanced Depth Estimation for Surgical 3D Reconstruction

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Summary

EndoVGGT is a novel framework designed to enhance 3D reconstruction of deformable soft tissues during surgery, a critical capability for surgical robotic perception. It tackles challenges like low-texture surfaces and occlusions by employing a Deformation-aware Graph Attention (DeGAT) module. This module dynamically constructs feature-space neighborhoods, offering a more robust approach compared to existing fixed-topology methods.

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