Author

Jiyang Cai

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Preprint Aug 2026

KnockGS:interaction-Grounded Calibrationof Physical Gaussian Representations

This work proposes KnockGS, an interaction-response PhysicalGS framework that estimates the elasticity and density scales of a 3D Gaussian object from its dynamics under a known applied force, and recovers the scales substantially more accurately than response retrieval, global regression, or a fixed default material.

Chenchen Ge, Hanwen Shen, Bowen Jing et al. · 0 citations