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Bibliographic Details
Main Authors: Ogren, Alexander C., Feng, Berthy T., Ahn, Jihoon, Bouman, Katherine L., Daraio, Chiara
Format: Preprint
Published: 2025
Subjects:
Online Access:https://arxiv.org/abs/2507.09207
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Table of Contents:
  • Wave propagation on the surface of a material contains information about physical properties beneath its surface. We propose a method for inferring the thickness and stiffness of a structure from just a video of waves on its surface. Our method works by extracting a dispersion relation from the video and then solving a physics-based optimization problem to find the best-fitting thickness and stiffness parameters. We validate our method on both simulated and real data, in both cases showing strong agreement with ground-truth measurements. Our technique provides a proof-of-concept for at-home health monitoring of medically-informative tissue properties, and it is further applicable to fields such as human-computer interaction.