Earth Surface Dynamics
Earth Surface Dynamics
ESurf
Articles | Volume 13, issue 5
Articles | Volume 13, issue 5
https://doi.org/10.5194/esurf-13-923-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/esurf-13-923-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 13, issue 5
Research article
 | 
24 Sep 2025
Research article |  | 24 Sep 2025

Curvature-based pebble segmentation for reconstructed surface meshes

Aljoscha Rheinwalt, Benjamin Purinton, and Bodo Bookhagen

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Latest update: 18 Oct 2025
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Short summary
Our study presents a computer-based method to detect and measure pebbles in 3D models reconstructed from camera photos. We tested it in a controlled setup and achieved 98 % accuracy in detecting pebbles. Unlike traditional 2D methods, our approach provides full 3D size and orientation data. This improves sediment analysis and riverbed studies by offering more precise measurements. Our work highlights the potential of 3D modeling for studying natural surfaces.
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