Efficient and Accurate Coded Target Decoding for 3D Reconstruction of Soil Specimens in Triaxial Test

X Xia, X Zhang - Geo-Congress 2023, 2023 - ascelibrary.org
Coded targets have been widely used for solving the corresponding problem in
photogrammetry for high-accuracy three-dimensional measurements. Accurate and efficient …

Soil Surface Deformation Measurement Using Photogrammetry Based on a Consumer-Grade Camera

A Poudel, G Lei, M Azizian, NT Asfaw, L Hoyos, X Yu - IFCEE 2024 - ascelibrary.org
Photogrammetry for measuring soil surface movement has gained popularity in recent years.
This technique involves placing coded targets and ground points on the soil surface and …

Use of Low-Cost Security Cameras to Measure the Volume Changes of Unsaturated Soils during Triaxial Testing

X Xia, S Fayek, X Zhang - Geo-Congress 2022, 2022 - ascelibrary.org
Photogrammetry is gaining popularity in geotechnical engineering. Many researchers used
photogrammetry to measure the soil volumes in laboratory tests. However, the potential of …