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Preliminary Assessment of Joint Roughness Coefficient of Rock Slope Using UAV–SfM Photogrammetry Technique
Joint roughness coefficient (JRC) is an important criterion to determine the shear strength of rock, for example, as one of the inputs for the...
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Determination of joint roughness coefficient using a cost-effective photogrammetry technique
The presence of discontinuities in the rock mass is extremely crucial in many engineering applications of rock mechanics. The estimation of the joint...
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Feasibility Exploration of the Numerical Simulation of Photogrammetry in Rock Slopes Based on Field Tests
Digital photogrammetry technology has been extensively utilized in identifying rock mass discontinuities, with its measurement accuracy and...
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Time series analysis of slope displacements using UAV photogrammetry and its relationship with rainfall intensity
In this study, UAV (Unmanned Aerial Vehicle) photogrammetry was used to monitor the ground displacement on the slope below a coal waste-rock...
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Roughness Estimation of Multi-Scale Rock Joints based on SfM & MVS Photogrammetry with A DSLR Camera in Animation Mode
To recreate high-quality three-dimensional (3D) models of rock joints for quantitative roughness characterization more economically, portably, and...
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Sensitivity analysis of regional rainfall-induced landslide based on UAV photogrammetry and LSTM neural network
Rainfall stands out as a critical trigger for landslides, particularly given the intense summer rainfall experienced in Zheduotang, a transitional...
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Identification of rocky ledge on steep, high slopes based on UAV photogrammetry
The rocky ledge on steep, high slopes easily tends to instability under the action of gravity, earthquake, excavation unloading, etc., which...
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Combining UAV-LiDAR and UAV-photogrammetry for bridge assessment and infrastructure monitoring
Maintaining the health of strategic infrastructures and bridges is crucial for effective maintenance operations. However, traditional periodical...
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Study on characteristics and impact of Kalikhola landslide, Manipur, NE India, using UAV photogrammetry
Landslide is one of the natural calamities that severely affect society and economy, specifically in the mountainous regions. Monitoring of the...
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Investigation of accuracy of PPP and PPP-AR methods for direct georeferencing in UAV photogrammetry
Traditionally, photogrammetric product accuracy at cm level is obtained with Ground Control Points (GCP) in UAV photogrammetry. In recent years, UAVs...
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Building information extraction and earthquake damage prediction in an old urban area based on UAV oblique photogrammetry
Seismic performance investigation and earthquake damage prediction of buildings in old urban areas are of great significance for the resistance to...
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Dynamic 3D network design for UAV-based photogrammetry in mountainous terrain
Topographic map** in mountainous areas encounters many challenges due to the potential impasse and lack of access to all locations. Unmanned Aerial...
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Site selection for landslide GNSS monitoring stations using InSAR and UAV photogrammetry with analytical hierarchy process
Site selection for global navigation satellite system (GNSS) monitoring stations is the primary task in landslide GNSS monitoring work, and the...
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Estimating millimeter-scale surface roughness of rock outcrops using drone-flyover structure-from-motion (SfM) photogrammetry by applying machine learning model
A quantitative outcrop survey was conducted in three coastal areas in Japan to estimate the relationship between the surface morphology and visual...
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Research on fine collection and interpretation methods of discontinuities on high-steep rock slopes based on UAV multi-angle nap-of-the-object photogrammetry
The rapid and accurate acquisition of discontinuity parameters of rock masses is of paramount significance for the stability assessment of rock...
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Rock characterization, UAV photogrammetry and use of algorithms of machine learning as tools in map** discontinuities and characterizing rock masses in Acoculco Caldera Complex
The use of UAV represents a very useful tool for rock mass characterization, particularly in large, unsafe, and not accessible areas characterized by...
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Close-Range Photogrammetry for 3D Rock Joint Roughness Evaluation
Photogrammetry-based methods using everyday photographic equipment and easily available software have gained relevance for roughness measurement of...
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Detection and analysis of landslide geomorphology based on UAV vertical photogrammetry
High-resolution landslide images are required for detailed geomorphological analysis in complex topographic environment with steep and vertical...
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Water-saturated zone recognition using integrated 2D electrical resistivity tomography, borehole, and aerial photogrammetry in granite deposit, Malaysia
Weathering in humid, tropical regions generate cracks in the rock mass. The resultant cracks promote the infiltration of water into the rock mass and...
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Airborne combined photogrammetry—infrared thermography applied to landslide remote monitoring
The combination between two remote surveying methods is presented herein as a pioneering approach for landslide airborne monitoring. The survey of an...
