[HTML][HTML] Machine learning-based classification of rock discontinuity trace: SMOTE oversampling integrated with GBT ensemble learning

J Chen, H Huang, AG Cohn, D Zhang… - International Journal of …, 2022 - Elsevier
This paper presents a hybrid ensemble classifier combined synthetic minority oversampling
technique (SMOTE), random search (RS) hyper-parameters optimization algorithm and …

The implications of M3C2 projection diameter on 3D semi-automated rockfall extraction from sequential terrestrial laser scanning point clouds

PM DiFrancesco, D Bonneau, DJ Hutchinson - Remote Sensing, 2020 - mdpi.com
Rockfall inventories are essential to quantify a rockfall activity and characterize the hazard.
Terrestrial laser scanning and advancements in processing algorithms have resulted in …

[HTML][HTML] A robust approach to identify roof bolts in 3D point cloud data captured from a mobile laser scanner

SK Singh, S Raval, B Banerjee - International Journal of Mining Science …, 2021 - Elsevier
Roof bolts such as rock bolts and cable bolts provide structural support in underground
mines. Frequent assessment of these support structures is critical to maintain roof stability …

Comparison of ground point filtering algorithms for high-density point clouds collected by terrestrial LiDAR

G Bailey, Y Li, N McKinney, D Yoder, W Wright… - Remote Sensing, 2022 - mdpi.com
Terrestrial LiDAR (light detection and ranging) has been used to quantify micro-topographic
changes using high-density 3D point clouds in which extracting the ground surface is …

Classifying rock slope materials in photogrammetric point clouds using robust color and geometric features

L Weidner, G Walton, A Krajnovich - ISPRS Journal of Photogrammetry and …, 2021 - Elsevier
Photogrammetry is increasingly being used to characterize rock slope hazards in
mountainous environments. With growth in the amount of point cloud data being collected …

[HTML][HTML] Random Cross-Validation Produces Biased Assessment of Machine Learning Performance in Regional Landslide Susceptibility Prediction

C Kumar, G Walton, P Santi, C Luza - Remote Sensing, 2025 - mdpi.com
Machine learning (ML) models are extensively used in spatial predictive modeling, including
landslide susceptibility prediction. The performance statistics of these models are vital for …

An algorithm for measuring landslide deformation in terrestrial lidar point clouds using trees

L Weidner, M van Veen, M Lato, G Walton - Landslides, 2021 - Springer
Terrestrial lidar data is a powerful resource for monitoring geohazards such as rockfall and
landslides. However, vegetated landslides with horizontal shear surfaces remain difficult to …

An intelligent framework for end‐to‐end rockfall detection

T Zoumpekas, A Puig, M Salamó… - … Journal of Intelligent …, 2021 - Wiley Online Library
Rockfall detection is a crucial procedure in the field of geology, which helps to reduce the
associated risks. Currently, geologists identify rockfall events almost manually utilizing point …

[HTML][HTML] Generalized Extraction of Bolts, Mesh, and Rock in Tunnel Point Clouds: A Critical Comparison of Geometric Feature-Based Methods Using Random Forest …

L Weidner, G Walton - Remote Sensing, 2024 - mdpi.com
Automatically identifying mine and tunnel infrastructure elements, such as rock bolts, from
point cloud data improves deformation and quality control analyses and could ultimately …

[HTML][HTML] Identification of outcrop** strata from UAV oblique photogrammetric data using a spatial case-based reasoning model

J Chen, B Wang, F Wang, M Hou, Z Hu - International Journal of Applied …, 2021 - Elsevier
Due to the large scale and complex terrain of some outcrops, it is difficult to carry out
comprehensive and detailed stratum identification using traditional geological methods. The …