A method of blasted rock image segmentation based on improved watershed algorithm

Q Guo, Y Wang, S Yang, Z Xiang - Scientific Reports, 2022 - nature.com
It is of great theoretical significance and practical value to establish a fast and accurate
detection method for particle size of rock fragmentation. This study introduces the …

Continuous monitoring and improvement of the blasting process in open pit mines using unmanned aerial vehicle techniques

T Bamford, F Medinac, K Esmaeili - Remote Sensing, 2020 - mdpi.com
The current techniques used for monitoring the blasting process in open pit mines are
manual, intermittent and inefficient and can expose technical manpower to hazardous …

Measuring blast fragmentation at Nui Phao open-pit mine, Vietnam using the Mask R-CNN deep learning model

T Vu, T Bao, QV Hoang, C Drebenstetd… - Mining …, 2021 - journals.sagepub.com
Blast fragmentation size distribution is one of the most critical factors in evaluating the
blasting results and affecting the downstream mining and processing operations in open-pit …

A real-time analysis of post-blast rock fragmentation using UAV technology

T Bamford, K Esmaeili, AP Schoellig - International journal of …, 2017 - Taylor & Francis
The current practice of collecting rock fragmentation data for image analysis is highly
manual and provides data with low temporal and spatial resolution. Using Unmanned Aerial …

Application of laser scanning to measure fragmentation in underground mines

AD Campbell, MJ Thurley - Mining Technology, 2017 - journals.sagepub.com
The particle size distribution of fragmented rock in mines affects operational performance of
loading equipment, materials handling and crushing systems and is known to influence ore …

Enhanced U-Net model for rock pile segmentation and particle size analysis

Z Yang, H Wu, H Ding, J Liang, L Guo - Minerals Engineering, 2023 - Elsevier
Segmenting blasted stockpile particles in open-pit mines is essential for improving mining
operations. However, complex rock textures often challenge traditional segmentation …

Development of 3D rock fragmentation measurement system using photogrammetry

H Jang, I Kitahara, Y Kawamura, Y Endo… - … Journal of Mining …, 2020 - Taylor & Francis
Run-of-mine fragmentation is an important aspect of mine productivity optimisation, as it
affects all mine-to-mill processes. In this study, a 3D rock fragmentation measurement …

[HTML][HTML] Fragmentation calculation method for blast muck piles in open-pit copper mines based on three-dimensional laser point cloud data

Y Wang, W Tu, H Li - International Journal of Applied Earth Observation and …, 2021 - Elsevier
The current calculation methods for the blast fragmentation of muck piles (BFMP) do not
consider three-dimensional (3D) feature information, such as concavity and convexity. Thus …

Effect of Water‐Decked Blasting on Rock Fragmentation Energy

W Xia, W Lu, R Li, M Chen, Z Lei - Shock and Vibration, 2020 - Wiley Online Library
Fragmentation energy ratio is an important index to evaluate whether an explosive is used
efficiently. This paper discusses the effect of water‐decked blasting on fragmentation energy …

Model scaling in smartphone gnss-aided photogrammetry for fragmentation size distribution estimation

ZPL Tungol, H Toriya, N Owada, I Kitahara, F Inagaki… - Minerals, 2021 - mdpi.com
Fragmentation size distribution estimation is a critical process in mining operations that
employ blasting. In this study, we aim to create a low-cost, efficient system for producing a …