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Multispectral Imaging: A New Solution for Identification of Coal and Gangue [PDF]

open access: yesIEEE Access, 2019
Accurate identification of coal and gangue is an important prerequisite for the effective separation of coal and gangue. The application of imaging technology combined with image processing steps (like enhancement, feature extraction, etc.) and ...
Feng Hu   +4 more
doaj   +4 more sources

PCViT: A Pre-Convolutional ViT Coal Gangue Identification Method

open access: yesEnergies, 2022
For the study of coal and gangue identification using near-infrared reflection spectroscopy, samples of anthracite coal and gangue with similar appearances were collected, and different dust concentrations (200 ug/m3, 500 ug/m3 and 800 ug/m3), detection ...
Jianjian Yang   +4 more
doaj   +4 more sources

Dielectric identification method and system design of coal gangue based on frequency shift characteristics [PDF]

open access: yesScientific Reports
This paper investigates the impact of variations in excitation frequency variations on the dielectric properties of coal gangue to enhance identification accuracy in challenging underground conditions.
Xinquan Wang, Meng Wu, Panpan Zhao
doaj   +4 more sources

A coal-gangue optimization identification method

open access: yesGong-kuang zidonghua, 2020
Aiming at problem that target detection of coal-gangue image is not accurate due to wear of conveyor belt, which affects identification accuracy of coal-gangue, a coal-gangue optimization identification method is proposed.
ZHAO Minghui
doaj   +2 more sources

Identification Method of Coal and Coal Gangue Based on Dielectric Characteristics [PDF]

open access: yesIEEE Access, 2021
To solve the problems of the difficult feature extraction, poor feature credibility and low recognition accuracy of coal and gangue, this paper utilizes the difference in the dielectric properties of coal and gangue and in combination with a support ...
Yongcun Guo   +4 more
doaj   +2 more sources

Study on Coal Gangue Identification Based on Vibration and Its Adaptability to Coal-Caving Process Parameters

open access: yesShock and Vibration, 2023
The broken top coal and gangue in the fully mechanized cave mining will be released from the rear of the hydraulic support in the form of bulk. In this process, the medium properties through the coal opening can be judged by monitoring the vibration ...
Lirong Wan   +5 more
doaj   +2 more sources

Coal and Gangue Active Identification Method Using Microwave Irradiation-Infrared Detection

open access: yesMinerals (Basel, Switzerland), 2022
In the process of the longwall top coal caving method, automatic distinction between coal and gangue at the working face is one of the most critical factors for the success of the operation. An active coal and gangue identification method using microwave irradiation combined with infrared detection is proposed in this paper.
Hani S Mitri, Liu Chuang, Mitri Hani S
exaly   +2 more sources

Coal and gangue identification method based on EMD feature extraction and random forest

open access: yesGong-kuang zidonghua, 2021
Identification based on vibration signals is an effective method to realize coal and gangue identification in fully mechanized mining. The existing method needs to be further studied in terms of identification accuracy and effectiveness.
DOU Xijie   +5 more
doaj   +2 more sources

Near-infrared reflectance spectrum data preprocessing method for coal gangue identification

open access: yesGong-kuang zidonghua, 2021
When using near-infrared reflectance spectrum to identify coal gangue, the change of detection distance between spectrum acquisition device and working face and dust interference will affect near-infrared reflectance spectrum. In order to select the best
DING Zhen1, CHANG Boshen2
doaj   +2 more sources

Design and application of coal gangue sorting system based on deep learning [PDF]

open access: yesScientific Reports
With the advancement of science and technology, coal-washing plants are transitioning to intelligent, information-based, and professional sorting systems.
Kun Zhang   +9 more
doaj   +2 more sources

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