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detection of line gangue:

Visual Positioning and Recognition of Gangues Based on ...

Jul 05, 2019 · Gangue separation line Due to the presence of coal dust and the lack of ambient light, the separation line has a poor visual environment. It is impossible to detect object boundaries in such an environment, not to mention positioning and recognizing the gangues.

Cascade network for detection of coal and gangue in the ...

Jan 02, 2021 · Abstract. Online detection of coal and gangue is the key to intelligent separation of coal and gangue which is significant for improving coal mining efficiency and deducing environmental pollution. To improve the detection of coal and gangue under complex conditions, we proposed a cascade network that consists of detector and discriminator.

Separating coal and gangue using three-dimensional laser ...

Dec 10, 2017 · 1. Introduction. Gangue minerals accounts for between 15% and 20% of raw coal in China (Qian et al., 2007).Indeed, as coal production has increased, so has gangue generation; by the end of 2009, the total amount of gangue produced added up to 5.0 × 10 9 t, encompassing 40% of the total Chinese solid waste (Miao and Qian, 2009).The accumulation of coal gangue not only takes up a

Sensors | Free Full-Text | Coal and Gangue Separating ...

The main contributions of the work in this paper are the following: (1) propose a dynamic target detection method and establish a data set of coal and gangue, (2) propose a movement planning method in line with the coal gangue sorting strategy, and (3) control the robot to complete the sorting task.

Coal and Gangue Separating Robot System Based on Computer ...

Feb 14, 2021 · The main contributions of the work in this paper are the following: (1) propose a dynamic target detection method and establish a data set of coal and gangue, (2) propose a movement planning method in line with the coal gangue sorting strategy, and

Mechanical and Acoustic Emission Behavior of Gangue ...

The application of gangue concrete can be an effective method to solve the massive gangue heap and shortage of raw materials of concrete by replacing the gravel and river sand with crushed gangue. An Acoustic emission (AE) is one of the non-destructive testing methods that can be used for damage detection of the gangue concrete structure. However, there are obvious mechanics differences ...

Detection of Zones Based on Ore and Gangue Using Fractal ...

gangue minerals for sulfur and phosphorus. 4.2. Application of C-V fractal model The C-V log–log plots were created for Fe, FeO, S, P, and density based on the sub-surface data (Figure 5). The beak points of the straight-line segments in the log–log plots indicate the threshold values discriminating the concentration volume

Visual Positioning and Recognition of Gangues Based on ...

Received: 18 January 2019 Accepted: 20 March 2019 The coals and gangues in a raw coal image have similar visual features, due to the presence of coal ash on the surface. Thus, it is difficult to locate and recognize coals and gangues on the transmission line through visual recognition. To solve the problem, this paper proposes a visual positioning and recognition method for gangues based on ...

(PDF) Detection of Magnesite and Associated Gangue ...

Apr 22, 2020 · This study introduced a detection method for magnesite and associated gangue minerals, including dolomite, calcite, and talc, based on mineralogical, chemical, and hyperspectral analyses using ...

Novel Methods for Separation of Gangue from Limestone and ...

Feb 26, 2016 · X.R. Song, F.J. Wang. Research on coal gangue on-line automatic separation system based on the improved BP algorithm and arm. In Sixth International Conference on Machine Learning and Cybernetics, vol. 5, (2007), pp. 2897–2900. 8. X.M. Ma. A revised edge detection algorithm based on wavelet transform for coal gangue image.

Rapid Detection of As(III) in Coal Gangue with Anodic ...

Dec 01, 2019 · It is important to detect arsenic content in the process of comprehensive utilization of coal gangue in view of environment risk control. In this work, we proposed a rapid detect method of As(III) in coal gangue with anodic stripping voltammetry, and optimized the operating parameters by a large number of experiments.

Recognition Methods for Coal and Coal Gangue Based on Deep ...

Recognizing coal and coal gangue is an important part of the coal industry and is mainly conducted via human sorting at present. Consequently, considerable manpower is needed, which adds a burden ...

Research on Coal and Gangue Identification Method Based on ...

A method based on infrared thermal wave to distinguish coal and waste rock is introduced. Infrared thermal wave detection technology, a fast and effective detection method, can detect different characteristics of coal and gangue on the surface or subsurface. Test showed that coal and waste rock can be distinguished effectively by processing their infrared thermal wave image.

Courier 8 SL analyzer - Outotec

On-line measurement of Si, Al, Fe, and other light element gangue minerals in feed and concentrate streams. Optimal product quality without sacrificing recovery. Zn and Pb concentrators On-line measurement of Si, Mg, Al, and concentrations of other light element gangue minerals in feed and concentrate streams. Sulfide gold concentrators

Dielectric and geometric feature extraction and ...

Cascade network for detection of coal and gangue in the production context Powder Technol. , 377 ( 2021 ) , pp. 361 - 371 , 10.1016/j.powtec.2020.08.088 Article Download PDF

Mapping and detection of land use change in a coal mining ...

The urban, coal and coal gangue, and water areas increased rapidly in line with the growth in mine production. Urban areas increased from 9.38 to 20.92% and showed a tendency to increase around the coal mines. From 1989 to 2013 the coal and coal gangue area increased by 40-fold, from 0.02 to 0.58%.

Radiation characteristics of natural gamma-ray from coal ...

Jan 09, 2018 · It can be seen from Equation that the detection of radiation intensity of coal and gangue mixture is related to the density of coal and gangue, mass attenuation coefficient, content radioactive ...

Highly sensitive fetal goat tongue cell line for detection ...

A fetal goat cell line (ZZ-R 127) supplied by the Collection of Cell Lines in Veterinary Medicine of the Friedrich Loeffler Institute was examined for susceptibility to infection by foot-and-mouth disease (FMD) virus (FMDV) and by two other viruses causing clinically indistinguishable vesicular conditions, namely, the viruses of swine vesicular disease and vesicular stomatitis.

Image Processing Using Edge Detection Filters – IJERT

Jul 30, 2018 · Edge detection is the name for a set of mathematical methods which aim at identifying points in a digital image at which the image brightness changes sharply or, more formally, has discontinuities. The points at which image brightness changes sharply are typically organized into a set of curved line segments termed edges.

On-line determination of residual collector concentration ...

On-line determination of residual collector concentration in flotation process Master’s thesis 2014 ... desired minerals from the gangue. These particles accumulate on the surface of the ... had previously studied the detection of collector chemicals with capillary electrophoresis. The aim of this study was to

Line Detection by Hough transformation

Line Detection by Hough transformation 09gr820 April 20, 2009 1 Introduction When images are to be used in different areas of image analysis such as object recognition, it is important to reduce the amount of data in the image while preserving the important, characteristic, structural information. Edge detection makes it possible to reduce the ...

Finding Lane Lines — Simple Pipeline For Lane Detection ...

Mar 02, 2019 · Hough Transformation Lines Detection. Hough Transform is the technique to find out lines by identifying all points on the line. This is done by representing a line as point. And points are represented as lines/sinusoidal(depending on Cartesian / Polar co-ordinate system).

Separation of gangue from coal based on histogram ...

Dec 28, 2013 · Issuu is a digital publishing platform that makes it simple to publish magazines, catalogs, newspapers, books, and more online. Easily share your publications and get them in front of Issuu’s ...

US5143224A - Method and apparatus for separating diamonds ...

A method for separating diamonds from associated gangue in a diamondiferous material. The method comprises the steps of mixing the diamondiferous material with water to form a slurry and passing the slurry through laser radiation of known wavelength in the infra red part of the electromagnetic spectrum to cause Raman spectral scattering of the radiation from the slurry.

Separation Of Gangue From Coal Based On Histogram ...

Coal gangue is residual abandoned coal, produced after the pre-processing steps of mining. It is an amalgam of several unwanted substances. It is important to separate coal gangue from lump coal before fed to thermal power plants. In this paper, investigation on the fundamental characteristics of coal images and gangue images with digital image processing technology is proposed.

Copper extraction - Wikipedia

Copper extraction refers to the methods used to obtain copper from its ores.The conversion of copper consists of a series of physical and electrochemical processes. Methods have evolved and vary with country depending on the ore source, local environmental regulations, and other factors.. As in all mining operations, the ore must usually be beneficiated (concentrated).

Sensor (UK) | Electronic Leak Detection & Location Systems

Electronic leak detection and location systems for waterproof membranes and geomembranes on roofs, tanks, landfills, lagoons and anaerobic digesters. skip navigation. EN FR. ... an earth-filled embankment dam used to store byproducts of mining operations after separating the ore from the gangue. Stored tailings can be liquid, solid or slurry of ...

GitHub - georgesung/advanced_lane_detection: Advanced lane ...

Feb 07, 2017 · Advanced Lane Detection. Overview. Detect lanes using computer vision techniques. This project is part of the Udacity Self-Driving Car Nanodegree, and much of the code is leveraged from the lecture notes.. The following steps were performed for lane detection:

Line Detection on the OpenMV Cam M7 - YouTube

May 12, 2017 · Need to find straight lines in an image at 30 FPS? With find_lines() on your OpenMV Cam M7 (and M4 too) you now can! OpenMV Cams now include line detection b...

Fardapaper laser-based on-line machine vision detection ...

itoring system for early detection of longitudinal rip is desirable. Based on the line laser detection technology, an on-line detection method is investigated to accomplish conveyor belt longitudinal rip detection rapidly and accurately, and the monitoring system utilizing machine vision technology is designed in this paper.

Limit of Blank, Limit of Detection and Limit of Quantitation

Limit of Blank (LoB), Limit of Detection (LoD), and Limit of Quantitation (LoQ) are terms used to describe the smallest concentration of a measurand that can be reliably measured by an analytical procedure. LoB is the highest apparent analyte concentration expected to be found when replicates of a blank sample containing no analyte are tested.

Journal of Computational Methods in Sciences and ...

The major goal of the Journal of Computational Methods in Sciences and Engineering (JCMSE) is the publication of new research results on computational methods in sciences and engineering.Common experience had taught us that computational methods originally developed in a given basic science, e.g. physics, can be of paramount importance to other neighboring sciences, e.g. chemistry, as well as ...

BD Veritor System for Rapid Detection of SARS-CoV-2 ...

The BD Veritor™ System for Rapid Detection of SARS-CoV-2 is a chromatographic digital immunoassay intended for the direct and qualitative detection of SARS-CoV-2 nucleocapsid antigens in direct ...