Dec 01, 2019 0183 32 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...

Oct 18, 2021 0183 32 Experimental results showed that the proposed method improves the detection accuracy of coal and gangue objects by 08 compared with the previous methods, reaching up ,...

set of curved line segments termed edg The same problem of finding discontinuities in 1D signals is known as step detection and the problem of finding signal BW = edge I discontinuities over time is known as change detection Edge detection is a fundamental tool in image processing....

Sixth Wave is a nanotechnology company focused on extraction and detection of target substances at the molecular level using its patented technologies in the highly specialized field of molecularly imprinted polymers Sixth Wave has commercialized IXOS®, a line of ,...

Mar 28, 2021 0183 32 In order to solve the problems of high time complexity and window redundancy in the traditional target detection algorithm based on artificial features, this paper proposes an end-to-end single-stage coal gangue detection algorithm based on deep learning In view of the complex network structure and huge network parameters of SSD model, SSD-MobileNet network, which is combined ,...

the process of performing intrusion detection and attempting to stop detected possible incidents Intrusion detection and prevention systems IDPS 1 are primarily focused on identifying possible incidents, logging information about them, attempting to stop them, and reporting them to security administrators In...

The life cycle of mining begins with exploration, continues through production, and ends with closure and postmining land use New technologies can benefit the mining industry and consumers in all stages of this life cycle This report does not include downstream processing, such as smelting of ....

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 ....

It is difficult to form a method for recognizing the degree of infiltration of a tunnel lining To solve this problem, we propose a recognition method by using a deep convolutional neural network We carry out laboratory tests, prepare cement mortar specimens with different saturation levels, simulate different degrees of infiltration of tunnel concrete linings, and establish an infrared ....

Feb 14, 2021 0183 32 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 ,...

xView is one of the largest publicly available datasets of overhead imagery It contains images from complex scenes around the world, annotated using bounding box The DIUx xView 2018 Detection Challenge is focused on accelerating progress in four computer vision frontiers 1 Reduce minimum resolution for detection...

Sep 12, 2021 0183 32 Coal gangue detection and recognition algorithm based on deformable convolution YOLOv3 De-yong Li , Guo-fa Wang , Yong Zhang , Shuang Wang , ,...

Sep 27, 2019 0183 32 Hough transform is a feature extraction method used in image analysis Hough transform can be used to isolate features of any regular curve ,...

Jan 02, 2021 0183 32 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...

Feb 29, 2016 0183 32 The difference between the specific gravity of gold 190 and the low specific gravity of the gangue 27 makes gravity concentration the primary means of recovery free gold particl In general, gravity separation has some advantages over flotation and leaching, it needs significant lower capital investment, less power and low handling costs...

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 hand samples from thirteen different source locations and Specim hyperspectral short wave infrared SWIR hyperspectral imag Band ratio methods and logistic regression models were developed based on ....

May 17, 2021 0183 32 Importance Less than 10 of patients with cancer have detectable pathogenic germline alterations, which may be partially due to incomplete pathogenic variant detection Objective To evaluate if deep learning approaches identify more germline pathogenic variants in patients with cancer Design, setting, and participants A cross-sectional study of a standard germline detection method ,...

IoT based Line Fault Detection and MonitoringInternet of Thing IoT Cable and Line fault detection and Location Type of Line FaultArduino UNO and IoThttps //....

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...

Jan 09, 2018 0183 32 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 ....

Bridge Detection And Monitoring Mechanical Testing Of Materials Acoustic emission testing of pressure vessels Acoustic emission testing of atmospheric storage tank Acoustic emission detection of pipeline leakage Acoustic emission detection of gas cylinder Online Message...

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...

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...

The urban, coal and coal gangue, and water areas increased rapidly in line with the growth in mine production Urban areas increased from 938 to 2092 and showed a tendency to increase around the coal min From 1989 to 2013 the coal and coal gangue area increased by 40-fold, from 002 to 058...

This paper aims to conduct gangue segmentation using a U-shape fully convolutional neural network U-Net trained to segment gangue from raw coal images collected under complex environmental conditions Sorting gangue from raw coal is an essential concern in coal mining engineering Prior to separation, the location and shape of the gangue should be extracted from the raw coal image...

Nov 11, 2021 0183 32 This Colab demonstrates use of a TF-Hub module trained to perform object detection Setup Imports and function definitions For running inference on the TF-Hub module import tensorflow as tf import tensorflow_hub as hub For downloading the image import matplotlibpyplot as plt import tempfile from sixmovurllibrequest import urlopen from six import BytesIO For drawing onto the ,...

center line and th e center line of the im proved YOLOv4 reaches the highes t , Framework for Coal and Gangue Detection, IEEE Access, vol 7, pp 184686-184699, Dec 2019...

Feb 25, 2020 0183 32 Online mineral control is commonly executed with X-ray fluorescence detection or laser-induced breakdown spectroscopy, which detect the elements of the minerals during flotation Unfortunately, in case of sulfide ores, the method suffers from inadequate detection of lightweight materials such as sulfur and the common nature of iron, as iron is ....

Table 1 gives the detection performance of the testing database As can be seen in Figure 9, solid line represents the threshold for fault detection, and asterisks are statistics of each normal video sample Triangles and diamonds are the samples with fault A and fault B The total fault detection accuracy on the database is 9383...

This tutorial explains simple blob detection using OpenCV What is a Blob? A Blob is a group of connected pixels in an image that share some common property Eg grayscale value In the image above, the dark connected regions are blobs, and the goal of blob detection is to identify and mark these regions SimpleBlobDetector Example...