GB/T 38879-2020 in English

VALID

Particle- -Size analysis- Color image analysis methods

Issued on:2020-06-02
Implemented on:2020-08-01
File Format:PDF
Delivery:Within 1 day

Price(USD)： $224.00
$218.00

Standard No:	GB/T 38879-2020
Document status:	VALID
Title in English:	Particle- -Size analysis- Color image analysis methods
Title in Chinese:	颗粒粒度分析彩色图像分析法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Within 1 day
Issued on:	2020-06-02
Implemented on:	2020-08-01
ICS Classification:	19.120-Particle size analysis. sieving
Chinese Classification:	A28-Sieving, Sieve Plate and Sieve Screen
Professional Classification:	GB-National Standard
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Analysis Particle Size Analysis Particle Size Analysis Product Granularity Spatial Analysis Diagram Granularity d Particle size analysis method granule base granule Particle size analyzer particles Horiba particle size analyzer weather map analysis Particle Size and Granularity Granular Analysis Definition Particle Analysis of Soil granular processing granular processing Parametric Granules Atmospheric particle size analysis Image Analyzer Method Particle size range Particle size analysis experiment Particle size and shape detection Atomization particle size granular meta-analysis Particle Analysis Definition Irregular Particle Size Particle size analysis in general how much primary particle size Used Particle Analyzers How to analyze particle size analysis Soil particle analysis method fine-grained analysis methods Flue gas particulate analysis How does the particle size analyzer analyze data image preprocessing Spectrophotometric Granularity Algorithm Granularity Algorithm granularity Particle size by UV spectroscopy Granularity Representation Method Primary Particle Size Analysis Method Particle Analysis Average Particle Size SEM analysis of particles Particle size mass spectrometry Multi-grain analysis technology range of particles Particle size detection analysis Particle Analysis Imaging flow particle imaging Particle size analyzer Flow Image Particle Analyzer Particle size analyzer use particle temperature GBT38879 GB/T 38879-2020 Standard Analysis Methods for Particulate Matter How to analyze particle size distribution diagram Particle Size Analysis Volume Density Atlas of Traditional Chinese Medicine Granules dsc image analysis PUC18 plasmid map Analyze XRD images Particle image detector n in particle size analyzer sp2 granularity Particle sphericity analysis DTG image analysis Chromatogram analysis Organoid image analysis particles psd Cylinder particle size Particle size analysis standard deviation σ granularity Particle color test method How to Analyze Particle Size Normal Distribution Chart Standard chromatogram analysis What are the methods for particle size composition analysis? Metallographic diagram analysis In vivo imaging analysis methods Automatic particulate matter analysis methods include Soil particle analysis and evaluation Technical granularity Image Analysis Test The most commonly used particle analysis methods are Standard Color Image Test Analysis Granular execution Methods for refining analysis of particle size Granularity median plotting method The development history of particle size analysis methods Particle roundness Particle size distribution analysis methodology validation Crystal image analysis Millimeter particle size detection method Particle size analysis standard sample Set problem analysis granularity Electromyography Analysis Methods Particle size represents the international Product classification granularity Particulate Matter Analysis Methods and Examples Analysis method of small particle impurity components Analytical methods for particulate matter

《GB/T 38879-2020颗粒粒度分析彩色图像分析法》由TC168（全国颗粒表征与分检及筛网标准化技术委员会）归口，TC168SC1（全国颗粒表征与分检及筛网标准化技术委员会颗粒分会）执行，主管部门为国家标准化管理委员会。

Introduction

Analysis of the core content of the standard

Technical elements	Traditional grayscale method	Color image method
Information dimension	Single-channel grayscale	RGB/CIELAB/HSV three-channel
Segmentation accuracy	70-85%	92-98%
Adhesion particle processing	Mechanical separation	Color space clustering

Key technology implementation path

1. Sample preparation specifications

The standard requires that samples must meet the following requirements: dispersion> 95%, background contrast> 30%. Core samples are prepared according to GB/T29172-2012, and the surface tension coefficient of emulsion samples must be controlled at 0.02-0.05N/m.

2. Image acquisition parameters

Optical magnification selection formula: M=20/D_max (D_max is the estimated maximum particle size)
Light source intensity adjustment range: LED ring light source 1500-3000lux is recommended

Solutions to implementation difficulties

Case: Petroleum core particle analysis

When using a polarizing microscope to acquire images:

Normalize the L* component in the CIELAB space (μ=65±5)
Set FCM clustering parameters: c=3, m=2, ε=0.001
The segmentation error of adhered particles is reduced from 28% of the traditional method to 6.5%

Standard Evolution Analysis

Compared with the static image method of GB/T21649.1-2008, this standard:

Added a color moment feature quantization method
Introduced the Legendre inertia ellipse morphological parameters
Specified that the test frame overlap rate is ≤15%

More samples: NB/T 47013.2-2015 GB 18306-2015 DL/T 5154-2012

Sample only — not a preview of GB/T 38879-2020

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