TEXTURAL DESCRIPTORS FOR MULTIPHASIC ORE PARTICLES

<p class="a">Monitoring of mineral processing circuits by means of particle liberation analysis through quantitative image analysis has become a routine technique within the last decades. Usually, liberation indices are computed as weight proportions, which is not informative enough...

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Hoofdauteurs: Laura Pérez-Barnuevo, Eric Pirard, Ricardo Castroviejo
Formaat: Artikel
Taal:English
Gepubliceerd in: Slovenian Society for Stereology and Quantitative Image Analysis 2012-11-01
Reeks:Image Analysis and Stereology
Onderwerpen:
Online toegang:http://www.ias-iss.org/ojs/IAS/article/view/948
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author Laura Pérez-Barnuevo
Eric Pirard
Ricardo Castroviejo
author_facet Laura Pérez-Barnuevo
Eric Pirard
Ricardo Castroviejo
author_sort Laura Pérez-Barnuevo
collection DOAJ
description <p class="a">Monitoring of mineral processing circuits by means of particle liberation analysis through quantitative image analysis has become a routine technique within the last decades. Usually, liberation indices are computed as weight proportions, which is not informative enough when complex texture ores are treated by flotation. In these cases, liberation has to be computed as phase surface exposed to reactants, and textural relationships between minerals have to be characterized to determine the possibility of increasing exposure. In this paper, some indices to achieve a complete texture characterization have been developed in terms of 2D phase contact and mineral surfaces exposure. Indices suggested by other authors are also compared. The response of this set of parameters against textural changes has been explored on simple synthetic textures ranging from single to multiple inclusions and single to multiple veins and their ability to discriminate between different textural features is analyzed over real mineral particles with known internal structure.</p>
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spelling doaj.art-7af8c6d7f0324ed98e9eb04fdceef03c2022-12-21T18:56:39ZengSlovenian Society for Stereology and Quantitative Image AnalysisImage Analysis and Stereology1580-31391854-51652012-11-0131317518410.5566/ias.v31.p175-184878TEXTURAL DESCRIPTORS FOR MULTIPHASIC ORE PARTICLESLaura Pérez-Barnuevo0Eric Pirard1Ricardo Castroviejo2Universidad Politécnica de Madrid, Escuela de Ingenieros de Minas, C/ Ríos Rosas, 21, 28003 MadridUniversité de Liege, GeMMe, Georesources and Geo-imaging Lab Sart Tilman B52, 4000 LiegeUniversidad Politécnica de Madrid, Escuela de Ingenieros de Minas, C/ Ríos Rosas, 21, 28003 Madrid<p class="a">Monitoring of mineral processing circuits by means of particle liberation analysis through quantitative image analysis has become a routine technique within the last decades. Usually, liberation indices are computed as weight proportions, which is not informative enough when complex texture ores are treated by flotation. In these cases, liberation has to be computed as phase surface exposed to reactants, and textural relationships between minerals have to be characterized to determine the possibility of increasing exposure. In this paper, some indices to achieve a complete texture characterization have been developed in terms of 2D phase contact and mineral surfaces exposure. Indices suggested by other authors are also compared. The response of this set of parameters against textural changes has been explored on simple synthetic textures ranging from single to multiple inclusions and single to multiple veins and their ability to discriminate between different textural features is analyzed over real mineral particles with known internal structure.</p>http://www.ias-iss.org/ojs/IAS/article/view/948image analysislinear intercepts methodmineral liberationmineral processingtexture characterization
spellingShingle Laura Pérez-Barnuevo
Eric Pirard
Ricardo Castroviejo
TEXTURAL DESCRIPTORS FOR MULTIPHASIC ORE PARTICLES
Image Analysis and Stereology
image analysis
linear intercepts method
mineral liberation
mineral processing
texture characterization
title TEXTURAL DESCRIPTORS FOR MULTIPHASIC ORE PARTICLES
title_full TEXTURAL DESCRIPTORS FOR MULTIPHASIC ORE PARTICLES
title_fullStr TEXTURAL DESCRIPTORS FOR MULTIPHASIC ORE PARTICLES
title_full_unstemmed TEXTURAL DESCRIPTORS FOR MULTIPHASIC ORE PARTICLES
title_short TEXTURAL DESCRIPTORS FOR MULTIPHASIC ORE PARTICLES
title_sort textural descriptors for multiphasic ore particles
topic image analysis
linear intercepts method
mineral liberation
mineral processing
texture characterization
url http://www.ias-iss.org/ojs/IAS/article/view/948
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AT ericpirard texturaldescriptorsformultiphasicoreparticles
AT ricardocastroviejo texturaldescriptorsformultiphasicoreparticles