ISO INTERNATIONAL STANDARD 13322-1 Second edition 2014-05-15 Particle size analysis Image analysis methods - Part 1: Static image analysis methods Analyse granulométrique - Méthodes par analyse d'images - Partie 1: Methodes par analyse d'images statiques Reference number ISO 13322-1:2014(E) ISO International Organization for Standardization @IS02014 nitted without license from IHS IS0 13322-1:2014(E) COPYRIGHT PROTECTED DOCUMENT @ISO2014 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56 : CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax +4122 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland Inteationai br DrganizationforStandardization Not for Resale, 2015/3/11 02:18:46 No reproduction or networking permited without license from IHS IS0 13322-1:2014(E) Contents Page Foreword ..iv Introduction. .. 1 Scope. ..1 2 Normative references 3 Terms and definitions and list of symbols ..1 3.1 Terms and definitions .1 3.2 Symbols.... ..4 4 Preparation for image capture .5 4.1 Introduction 4.2 Procedures ..5 5 Sample preparation demands for method description .6 5.1 Sample splitting and reduction. .6 5.2 Touching particles.. .6 5.3 Particle distribution. .6 5.4 Number of particles to be counted ..6 5.5 Particle suspending fluid 1 6 Quality of captured images. .7 6.1 General .7 6.2 Pixels per particle. 1 7 Image analysis. ..8 7.1 General .8 7.2 Size classes and magnification .8 Counting procedure. .9 8.1 General. .9 8.2 Particle image edges. .9 8.3 Particles cut by the edge of the measurement frame 10 8.4 Touching particles. .11 8.5 Measurements. ..12 9 Calculation of the particle size results ..12 10 Calibration and traceability ..12 10.1 General .12 10.2 Recommendationsandreguirements ..13 11 Accuracy .14 11.1 General. ..14 11.2 Reference materials. ..14 11.3 Instrument preparation .14 11.4 Qualification test. 15 11.5 Qualification acceptance. .15 12 Test report .15 Annex A (informative) Estimation of the number of particles to be counted for a given accuracy.17 Annex B (informative) Common segmentation methods for particle edge detection ..22 Annex C (informative) Flow chart showing a typical image analysis method ..23 Bibliography .24 ii icensee=Zhejiang Institute of Standardization 5956617 ed without license from IHS