ISO INTERNATIONAL STANDARD 9276-6 First edition 2008-09-15 Representation of results of particle size analysis Part 6: Descriptive and quantitative representation of particle shape and morphology Representation de donnees obtenues par analyse granulometrique Partie 6: Description et représentation quantitative de la forme et de la morphologie des particules Reference number ISO 9276-6:2008(E) @ ISO 2008 THS unde Not for Resale ISO 9276-6:2008(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The IsO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHT PROTECTED DOCUMENT ISO2008 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing 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. + 4122 749 01 11 Fax + 4122 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ ISO 2008 - All rights reserved I without license from IHS Not for Resale ISO 9276-6:2008(E) Contents Page Foreword Introductior 1 Scope 2 Normative references 3 Symbols and abbreviated terms . 4 Criteria for the evaluation of shape description methods 5 Classification of methods and descriptors... 5.1 General classification ... 5.2 Levels of shape... 5.3 Principles for deriving shape descriptors 6 Errors which can occur in the analysis of a single image 6.1 Generationofshapedescriptors. 6.2 Image resolution .... 6.3 Binarization...... 6.4 Algorithms for calculating shape descriptors 7 Size parameters for normalization of shape descriptors . 8 Shape descriptors ... 10 8.1 Macroshapedescriptors 8.2 Mesoshape descriptors 12 8.3 Combination of shape descriptors 13 8.4 Roughness descriptor ... 14 Annex A (normative) Some computation equations.. Annex B (informative) Examples of methods of presentation of shape and size distribution data......16 Bibliography.. ii from IHS