Non-destructive testing - Radiation methods for computed tomography - Part 4: Qualification (ISO 15708-4:2017)

ISO 15708-4:2017 specifies guidelines for the qualification of the performance of a CT system with respect to various inspection tasks.
It is applicable to industrial imaging (i.e. non-medical applications) and gives a consistent set of CT performance parameter definitions, including how those performance parameters relate to CT system specifications.
ISO 15708-4:2017 deals with computed axial tomography and excludes other types of tomography such as translational tomography and tomosynthesis.

Zerstörungsfreie Prüfung - Durchstrahlungsverfahren für Computertomografie - Teil 4: Qualifizierung (ISO 15708-4:2017)

Dieses Dokument legt Leitlinien für die Qualifizierung des Leistungsverhaltens eines CT-Systems unter Beachtung verschiedener Prüfaufgaben fest.
Es gilt für die industrielle Bildgebung (d. h. nicht medizinische Anwendungen) und bietet einen einheitlichen Satz von Festlegungen zu CT-Leistungsparametern, einschließlich der Art des Zusammenhangs dieser Leistungsparameter mit den Spezifikationen des CT-Systems.
Dieses Dokument befasst sich mit der axialen Computertomographie und schließt weitere Arten der Tomographie, wie z. B. Translationstomographie und Tomosynthese, aus.

Essais non destructifs - Méthodes par rayonnements pour la tomographie informatisée - Part 4: Qualification (ISO 15708-4:2017)

Le présent document décrit des lignes directrices pour qualifier la performance d'un système TI par rapport à différentes tâches d'examen.
Il est applicable à l'imagerie industrielle (c'est-à-dire aux applications non médicales) et donne un ensemble cohérent de définitions des paramètres de performance de la TI, y compris la façon dont ces paramètres sont reliés aux spécifications du système TI.
Le présent document traite de la tomographie axiale informatisée et exclut les autres types de tomographie, tels que la tomographie par translation et la tomosynthèse.

Neporušitvene preiskave - Sevalne metode za računalniško tomografijo - 4. del: Usposobljenost (ISO 15708-4:2017)

Standard ISO 15708-4:2017 določa smernice za oceno usposobljenosti delovanja sistema računalniške tomografije glede na različne kontrolne naloge.
Uporablja se za slikanje v industriji (npr. v nemedicinske namene) in podaja dosleden sklop definicij podatkov delovanja računalniške tomografije, vključno s tem, kako so podatki delovanja povezani s specifikacijami sistema računalniške tomografije.
Standard ISO 15708-4:2017 obravnava računalniško aksialno tomografijo in izključuje druge vrste tomografij, kot so translacijska tomografija in tomosinteza.

General Information

Status
Published
Publication Date
26-Mar-2019
Withdrawal Date
29-Sep-2019
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
27-Mar-2019
Due Date
29-Nov-2020
Completion Date
27-Mar-2019

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SLOVENSKI STANDARD
01-julij-2019
Nadomešča:
SIST EN 16016-4:2012
Neporušitvene preiskave - Sevalne metode za računalniško tomografijo - 4. del:
Usposobljenost (ISO 15708-4:2017)
Non-destructive testing - Radiation methods for computed tomography - Part 4:
Qualification (ISO 15708-4:2017)
Zerstörungsfreie Prüfung - Durchstrahlungsverfahren für Computertomografie - Teil 4:
Qualifizierung (ISO 15708-4:2017)
Essais non destructifs - Méthodes par rayonnements pour la tomographie informatisée -
Part 4: Qualification (ISO 15708-4:2017)
Ta slovenski standard je istoveten z: EN ISO 15708-4:2019
ICS:
19.100 Neporušitveno preskušanje Non-destructive testing
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 15708-4
EUROPEAN STANDARD
NORME EUROPÉENNE
March 2019
EUROPÄISCHE NORM
ICS 19.100 Supersedes EN 16016-4:2011
English Version
Non-destructive testing - Radiation methods for computed
tomography - Part 4: Qualification (ISO 15708-4:2017)
Essais non destructifs - Méthodes par rayonnements Zerstörungsfreie Prüfung - Durchstrahlungsverfahren
pour la tomographie informatisée - Part 4: für Computertomografie - Teil 4: Qualifizierung (ISO
Qualification (ISO 15708-4:2017) 15708-4:2017)
This European Standard was approved by CEN on 11 February 2019.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 15708-4:2019 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
The text of ISO 15708-4:2017 has been prepared by Technical Committee 135 "Non-destructive testing”
of the International Organization for Standardization (ISO) and has been taken over as EN ISO 15708-
4:2019 by Technical Committee CEN/TC 138 “Non-destructive testing” the secretariat of which is held
by AFNOR.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by September 2019, and conflicting national standards
shall be withdrawn at the latest by September 2019.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 16016-4:2011.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,
Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
Endorsement notice
The text of ISO 15708-4:2017 has been approved by CEN as EN ISO 15708-4:2019 without any
modification.
INTERNATIONAL ISO
STANDARD 15708-4
First edition
2017-02
Non-destructive testing — Radiation
methods for computed tomography —
Part 4:
Qualification
Essais non destructifs — Méthodes par rayonnements pour la
tomographie informatisée —
Partie 4: Qualification
Reference number
ISO 15708-4:2017(E)
©
ISO 2017
ISO 15708-4:2017(E)
© ISO 2017, Published in Switzerland
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form
or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior
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
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copyright@iso.org
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ii © ISO 2017 – All rights reserved

ISO 15708-4:2017(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Qualification of the inspection . 1
4.1 General . 1
4.2 Qualification of defect testing . 2
4.2.1 General. 2
4.2.2 Quality feature . 2
4.2.3 Feature detectability/test system/system parameterisation . 2
4.2.4 Verification of suitability . 3
4.2.5 Consistency check . 3
4.2.6 Documentation . 4
4.3 Qualification of dimensional testing . 4
4.3.1 General. 4
4.3.2 Test and measurement task . 4
4.3.3 Dimensional testing/test system/system parameterisation . 4
4.3.4 Degree of accuracy . 5
4.3.5 Consistency check . 5
4.3.6 Documentation . 5
5 Qualification of the CT system . 6
5.1 General . 6
5.2 Integral overall system test . 6
5.3 Checking the system components . 6
5.3.1 General. 6
5.3.2 Manipulation system . 6
5.3.3 Image scale . 6
5.3.4 Beam axis perpendicularity . 6
5.3.5 Tube focal spot . 7
5.3.6 Tube stability . 7
5.3.7 Detector . 7
5.3.8 Reconstruction . 7
5.3.9 Visualization . 7
5.4 Documentation . 7
6 Example of CT system resolution evaluation methods . 7
6.1 Pre-amble . 7
6.2 Acquisition parameters . 8
6.3 Recommendations for creating reference objects . 8
6.4 Density resolution measurement method. 9
6.4.1 General. 9
6.4.2 High energy reference object . 9
6.4.3 Low energy reference object . 9
6.4.4 Experimental measurements . 9
Bibliography .11
ISO 15708-4:2017(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established h
...

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