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    BS EN ISO 105-A11-2012 Textiles Tests for colour fastness Determination of colour fastness grades by digital imaging techniques《纺织品 色牢度测试 数字影像技术测定色牢度等级》.pdf

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    BS EN ISO 105-A11-2012 Textiles Tests for colour fastness Determination of colour fastness grades by digital imaging techniques《纺织品 色牢度测试 数字影像技术测定色牢度等级》.pdf

    1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN ISO 105-A11:2012T e x t i l e s T e s t s f o r c o l o u r fastnessPart A11: Determination of colour fastness grades by digital imaging techniquesCopyright European Commit

    2、tee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN ISO 105-A11:2012 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN ISO 105-A11:2012.The UK participation in its p

    3、reparation was entrusted to TechnicalCommittee TCI/81, Colour fastness and colour measurement oftextiles.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are

    4、responsible for its correctapplication. The British Standards Institution 2012. Published by BSI StandardsLimited 2012 ISBN 978 0 580 66212 6 ICS 59.080.01 Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theSt

    5、andards Policy and Strategy Committee on 28 February 2013. Amendments issued since publicationDate Text affectedCopyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-EUROPEAN STANDARD

    6、NORME EUROPENNE EUROPISCHE NORM EN ISO 105-A11 September 2012 ICS 59.080.01 English Version Textiles - Tests for colour fastness - Part A11: Determination of colour fastness grades by digital imaging techniques (ISO 105-A11:2012) Textiles - Essais de solidit des coloris - Partie A11: Dtermination de

    7、s degrs de solidit des coloris par des techniques dimagerie numrique (ISO 105-A11:2012) Textilien - Farbechtheitsprfungen - Teil A11: Bestimmung von Farbechtheitszahlen durch digitale Bildgebungsverfahren (ISO 105-A11:2012) This European Standard was approved by CEN on 14 September 2012. CEN members

    8、 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

    9、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

    10、 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, Lit

    11、huania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Bruss

    12、els 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 105-A11:2012: ECopyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without licens

    13、e from IHS-,-,-BS EN ISO 105-A11:2012EN ISO 105-A11:2012 (E) 3 Foreword This document (EN ISO 105-A11:2012) has been prepared by Technical Committee ISO/TC 38 “Textiles“ in collaboration with Technical Committee CEN/TC 248 “Textiles and textile products” the secretariat of which is held by BSI. This

    14、 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 March 2013, and conflicting national standards shall be withdrawn at the latest by March 2013. Attention is drawn to the possibility that some of the el

    15、ements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this

    16、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, Slovakia,

    17、 Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 105-A11:2012 has been approved by CEN as a EN ISO 105-A11:2012 without any modification. Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo re

    18、production or networking permitted without license from IHS-,-,-BS EN ISO 105-A11:2012ISO 105-A11:2012(E) ISO 2012 All rights reserved iiiContents PageForeword iv1 Scope 12 Normative references . 13 Terms and definitions . 14 Apparatus 24.1 General . 24.2 Digital camera . 24.3 Illumination cabinet 4

    19、Annex A (normative) Assessment of the change in colour of a test specimen . 6Annex B (normative) Assessment of staining of a test specimen 9Annex C (normative) Verification chart 12Annex D (informative) Summary of report and conclusions of international trial for determination of colour fastness gra

    20、des by digital imaging techniques .14Bibliography .16Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN ISO 105-A11:2012ISO 105-A11:2012(E)ForewordISO (the International Organ

    21、ization 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 establish

    22、ed has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.

    23、International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publ

    24、ication as an International Standard requires approval by at least 75 % of the member bodies casting a vote.Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent r

    25、ights.ISO 105-A11 was prepared by Technical Committee ISO/TC 38, Textiles, Subcommittee SC 1, Tests for coloured textiles and colorants.ISO 105 consists of many parts designated by a part letter and a two-digit serial number (e.g. A01), under the general title Textiles Tests for colour fastness. A c

    26、omplete list of these parts is given in ISO 105-A01.iv ISO 2012 All rights reservedCopyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN ISO 105-A11:2012INTERNATIONAL STANDARD IS

    27、O 105-A11:2012(E)Textiles Tests for colour fastness Part A11: Determination of colour fastness grades by digital imaging techniques1 ScopeThis part of ISO 105 specifies the requirement for a digital imaging system for use in the methods specified in Annexes A and B for the determination of change in

    28、 colour and staining by digital imaging techniques.This method is not suitable for assessment of colour fastness to light as described in the ISO 105 B series, as these standards do not use grey scales to assess the specimen.This part of ISO 105 describes apparatus, equipment settings and calibratio

    29、n for the assessment of change in colour, and staining.2 Normative referencesThe following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (includi

    30、ng any amendments) applies.ISO 105-A01, Textiles Tests for colour fastness Part A01: General principles of testingCIE1)Publication S 012/E, Standard method of assessing the spectral quality of daylight simulators for appraisal and measurement of colourCIE Publication 13.3, 1995, Method of measuring

    31、and specifying the colour rendering properties of light sources, 2nd edition3 Terms and definitionsFor the purposes of this document, the following terms and definitions apply.3.1system greycolour of the internal surfaces and apparatus that would normally be visible in a captured imageNOTE System gr

    32、ey shall be approximately between Munsell N5 and N7 and within CIELAB Lightness value of 50 or 70 2,0 and CIELAB Chroma value not exceeding 2,5 in any hue direction under D65 and CIE 1964 standard colorimetric observer, respectively.1) Commission Internationale dclairage, Central Bureau, Kegelgasse

    33、27, A-1030, Vienna, Austria. ISO 2012 All rights reserved 1Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN ISO 105-A11:2012ISO 105-A11:2012(E)3.2verification chart2)chart c

    34、onsisting of a series of colour patches of known colorimetric valuesSee Annex C.3.3system softwaresoftware required to control and operate the digital camera3.4white tiletile whose colour is certified and traceable to a national standardEXAMPLE Standard provided by the National Physical Laboratory i

    35、n the UK.3.5operator-selected areaassessment for either staining or change in colour where the system operator manually selects both the location and size of the specimen test area for the reference and tested pieces3.6automatic gradingassessment for either staining or change in colour where the sys

    36、tem software selects both the location and size of the specimen test area for the reference and tested pieces4 Apparatus4.1 GeneralThe test apparatus consists of a verified digital camera (4.2)3), which is mounted on an illumination cabinet (4.3) that gives a controlled and consistent lighting envir

    37、onment. Specimens may be presented for grading individually, in multiples, or in one of a series of pre-defined templates depending on the type of test being carried out. The operator shall manually select the area to be assessed for grading.Automatic grading (3.6) of specimens is permitted, provide

    38、d that the grades produced by this method agree with those achieved by the Operator-Selected Area method (3.5).The equipment shall be maintained and calibrated or verified, as appropriate, in accordance with the manufacturers instructions.4.2 Digital camera4.2.1 Digital camera specification4.2.1.1 R

    39、esolutionThe digital camera shall have an effective resolution of not less than 3,0 M pixels.2) A verification chart as described in 3.2 and Annex C is manufactured commercially as the DigiEye DigiTizer series camera calibration chart and is available from VeriVide Limited, Quartz Close, Warrens Bus

    40、iness Park, Enderby, Leicester, LE19 4SG, United Kingdom. Tel: +44 (0) 116 2847790; Email: This information is given for the convenience of users of this document and does not constitute an endorsement by ISO of this product.3) The apparatus as described in Clause 4 with software as described in An

    41、nexes A and B manufactured commercially as the DigiEye is available from VeriVide Limited, Quartz Close, Warrens Business Park, Enderby, Leicester, LE19 4SG, United Kingdom. Tel: +44 (0) 116 2847790; Email: . This information is given for the convenience of users of this document and does not consti

    42、tute an endorsement by ISO of this product.2 ISO 2012 All rights reservedCopyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN ISO 105-A11:2012ISO 105-A11:2012(E)4.2.1.2 Optical

    43、zoomThe digital camera shall be capable of capturing the whole of the specimen assessment area in one image. In order for the image quality to be preserved, any adjustment of the focal length of the camera necessary to capture a suitable image shall be by optical means rather than digital.4.2.1.3 PC

    44、 connectionThe camera connection to an external computer is done by using a suitable connection for image capture, download and camera control.4.2.1.4 Camera settingsThe system software (3.3) shall control all camera settings and shutter release operations needed for routine setup and imaging. The s

    45、ystem software shall have a provision to store and set the operating settings required for different grading requirements.4.2.2 Camera mountingThe digital camera shall be mounted on top of the illumination cabinet (4.3) at zero degrees to the normal with respect to the tested specimen. The camera mo

    46、unting shall allow adjustment of the camera lens position to allow parallel alignment to the specimen assessment area.The height of the camera above the assessment area is such that it will accommodate the required focal length of the lens and capture the whole of the defined assessment area within

    47、the image.4.2.3 Camera verification4.2.3.1 GeneralThe function of the camera verification is to verify the camera output for each pixel in an image in terms of CIE XYZ data. The verification is then applied to all subsequent images used for digital grading. The camera calibration is done using a dig

    48、ital verification chart as described in Annex C.4.2.3.2 Verification intervalThe camera shall be verified at system start-up, if the camera settings are changed, and at the manufacturers recommended verification time interval.4.2.3.3 Verification timeThe time and date of the current verification shall be recorded in the system software and be accessible to the user. The system software shall indicate to the user when the recommended verification period has expired.4.2.3.4 Verification performanceThe verification performance of the digital method is expressed i


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