1、 IEC TR 62977-3-2 Edition 1.0 2016-01 TECHNICA L REPOR T Electronic display dev ices Part 3-2:Ev aluation of optical characteristics Mura IEC TR 62977-3-2:2016-01(en)colourinsideInternational Electrotechnical Commission THIS PUBLICA TION IS COPYRIGHT PROTECTED Copyright 2016 IEC,Geneva,Switzerland A
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11、Ev aluation of optical characteristics Mura INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 31.120;31.260 ISBN 978-2-8322-3118-0 R egist er ed tr ademar k of t he Int er national Electr ot echnical Commission Warning!Make sure that you obtained this publication from an authorized distributor.colourins
12、ideInternational Electrotechnical Commission 2 IEC TR 62977-3-2:2016 IEC 2016 CONTENTS FOREWORD.4 INTRODUCTION.6 1 Scope.7 2 Normative references.7 3 Terms and definitions.7 4 Standard measuring conditions.8 4.1 Standard measuring conditions.8 4.1.1 Standard measuring environmental conditions.8 4.1.
13、2 Standard measuring darkroom conditions.8 4.2 Light measuring device(LMD).8 4.3 Measuring setup.9 4.4 Test signal.9 4.5 Measuring conditions.10 5 Standard evaluation method.10 5.1 Measurement data processing method.10 5.2 Measurement data processing flow.10 5.2.1 General.10 5.2.2 Median filter proc
14、ess.11 5.2.3 Transformation to opponent colour space from CIE XYZ.12 5.2.4 Convolution with the contrast sensitivity function(CSF)of the human visual system.12 5.2.5 Transformation to CIE XYZ from the opponent colour space.12 5.2.6 Transformation to CIELAB from CIE XYZ.12 5.2.7 a*correction.13 5.3 M
15、ura evaluation method.13 5.3.1 General.13 5.3.2 Lightness mura evaluation.13 5.3.3 Chroma mura evaluation.15 5.3.4 Mura evaluation.16 5.3.5 Measurement report.16 6 Actual example.17 6.1 General.17 6.2 Evaluation objects.17 6.3 Subjective evaluation.17 6.4 Evaluation by the method indicated inthis do
16、cument using apparatus.18 6.5 Correlation between subjective evaluation and mura evaluation value.19 Annex A(informative)S-CIELAB model.20 A.1 General.20 A.2 S-CIELAB model.20 A.3 Spatial sensitivity function model(two-dimensional CSF model).20 Annex B(informative)Type of mura.24 B.1 General.24 B.2 Classification of mura.24 Annex C(informative)Use case of a mura evaluation value.26 C.1 General.26 International Electrotechnical Commission IEC TR 62977-3-2:2016 IEC 2016 3 C.2 Example of a use case