ETSI TS 103 433-1 V1.3.1 (2020-03)

High-Performance Single Layer High Dynamic Range (HDR) System for use in Consumer Electronics devices; Part 1: Directly Standard Dynamic Range (SDR) Compatible HDR System (SL-HDR1)

RTS/JTC-051-1

General Information

• Status: Published
• Publication Date: 19-Mar-2020
• Technical Committee: BROADCAS - EBU/CENELEC/ETSI on Broadcasting
• Current Stage: 12 - Completion
• Due Date: 20-Mar-2020
• Completion Date: 20-Mar-2020

Standards Content (Sample)

ETSI TS 103 433-1 V1.3.1 (2020-03)






TECHNICAL SPECIFICATION
High-Performance Single Layer High Dynamic Range (HDR)
System for use in Consumer Electronics devices;
Part 1: Directly Standard Dynamic Range (SDR)
Compatible HDR System (SL-HDR1)

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2 ETSI TS 103 433-1 V1.3.1 (2020-03)



Reference
RTS/JTC-051-1
Keywords
broadcasting, content, digital, distribution, HDR,
HDTV, UHDTV, video

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3 ETSI TS 103 433-1 V1.3.1 (2020-03)
Contents
Intellectual Property Rights . 9
Foreword . 9
Modal verbs terminology . 9
Introduction . 10
1 Scope . 12
2 References . 12
2.1 Normative references . 12
2.2 Informative references . 13
3 Definition of terms, symbols, abbreviations and conventions . 14
3.1 Terms . 14
3.2 Symbols . 15
3.2.1 Arithmetic operators . 15
3.2.2 Mathematical functions . 16
3.2.3 Logical operators . 16
3.3 Abbreviations . 16
3.4 Conventions . 17
4 End-to-end system . 17
5 HDR system architecture. 18
6 Dynamic metadata format for signal reconstruction . 18
6.1 Introduction . 18
6.2 Reconstruction metadata syntax . 19
6.2.1 Introduction. 19
6.2.2 Signal reconstruction information . 19
6.2.3 HDR picture characteristics . 20
6.2.4 SDR picture characteristics . 20
6.2.5 Luminance mapping variables . 20
6.2.6 Colour correction adjustment variables . 21
6.2.7 Luminance mapping table . 21
6.2.8 Colour correction table . 21
6.2.9 Gamut mapping variables . 21
6.3 Reconstruction metadata semantics . 22
6.3.1 Introduction. 22
6.3.2 Signal reconstruction information . 23
6.3.2.1 Introduction . 23
6.3.2.2 partID - part indicator of the multi-part document . 23
6.3.2.3 majorSpecVersionID - Major specification version indicator . 23
6.3.2.4 minorSpecVersionID - Minor specification version indicator . 23
6.3.2.5 payloadMode - Payload carriage mode . 23
6.3.2.6 matrixCoefficient - Y'C' C' -to-R'G'B' conversion matrix coefficients . 23
b r
6.3.2.7 chromaToLumaInjection - Chroma to luma injection . 24
6.3.2.8 kCoefficient . 24
6.3.2.9 gamutMappingMode . 24
6.3.3 HDR picture characteristics . 25
6.3.3.1 Introduction . 25
6.3.3.2 hdrPicColourSpace - HDR picture colour space . 25
6.3.3.3 hdrDisplayColourSpace - Colour space of the mastering display used to master the HDR picture . 26
6.3.3.4 hdrDisplayMaxLuminance - HDR mastering display maximum luminance . 26
6.3.3.5 hdrDisplayMinLuminance - HDR mastering display minimum luminance . 26
6.3.4 SDR picture characteristics . 26
6.3.4.1 Introduction . 26
6.3.4.2 sdrPicColourSpace - SDR picture colour space . 26
6.3.4.3 sdrDisplayMaxLuminance - SDR mastering display maximum luminance . 27
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4 ETSI TS 103 433-1 V1.3.1 (2020-03)
6.3.4.4 sdrDisplayMinLuminance - SDR mastering display minimum luminance . 27
6.3.5 Luminance mapping variables . 27
6.3.5.1 Introduction . 27
6.3.5.2 tmInputSignalBlackLevelOffset - Tone Mapping Input Signal Black Level Offset . 27
6.3.5.3 tmInputSignalWhiteLevelOffset - Tone Mapping Input Signal White Level Offset . 27
6.3.5.4 shadowGain - Shadow Gain Control . 28
6.3.5.5 highlightGain - Highlight Gain Control . 28
6.3.5.6 midToneWidthAdjFactor - Mid-Tone Width Adjustment Factor . 28
6.3.5.7 tmOutputFineTuningNumVal - Number of Tone Mapping Output Fine Tuning Function Curve
P oints . 28
6.3.5.8 tmOutputFineTuningX - Tone Mapping Output Fine Tuning Function x values . 28
6.3.5.9 tmOutputFineTuningY - Tone Mapping Output Fine Tuning Function y values . 28
6.3.6 Colour correction adjustment variables . 28
6.3.6.1 Introduction . 28
6.3.6.2 saturationGainNumVal - Number of Saturation Gain Function Curve Points . 28
6.3.6.3 saturationGainX - Saturation Gain Function x values . 29
6.3.6.4 saturationGainY - Saturation Gain Function y values . 29
6.3.7 Luminance mapping table . 29
6.3.7.1 Introduction . 29
6.3.7.2 luminanceMappingNumVal - Number of Luminance Mapping Curve Points . 29
6.3.7.3 luminanceMappingX - Luminance Mapping x values . 29
6.3.7.4 luminanceMappingY - Luminance Mapping y values . 29
6.3.8 Colour correction table . 30
6.3.8.1 Introduction . 30
6.3.8.2 colourCorrectionNumVal - Number of Colour Correction Curve Points. 30
6.3.8.3 colourCorrectionX - Colour Correction x values . 30
6.3.8.4 colourCorrectionY - Colour Correction y values . 30
6.3.9 Gamut mapping variables . 30
6.3.9.1 Introduction . 30
6.3.9.2 satMappingMode - Saturation mapping mode . 30
6.3.9.3 satGlobal1SegRatio . 31
6.3.9.4 satGlobal2SegRatioWCG . 31
6.3.9.5 satGlobal2SegRatioSCG . 31
6.3.9.6 sat1SegRatio. 31
6.3.9.7 sat2SegRatioWCG . 31
6.3.9.8 sat2SegRatioSCG . 31
6.3.9.9 lightnessMappingMode . 32
6.3.9.10 lmWeightFactor . 32
6.3.9.11 croppingModeSCG . 32
6.3.9.12 cmWeightFactor . 32
6.3.9.13 cmCroppedLightnessMappingEnabledFlag . 32
6.3.9.14 hueAdjMode. 33
6.3.9.15 hueGlobalPreservationRatio. 33
6.3.9.16 huePreservationRatio . 33
6.3.9.17 hueAlignCorrectionPresentFlag . 33
6.3.9.18 hueAlignCorrection . 33
6.3.9.19 chromAdjPresentFlag . 33
6.3.9.20 chromAdjParam . 33
7 HDR signal reconstruction process . 34
7.1 Input streams . 34
7.2 Reconstruction process of the HDR stream . 34
7.2.1 Introduction. 34
7.2.2 Selecting a reconstruction mode . 35
7.2.3 Luminance mapping and colour correction tables construction . 35
7.2.3.1 Luminance mapping table construction from variables (payloadMode 0) . 35
7.2.3.1.1 Introduction . 35
7.2.3.1.2 Overview of the computation of lutMapY . 35
7.2.3.1.3 Block "To perceptual uniform signal" . 36
7.2.3.1.4 Block "Adjustment curve" . 37
7.2.3.1.5 Block "Inverse tone mapping curve" . 37
7.2.3.1.6 Block "Black/white level adaptation" . 39
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5 ETSI TS 103 433-1 V1.3.1 (2020-03)
7.2.3.1.7 Block "Gain limiter" . 40
7.2.3.1.8 Block "To linear signal" . 40
7.2.3.1.9 Block "Inverse EOTF" . 40
7.2.3.2 Colour correction table construction from parameter-based mode (payloadMode 0) . 41
7.2.3.3 Luminance mapping table retrieval (payloadMode 1) . 42
7.2.3.4 Colour correction table retrieval (payloadMode 1) . 42
7.2.4 HDR picture reconstruction from look-up tables and SDR picture . 42
7.3 Piecewise linear function computation . 44
Annex A (normative): SL-HDR reconstruction metadata using HEVC . 45
A.1 Introduction . 45
A.2 SL-HDR Information SEI message definition and mapping . 45
A.2.1 Introduction . 45
A.2.2 SL-HDR Information SEI message . 45
A.2.2.1 Introduction. 45
A.2.2.2 SL-HDR Information SEI message syntax . 45
A.2.2.3 Gamut mapping syntax . 47
A.2.2.4 SL-HDR Information SEI message semantics . 48
A.2.2.5 Gamut mapping semantics . 52
A.2.3 SL-HDR metadata mapping . 54
A.2.3.1 Introduction. 54
A.2.3.2 Signal reconstruction information . 54
A.2.3.2.1 Introduction . 54
A.2.3.2.2 partID mapping . 54
A.2.3.2.3 majorSpecVersionID mapping . 54
A.2.3.2.4 minorSpecVersionID mapping . 54
A.2.3.2.5 payloadMode mapping . 54
A.2.3.2.6 matrixCoefficient mapping . 54
A.2.3.2.7 chromaToLumaInjection mapping . 54
A.2.3.2.8 kCoefficient mapping . 54
A.2.3.2.9 gamutMappingMode mapping . 54
A.2.3.3 HDR picture characteristics . 55
A.2.3.3.1 Introduction . 55
A.2.3.3.2 hdrPicColourSpace mapping . 55
A.2.3.3.3 hdrDisplayColourSpace mapping . 55
A.2.3.3.4 hdrDisplayMaxLuminance mapping . 56
A.2.3.3.5 hdrDisplayMinLuminance mapping . 56
A.2.3.4 SDR picture characteristics . 57
A.2.3.4.1 Introduction . 57
A.2.3.4.2 sdrPicColourSpace mapping . 57
A.2.3.4.3 sdrDisplayMaxLuminance mapping . 57
A.2.3.4.4 sdrDisplayMinLuminance mapping . 57
A.2.3.5 Luminance mapping variables . 57
A.2.3.5.1 Introduction . 57
A.2.3.5.2 tmInputSignalBlackLevelOffset mapping . 57
A.2.3.5.3 tmInputSignalWhiteLevelOffset mapping . 57
A.2.3.5.4 shadowGain mapping . 57
A.2.3.5.5 highlightGain mapping . 58
A.2.3.5.6 midToneWidthAdjFactor mapping . 58
A.2.3.5.7 tmOutputFineTuningNumVal mapping . 58
A.2.3.5.8 tmOutputFineTuningX mapping . 58
A.2.3.5.9 tmOutputFineTuningY mapping . 58
A.2.3.6 Colour correction adjustment variables . 58
A.2.3.6.1 Introduction . 58
A.2.3.6.2 saturationGainNumVal mapping . 58
A.2.3.6.3 saturationGainX mapping . 58
A.2.3.6.4 saturationGainY mapping . 58
A.2.3.7 Luminance mapping table . 58
A.2.3.7.1 Introduction . 58
A.2.3.7.2 luminanceMappingNumVal mapping . 58
A.2.3.7.3 luminanceMappingX mapping . 59
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6 ETSI TS 103 433-1 V1.3.1 (2020-03)
A.2.3.7.4 luminanceMappingY mapping . 59
A.2.3.8 Colour correction table . 59
A.2.3.8.1 Introduction . 59
A.2.3.8.2 colourCorrectionNumVal mapping . 59
A.2.3.8.3 colourCorrectionX mapping . 59
A.2.3.8.4 colourC
...