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7cdb97bcca7f023e614e76dfab212628 | 103 436 | 10 Remote attestation service | |
7cdb97bcca7f023e614e76dfab212628 | 103 436 | 10.1 Applicability | The Remote Attestation service shall apply only for Tier#3 devices. |
7cdb97bcca7f023e614e76dfab212628 | 103 436 | 10.2 Scope of remote attestation service | The scope of the remote attestation service is to provide evidence to the requesting party of the following platform states: • compliance to the essential requirements of Directive 2014/53/EU [i.13] by the market surveillance authority; NOTE 1: The attesting party, the RE, is not expected to identify the localized RED ... |
7cdb97bcca7f023e614e76dfab212628 | 103 436 | 10.3 Dependencies of remote attestation service | The remote attestation service shall extend the non-repudiation and local access control services of the RE to identify the requesting party. The requesting party shall indicate to the RE, acting as the attesting party, the form of attestation to be supplied. |
7cdb97bcca7f023e614e76dfab212628 | 103 436 | 11 Configuration control service | |
7cdb97bcca7f023e614e76dfab212628 | 103 436 | 11.1 Overview | The security aspects of the configuration control service extend the capability of the RRS-CM entity to specifically address the requirement to only allow installation and operation of RAPs that are listed in the RE Configuration Policy. |
7cdb97bcca7f023e614e76dfab212628 | 103 436 | 11.2 RE Configuration record format | The RE Configuration record shall be provided by the manufacturer in a machine readable format consistent with that used in the Policy Enforcement Engine (PEE) (see clause 9). NOTE: The RE Configuration record format required for the PEE is not specified in detail as it is internal to the device and is not expected to ... |
7cdb97bcca7f023e614e76dfab212628 | 103 436 | 11.3 Policy enforcement | |
7cdb97bcca7f023e614e76dfab212628 | 103 436 | 11.3.1 XACML Model | The eXtensible Access Control Markup Language (XACML) provides a model for policy enforcement that has broad commonality to any generic model of distributed access control. The architecture and message exchange model is shown in figure 7. The entities involved are: • Policy Enforcement Point (PEP) • Policy Decision Poi... |
7cdb97bcca7f023e614e76dfab212628 | 103 436 | 11.3.2 TCG TPM Model | The policy enforcement model described by the TCG in the TPM architecture is one of extended authorization built around the content of the various TPM elements. Examples cited in [25] include: • limitations to the use of a key unless selected PCR have specific values; • limitations to the use of a key after a specific ... |
7cdb97bcca7f023e614e76dfab212628 | 103 436 | 11.5 Long-term management service | The long-term management service enables the transfer of Conformity Contact Entity, and the associated authority responsible for maintenance of the RE Configuration Record, for the RRS Platform from one entity to another. The RE, and the supply chain associated to it, shall be able to demonstrate the identity of the cu... |
3fc6f7f5d3388978f2bf64db0ee8ed89 | 103 410-12 | 1 Scope | The present document presents SAREF4GRID, an extension of SAREF for the Smart Grid domain. |
3fc6f7f5d3388978f2bf64db0ee8ed89 | 103 410-12 | 2 References | |
3fc6f7f5d3388978f2bf64db0ee8ed89 | 103 410-12 | 2.1 Normative references | References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the referenced document (including any amendments) applies. Referenced documents which a... |
3fc6f7f5d3388978f2bf64db0ee8ed89 | 103 410-12 | 2.2 Informative references | References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the referenced document (including any amendments) applies. NOTE: While any hyperlinks i... |
3fc6f7f5d3388978f2bf64db0ee8ed89 | 103 410-12 | 3 Definition of terms, symbols and abbreviations | |
3fc6f7f5d3388978f2bf64db0ee8ed89 | 103 410-12 | 3.1 Terms | For the purposes of the present document, the following terms apply: ontology: formal specification of a conceptualization, used to explicit capture the semantics of a certain reality |
3fc6f7f5d3388978f2bf64db0ee8ed89 | 103 410-12 | 3.2 Symbols | Void. |
3fc6f7f5d3388978f2bf64db0ee8ed89 | 103 410-12 | 3.3 Abbreviations | For the purposes of the present document, the following abbreviations apply: COSEM Companion Specification for Energy Metering DLMS Device Language Message Specification GPS Global Positioning System MAC Media Access Control OBIS OBject Identification System OLTC On-Load Tap Changer OWL Web Ontology Language PRIME Powe... |
3fc6f7f5d3388978f2bf64db0ee8ed89 | 103 410-12 | 4 SAREF4GRID ontology and semantics | |
3fc6f7f5d3388978f2bf64db0ee8ed89 | 103 410-12 | 4.1 Introduction and overview | The present document is a technical specification of SAREF4GRID, an extension of SAREF for the Smart Grid domain. This extension has been created by investigating resources from potential stakeholders of the ontology, such as standardization initiatives, associations, and existing ontologies and standards, as reported ... |
3fc6f7f5d3388978f2bf64db0ee8ed89 | 103 410-12 | 4.2 SAREF4GRID | 4.2.1 General Overview An overview of the SAREF4GRID ontology is provided in Figures 1, 2, 3 and 4. For all the entities described in the present document, it is indicated whether they are defined in the SAREF4GRID extension or elsewhere by the prefix included before their identifier, i.e. if the element is defined in ... |
3fc6f7f5d3388978f2bf64db0ee8ed89 | 103 410-12 | 4.2.2 Meter | Figure 5 provides an overview of how to represent an electric grid meter using the s4grid:GridMeter class. The representation of electric grid meters and their properties has been extracted from the DLMS/COSEM standard (IEC 62056-1-0:2014 [i.2]). Unlike in other SAREF extensions, meter-specific information is not defin... |
3fc6f7f5d3388978f2bf64db0ee8ed89 | 103 410-12 | 4.2.3 Firmware | SAREF4GRID allows describing the identification information related to administration and maintenance of meters by means of the s4grid:Firmware class, as presented in Figure 7. They are not communication parameters but support device management. The representation of the firmware of a meter has been extracted from IEC ... |
3fc6f7f5d3388978f2bf64db0ee8ed89 | 103 410-12 | 4.2.4 Network interface | SAREF4GRID allows describing the MAC address of the physical device (or, more generally, of a device or software) by means of the s4grid:NetworkInterface class, as presented in Figure 8. There shall be an instance of this class for each network interface of a meter. The representation of the network interface of a mete... |
3fc6f7f5d3388978f2bf64db0ee8ed89 | 103 410-12 | 4.2.5 Clock | SAREF4GRID allows describing the clock of a meter by means of the s4grid:Clock class, as presented in Figure 9. This clock manages all information related to date and time including deviations of the local time to a generalized time reference (UTC) due to time zones and daylight-saving time schemes. The representation ... |
3fc6f7f5d3388978f2bf64db0ee8ed89 | 103 410-12 | 4.2.6 Breaker state | As it can be observed in Figure 10, the modelling of states in the SAREF4GRID ontology mostly relies on the state model proposed in SAREF. In order to reduce duplication with SAREF documentation, the reader is referred to the SAREF specification ETSI TS 103 264 [1] for details about state modelling including here detai... |
3fc6f7f5d3388978f2bf64db0ee8ed89 | 103 410-12 | 4.2.7 Script table | As it can be observed in Figure 11, the modelling of scripts in the SAREF4GRID ontology mostly relies on the service model proposed in SAREF. In order to reduce duplication with SAREF documentation, the reader is referred to the SAREF specification [1] for details about service modelling including here details only for... |
3fc6f7f5d3388978f2bf64db0ee8ed89 | 103 410-12 | 4.2.8 Scheduled action | SAREF4GRID allows the execution of periodic actions within a meter by means of the s4grid:SingleScheduledAction class, as presented in Figure 12; such actions are not necessarily linked to tariffication. A scheduled action describes the script, which is stored in a script table, that is going to be executed at a determ... |
3fc6f7f5d3388978f2bf64db0ee8ed89 | 103 410-12 | 4.2.9 Activity calendar | SAREF4GRID allows modelling the handling of various tariff structures in the meter by means of the s4grid:ActivityCalendar class, as presented in Figure 13. An activity calendar provides a list of scheduled actions, following the classical way of calendar-based schedules by defining seasons, weeks, etc. The representat... |
3fc6f7f5d3388978f2bf64db0ee8ed89 | 103 410-12 | 4.2.10 Power line properties | As it can be observed in Figure 14 and Figure 15, the modelling of observations in the SAREF4GRID ontology mostly relies on the observation model proposed in SAREF. In order to reduce duplication with SAREF documentation, the reader is referred to the SAREF specification [1] for details about observation modelling incl... |
3fc6f7f5d3388978f2bf64db0ee8ed89 | 103 410-12 | 4.2.11 Profile generic | SAREF4GRID allows modelling the storing, sorting and accessing of data groups or data series (i.e. capture objects in COSEM) in the meter by means of the s4grid:ProfileGeneric class, as presented in Figure 16. Capture objects are specific attributes or elements of (an) attribute(s) of COSEM objects. The capture objects... |
3fc6f7f5d3388978f2bf64db0ee8ed89 | 103 410-12 | 4.2.12 Get service | Figure 17 provides an overview of the modelling of get services (s4grid:GetService). A get service is performed through get operations (s4grid:GetOperation). The get operation modelling involves two main concepts, namely s4grid:CosemOperationInput and s4grid:GetOperationOutput. As can be seen in the figure, the modelli... |
3fc6f7f5d3388978f2bf64db0ee8ed89 | 103 410-12 | 4.2.13 Set service | Figure 18 provides an overview of the modelling of set services (s4grid:SetService). A set service is performed through set operations (s4grid:SetOperation). The set operation modelling involves one main concept, namely s4grid:CosemOperationInput. As can be seen in the figure, the modelling of set services totally reli... |
3fc6f7f5d3388978f2bf64db0ee8ed89 | 103 410-12 | 4.2.14 Action service | Figure 19 provides an overview of the modelling of action services (s4grid:ActionService). An action service is performed through action operations (s4grid:ActionOperation). The action operation modelling involves one main concept, namely s4grid:CosemOperationInput. As can be seen in the figure, the modelling of action... |
3fc6f7f5d3388978f2bf64db0ee8ed89 | 103 410-12 | 4.3 Instantiating SAREF4GRID | This clause shows different examples of how to instantiate the SAREF4GRID extension of SAREF. The example presented in Figure 20 depicts an electric grid meter (ex:Meter1234). It can be described by a set of meter properties (such as the one shown in the figure, ex:ScrollDisplayMode) that are identified by an OBIS code... |
3fc6f7f5d3388978f2bf64db0ee8ed89 | 103 410-12 | 4.4 Discussion | In the following paragraphs, several observations about the SAREF4GRID ontology and its usage are mentioned. The hierarchies and individuals defined in the extension should not be considered exhaustive. It might be needed to extend the hierarchies and lists of individuals for particular use cases, as well as to special... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 1 Scope | of the document Informative 1 Clause |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 2 References | used in the document Normative/Informative 1 Clause 3 Definition of terms, symbols, abbreviations and conventions Informative 1 Clause |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 4 End-to-end system | Informative 1 Clause 5 Architecture of the HDR system Informative 1 Clause 6 Metadata format abstraction layer (agnostic to the distribution format) Normative 1, 2, 3 Clause 7 SDR-to-HDR reconstruction process Normative 1 Annex A SL-HDR reconstruction metadata using HEVC Normative 1, 2, 3 Annex B SL-HDR reconstruction ... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 2.1 Normative references | References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the referenced document (including any amendments) applies. Referenced documents which a... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 2.2 Informative references | References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the referenced document (including any amendments) applies. NOTE: While any hyperlinks i... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 3.1 Terms | For the purposes of the present document, the following terms apply: anchor: invariant point that can be retrieved during the inverse hue mapping process NOTE 1: Term specific to the invertible gamut mapping process. NOTE 2: The anchor guarantees the invertibility of the hue mapping process. chrominance: chrominance co... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 3.2 Symbols | |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 3.2.1 Arithmetic operators | For the purposes of the present document, the following arithmetic operators apply: + Addition − Subtraction (as a two-argument operator) or negation (as a unary prefix operator) × Multiplication, including matrix multiplication Exponentiation. Specifies x to the power of y. In other contexts, such notation is used ... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 3.2.2 Mathematical functions | For the purposes of the present document, the following mathematical functions apply: Abs( x ) < − ≥ 0 , 0 , x x x x Clip3( x ; y ; z ) > < otherwise , , , z y z y x z x Floor( x ) the largest integer less than or equal to x ln( x ) natural logarithm of x log10( x ) logarithm with base 10 of x Min( x ; y ... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 3.2.3 Logical operators | For the purposes of the present document, the following logical operators apply: x && y Boolean logical "and" of x and y x ? y : z If x is TRUE or not equal to 0, evaluates to the value of y; otherwise, evaluates to the value of z ETSI ETSI TS 103 433-1 V1.4.1 (2021-08) 17 |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 3.3 Abbreviations | For the purposes of the present document, the following abbreviations apply: AOMedia Alliance for Open Media AV1 AOMedia Video 1 AVC Advanced Video Coding CE Consumer Electronics CIE Commission Internationale de l'Eclairage CLVS Coded Layer-wise Video Sequence CMAF Common Media Application Format DCI Digital Cinema Ini... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 3.4 Conventions | Unless otherwise stated, the following convention regarding the notation is used: • Variables specified in the present document are indicated by bold Arial font 9 points lower camel case style e.g. camelCase. All those variables are described in clause 6. • Internal variables of the present document are indicated by it... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 5 HDR system architecture | The block diagram in Figure 2 depicts in more detail the HDR decomposition and reconstruction processes. The centre block included in dash-red box corresponds to the distribution encoding and decoding stages (e.g. based on HEVC or AVC video coding specifications). The left and right grey-coloured boxes respectively ena... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6 Dynamic metadata format for signal reconstruction | |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.1 Introduction | Clause 6 specifies the dynamic metadata format for signal reconstruction. In the present document, the dynamic metadata allow SDR-to-HDR reconstruction of the HDR signal. NOTE: Dynamic metadata format specified in clause 6 applies to each part of the ETSI TS 103 433 multi-part deliverable. Specificities may be specifie... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.2 Reconstruction metadata syntax | |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.2.1 Introduction | This clause specifies a format abstraction layer implementing the static and dynamic metadata used for signal reconstruction (SDR-to-HDR reconstruction in the present document) agnostically to the distribution format (i.e. independent of the SL-HDR Information SEI message syntax specified in Annex A, Annex B, Annex J, ... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.2.2 Signal reconstruction information | The syntax of signal_reconstruction_info( ) is specified in Table 2. In the present document, the reconstructed signal is an HDR signal. Table 2: Syntax of signal_reconstruction_info( ) Syntax No. of bits signal_reconstruction_info( ) { partID majorSpecVersionID minorSpecVersionID payloadMode hdr_characteristics( ) sdr... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.2.3 HDR picture characteristics | HDR picture characteristics (i.e. source picture and reconstructed picture formats in the present document) are specified by syntax elements present in Table 3. From the IRD viewpoint, those variables can be mapped from HEVC, AVC and VVC Mastering Display Colour Volume (SMPTE ST 2086 [2]) SEI message, WebM MasteringMet... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.2.4 SDR picture characteristics | SDR picture characteristics (i.e. pre-processed picture format in the present document) are specified in Table 4. From the IRD viewpoint, those variables can be mapped from SL-HDR Information SEI message syntax elements as respectively specified in normative Annex A, Annex B, Annex J, and informative Annex K and Annex ... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.2.5 Luminance mapping variables | The luminance mapping variables are specified by syntax elements present in Table 5. Luminance mapping variables are invoked when payloadMode is equal to 0. Table 5: Syntax of luminance_mapping_variables( ) Syntax No. of bits luminance_mapping_variables( ) { tmInputSignalBlackLevelOffset tmInputSignalWhiteLevelOffset s... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.2.6 Colour correction adjustment variables | The colour correction adjustment variables are specified by syntax elements present in Table 6. Colour correction adjustment variables are invoked when payloadMode is equal to 0. ETSI ETSI TS 103 433-1 V1.4.1 (2021-08) 22 Table 6: Syntax of colour_correction_adjustment( ) Syntax No. of bits colour_correction_adjustment... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.2.7 Luminance mapping table | The luminance mapping variables are specified by syntax elements present in Table 7. Luminance mapping table is invoked when payloadMode is equal to 1. Table 7: Syntax of luminance_mapping_table( ) Syntax No. of bits luminance_mapping_table( ) { luminanceMappingNumVal for( i = 0; i < luminanceMappingNumVal; i++) { lumi... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.2.8 Colour correction table | The colour correction table is specified by syntax elements present in Table 8. Colour correction table is invoked when payloadMode is equal to 1. Table 8: Syntax of colour_correction_table( ) Syntax No. of bits colour_correction_table( ) { colourCorrectionNumVal for( i = 0; i < colourCorrectionNumVal; i++) { colourCor... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.2.9 Gamut mapping variables | The gamut mapping variables are specified by syntax elements present in Table 9. Those variables are invoked when sdrPicColourSpace value is less than hdrPicColourSpace value and when gamutMappingMode is equal to 1. ETSI ETSI TS 103 433-1 V1.4.1 (2021-08) 23 Table 9: Syntax of gamut_mapping_variables( ) Syntax No. of b... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3 Reconstruction metadata semantics | |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.1 Introduction | This clause specifies the semantics of the static and dynamic metadata used for the signal reconstruction. ETSI ETSI TS 103 433-1 V1.4.1 (2021-08) 24 |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.2 Signal reconstruction information | |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.2.1 Introduction | In the present document, signal_reconstruction_info contains the dynamic metadata that enables reconstruction of an HDR picture (as described in clause 7) when combined with the associated SDR picture. |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.2.2 partID - part indicator of the multi-part deliverable | This 4-bit code indicates the part of the ETSI TS 103 433 multi-part deliverable to which the bitstream conforms to. |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.2.3 majorSpecVersionID - Major specification version indicator | This 4-bit code indicates the specification version to which the bitstream conforms to. |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.2.4 minorSpecVersionID - Minor specification version indicator | This 7-bit code indicates the specification version to which the bitstream conforms to. |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.2.5 payloadMode - Payload carriage mode | This variable indicates the carriage mode used to implement the dynamic metadata representative of the colour volume transform. The value of payloadMode shall be equal to 0b000 or 0b001 only, see Table 10. Table 10: Payload carriage mode Value of payloadMode Carriage mode 0b000 Parameter-based 0b001 Table-based 0b010 -... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.2.6 matrixCoefficient - Y'C'bC'r-to-R'G'B' conversion matrix coefficients | These variables specify matrix coefficients that are to be used to compute the Y'C'bC'r to R'G'B' conversion matrix that is employed in the SL-HDR reconstruction process. The value of matrixCoefficient[ i ] shall be in the bounded range [ − 2 to 2 − ] and in multiples of (1÷256). NOTE: Typically, the Y'C'bC'r to R'... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.2.7 chromaToLumaInjection - Chroma to luma injection | This array of two variables respectively indicates the ratio of the blue and red colour-difference component injection into the luma component. The value of chromaToLumaInjection[ i ] shall be in the bounded range [0 to 0,5 − ] and in multiples of (1 ÷ 16 384). |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.2.8 kCoefficient | This array is composed of three variables which specifies coefficients used in the computation of the reconstruction process. The value of kCoefficient[ 0 ] shall be in the bounded range [0 to (63 ÷ 256)] and in multiples of (1 ÷ 256). The value of kCoefficient[ 1 ] shall be in the bounded range [0 to (127 ÷ 256)] and ... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.2.9 gamutMappingMode | This variable is invoked when sdrPicColourSpace is less than hdrPicColourSpace. This variable indicates the gamut mapping mode that is representative of the gamut mapping parameters. In the present document, the value of gamutMappingMode shall be in the range of 0 to 3, inclusive and 64 to 127, inclusive, see Table 11.... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.3 HDR picture characteristics | |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.3.1 Introduction | The hdr_characteristics( ) contains HDR picture signal characteristics namely: an indication on the colour space in which the HDR picture is represented, an indication on the primaries of the display used to master the HDR picture. NOTE: The colour space and the display primaries which qualify the HDR reconstructed pic... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.3.2 hdrPicColourSpace - HDR picture colour space | This variable indicates the white point and primaries chromaticity coordinates of the HDR picture colour space in terms of CIE 1931 definitions of x and y as specified in ISO 11664-1 [9] and defined in Table 14. Table 14: HDR picture colour primaries and white point Value of hdrPicColourSpace Primaries Colour space pri... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.3.4 hdrDisplayMaxLuminance - HDR mastering display maximum luminance | This variable specifies the nominal maximum display luminance of the mastering display used to grade the HDR picture in units of 1 candela per square metre with a rounding to the nearest multiple of 50 candelas per square metre. The proper value of this variable shall be present in associated bitstreams that conform to... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.3.5 hdrDisplayMinLuminance - HDR mastering display minimum luminance | This variable specifies the nominal minimum display luminance of the mastering display used to grade the HDR picture with a precision of 0,000 1 candelas per square metre. hdrDisplayMinLuminance shall be less than hdrDisplayMaxLuminance. If the proper value of hdrDisplayMinLuminance is unknown, it is recommended that i... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.4 SDR picture characteristics | |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.4.1 Introduction | The sdr_characteristics( ) contains SDR picture signal characteristics namely: an indication on the colour space in which the SDR picture is represented, the nominal maximum and minimum luminance values of the mastering display that was used to master the SDR picture. NOTE: In the present document, the SDR picture corr... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.4.2 sdrPicColourSpace - SDR picture colour space | This variable indicates the white point and primaries chromaticity coordinates of the SDR picture colour space in terms of CIE 1931 definitions of x and y as specified in ISO 11664-1 [9] and defined in Table 16. ETSI ETSI TS 103 433-1 V1.4.1 (2021-08) 28 Table 16: SDR picture colour primaries and white point Value of s... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.4.3 sdrDisplayMaxLuminance - SDR mastering display maximum luminance | This variable specifies the nominal maximum display luminance of the mastering display used to grade the SDR picture in units of 1 candela per square metre with a rounding to the nearest multiple of 50 candelas per square metre. |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.4.4 sdrDisplayMinLuminance - SDR mastering display minimum luminance | This variable specifies the nominal minimum display luminance of the mastering display used to grade the SDR picture in units of 0,000 1 candela per square metre. sdrDisplayMinLuminance shall be less than sdrDisplayMaxLuminance. If the proper value of sdrDisplayMinLuminance is unknown, it is recommended that it is set ... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.5 Luminance mapping variables | |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.5.1 Introduction | The luminance mapping variables defined in this clause are representative of the inverse EOTF of the inverse luminance mapping curve and are used to construct the look-up table lutMapY. This look-up table is taken as one input of the reconstruction process specified in clause 7. The variables specified in this clause a... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.5.4 shadowGain - Shadow Gain Control | This variable indicates the gain that is used to adjust the steepness of the luminance mapping curve in its shadow (darker) region. The value shall be in the bounded range [0 to 2] and in multiples of (2 ÷ 255). |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.5.5 highlightGain - Highlight Gain Control | This variable indicates the gain that is used to adjust the steepness of the luminance mapping curve in its highlight (brighter) region. The value shall be in the bounded range [0 to 2] and in multiples of (2 ÷ 255). |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.5.6 midToneWidthAdjFactor - Mid-Tone Width Adjustment Factor | This variable indicates the gain that is used to adjust the width of the luminance mapping curve in their mid-tone region. The value shall be in the bounded range [0 to 2] and in multiples of (2 ÷ 255). 6.3.5.7 tmOutputFineTuningNumVal - Number of Tone Mapping Output Fine Tuning Function Curve Points This variable spec... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.5.8 tmOutputFineTuningX - Tone Mapping Output Fine Tuning Function x values | This variable indicates the xi values of the tone mapping output fine tuning function. The value shall be in the bounded range [0 to 1] and in multiples of (1 ÷ 255). The value of tmOutputFineTuningX[ i + 1 ] shall be greater than the value of tmOutputFineTuningX[ i ], for i in the range of 0 to tmOutputFineTuningNumVa... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.5.9 tmOutputFineTuningY - Tone Mapping Output Fine Tuning Function y values | This variable indicates the yi values of the tone mapping output fine tuning function, fftlum( ). The value shall be in the bounded range [0 to 1] and in multiples of (1 ÷ 255). The value of tmOutputFineTuningY[ i + 1 ] shall be greater than the value of tmOutputFineTuningY[ i ], for i in the range of 0 to tmOutputFine... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.6 Colour correction adjustment variables | |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.6.1 Introduction | The colour correction variables defined in this clause are used to adjust the default colour correction curve, implemented by the look-up table lutCC. The colour correction curve is a required input of the reconstruction process. The variables specified in this clause are present when payloadMode is equal to 0 (i.e. pa... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.6.2 saturationGainNumVal - Number of Saturation Gain Function Curve Points | This variable specifies the number of pivot points in the piece-wise linear saturation gain function, fsgf ( ), that maps a colour correction input value to a saturation scaling factor. The value of saturationGainNumVal shall be in the bounded range [0 to 6]. See clause 7.3 for the computation of fsgf ( ) from the list... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.6.3 saturationGainX - Saturation Gain Function x values | This variable indicates the xi values of the saturation gain function. The value shall be in the bounded range [0 to 1] and in multiples of (1 ÷ 255). The value of saturationGainX[ i + 1 ] shall be greater than the value of saturationGainX[ i ], for i in the range of 0 to saturationGainNumVal - 2, inclusive. |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.6.4 saturationGainY - Saturation Gain Function y values | This variable indicates the yi values of the saturation gain function. The value shall be in the bounded range [0 to 1] and in multiples of (1 ÷ 255). When saturationGainX[ 0 ] is greater than 0, an initial linear segment shall be inferred that maps input values ranging from 0 to saturationGainX[ 0 ], inclusive, to tar... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.7 Luminance mapping table | |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.7.1 Introduction | The variables defined in this clause are piece-wise linear pivot points representative of the inverse EOTF of the inverse luminance mapping curve, implemented by the look-up table lutMapY. This look-up table is taken as one input of the reconstruction process. The variables specified in this clause are present when pay... |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.7.2 luminanceMappingNumVal - Number of Luminance Mapping Curve Points | This variable specifies the number of pivot points in the piece-wise linear luminance mapping curve. The value of luminanceMappingNumVal shall be in the bounded range [0 to 65]. |
dfe3953e79c1e8a904893e451e909192 | 103 433-1 | 6.3.7.3 luminanceMappingX - Luminance Mapping x values | This variable indicates the xi values of the luminance mapping curve. It shall be in the bounded range [0 to 1] and in multiples of (1 ÷ 8 192). The value of luminanceMappingX[ i + 1 ] shall be greater than the value of luminanceMappingX[ i ], for i in the range of 0 to luminanceMappingNumVal - 2, inclusive. |
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