GB/T 32909-2016 English PDF

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GB/T 32909-2016: Unstructured data expression specification
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 32909-2016	1139	Add to Cart	7 days	Unstructured data expression specification	Valid

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Basic data

Standard ID: GB/T 32909-2016 (GB/T32909-2016)
Description (Translated English): Unstructured data expression specification
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: L67
Classification of International Standard: 35.240.70
Word Count Estimation: 57,582
Date of Issue: 2016-08-29
Date of Implementation: 2017-03-01
Regulation (derived from): National Standard Notice No. 14 of 2016
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 32909-2016: Unstructured data expression specification

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Unstructured data specification specification ICS 35.240.70 L67 National Standards of People's Republic of China Unstructured data representation specification 2016-08-29 released 2017-03-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released Directory Preface III 1 Scope 1 2 normative reference document 1 3 Terms and definitions 1 4 acronym 1 5 unstructured data DDL representation framework 2 5.1 Overview 2 5.2 Overall frame 2 5.3 Basic abstract descriptors 3 5.4 Basic Descriptive Descriptions Scenario 5 5.5 Element 7 6 data type 8 6.1 Basic data types 8 6.1.1 Numerical data type 8 6.1.2 String data type 9 6.1.3 Date Data Type 9 6.2 Extended Data Type 10 6.2.1 Scalar 10 6.2.2 Vector 11 6.2.3 Matrix 11 7 Basic Attributes Description 13 7.1 Basic elements 13 7.1.1 Unique identifier descriptor 13 7.1.2 Time Description Program 13 7.1.3 Character Descriptor 13 7.1.4 Location Description Program 14 7.2 Creating Information Description Scenario 14 7.3 Modification Information Description Option 15 7.4 Format and Size Description Scenario 15 7.5 Data Location Descriptor 16 8 semantic features description 16 8.1 Object Description Scenario 16 8.2 Event Description Program 17 8.3 Concept Description Program 17 8.4 Data Encoding Description Scheme 17 8.5 Data semantic description program 18 9 The underlying character description 19 9.1 Image Type 19 9.1.1 Color-related descriptors 19 9.1.2 Texture Features 25 9.1.3 Shape features 26 9.1.4 Local features 27 9.2 Audio Type 28 9.2.1 Scalar sequence 28 9.2.2 Low-level audio descriptors 30 9.2.3 Mute Descriptor 32 9.2.4 MFCC Feature Descriptor 9.3 Video Type 33 9.3.1 Time Domain Feature Description Type 33 9.3.2 Movement characteristics 35 9.3.3 Lens and Keyframe Descriptors 9.4 text type 39 10 raw data description 40 11 association descriptor 11.1 Semantic features - the underlying feature association descriptor 11.2 Basic Attributes - Raw Data Association Descriptors 11.3 Semantic Features - Raw Data Association Descriptors 11.4 Primitive Features - Raw Data Association Descriptor Appendix A (Normative Appendix) Unsigned Type Syntax Definition 43 Appendix B (informative) Unstructured data representation XMLSchema definition 47

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed and centralized by the National Information Technology Standardization Technical Committee (SAC/TC28). The drafting of this standard. Beijing University of Aeronautics and Astronautics, China Electronic Technology Standardization Research Institute, Tsinghua University, Zhejiang University, the Chinese people the University. The main drafters of this standard. Ma Dianfu, Lang Bo, Huang Lei, Gao Lin, Wu Xinsong, Liu Xiangang, Wei Fenglin, Li Ying, Zhang Zhanxin, Wang Zhaokun, Wang Jianmin, Chen Jun, Zhuang Yue Ting, Chen Ling, Shao Jian, Sun Jianling, Du Xiaoyong, Chen Jinchuan. Unstructured data representation specification

1 Scope

This standard specifies a unified data representation of unstructured data such as text, audio, video, and images. This standard applies to the representation of unstructured data in unstructured management systems.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. Information technology - Extensible Markup Language (XML) 1.0 XMLSchema Extensible Markup Language Pattern (XMLSchema, W3CRecommendation, 2May2001)

3 terms and definitions

The following terms and definitions apply to this document. 3.1 Feature feature Data characteristics. 3.2 Reverse file frequency inversedocumentfrequency; IDF A general measure of the importance of a word, divided by the total number of documents divided by the number of documents containing the word, will be obtained by the logarithmic acquisition. 3.3 Word frequency termfrequency; The number of times a given word appears in a document.

4 abbreviations

The following abbreviations apply to this document. D. Descriptor (Descriptor) DDL. Description Definition Language (DescriptionDefinitionLanguage) DS. DescriptionScheme IDF. Reverse file frequency (InverseDocumentFrequency) GPS. Global Positioning System (Global Positioning System) MFCC. Mel frequency quasi-spectral coefficient (MelFrequencyCepstrumCoefficient) SIFT. scale-invariant feature conversion (Scale-InvariantFeatureTransform) TF. word frequency (TermFrequency) TF-IDF. word frequency - reverse file frequency (TermFrequency-InverseDocumentFrequency) UML. Unified Modeling Language (UnifiedModelingLanguage) ......

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