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GB/T 41536-2022: Validation of land cover remote sensing products
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Validation of land cover remote sensing products
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GB/T 41536-2022
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Basic data | Standard ID | GB/T 41536-2022 (GB/T41536-2022) | | Description (Translated English) | Validation of land cover remote sensing products | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A77 | | Word Count Estimation | 22,217 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 41536-2022: Validation of land cover remote sensing products---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Validation of land cover remote sensing products
ICS 07.040
CCSA77
National Standards of People's Republic of China
Authenticity test of land cover remote sensing products
Published on 2022-07-01
2023-02-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration
directory
Preface III
Introduction IV
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Basic requirements 2
5 Inspection method 2
5.1 Inspection method selection 2
5.2 Direct Test Method 2
5.2.1 Operation step 2
5.2.2 Determining inspection level 3
5.2.3 Sampling Design 3
5.2.4 Reference object data acquisition 4
5.2.5 Spatial scale conversion 4
5.2.6 Accuracy Evaluation 4
5.2.7 Uncertainty Analysis 4
5.3 Indirect test method 4
5.3.1 Operation step 4
5.3.2 Reference object data acquisition 5
5.3.3 Reference object data processing 5
5.3.4 Accuracy Evaluation 6
5.3.5 Uncertainty Analysis 6
6 Inspection report6
6.1 Cover information6
6.2 Body Information 6
6.2.1 Overview of land cover remote sensing products to be inspected6
6.2.2 Reference object description 6
6.2.3 Inspection method and process 6
6.2.4 Authenticity test conclusion 7
6.2.5 Additional information 7
6.3 Summary table of inspection report information 7
Appendix A (Informative) Calculation Method of Accuracy and Uncertainty Index Based on Error Matrix 8
Appendix B (Informative) Calculation Method of Accuracy and Uncertainty Index Based on Fuzzy Error Matrix 11
Appendix C (Informative) Sample Information of the Authenticity Inspection Report of Land Cover Remote Sensing Products 14
Reference 16
foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents"
drafted.
Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents.
This document is proposed by the Chinese Academy of Sciences.
This document is under the jurisdiction of the National Standardization Technical Committee of Remote Sensing Technology (SAC/TC327).
This document is drafted by. Northwest Institute of Eco-Environmental Resources, Chinese Academy of Sciences, Institute of Aerospace Information Innovation, Chinese Academy of Sciences, Chinese Academy of Sciences
Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Agricultural Sciences Institute of Agricultural Resources and Agricultural Zoning, Tongji University, Chinese Academy of Sciences Qinghai-Tibet
Plateau Research Institute, China Academy of Land Surveying and Planning.
The main drafters of this document. Ran Youhua, Zhong Bo, Wang Bingquan, Kuang Wenhui, Liu Zhaoyan, Wu Hua, Wu Wenbin, Xie Huan, Li Xin, Ge Yong, Liu Shunxi,
Tong Xiaohua.
Introduction
Land cover is the surface cover of natural and artificial vegetation and buildings/structures that can be observed directly or through remote sensing, which reflects the climate.
The impact of climate change and human activities on the earth's surface is the basis for natural asset accounting, land surface process models, atmospheric models, and eco-hydrological models.
It has important application value in land resource management, weather forecast and global change research.
At present, through the development and use of classification methods, remote sensing images are processed in series, from local to global, various land cover remote sensing products
A steady stream of production. Due to the complexity of land cover classification, there are many uncertainties in these products, which will affect the production of land cover remote sensing.
product application. Formulate scientific and standardized test standards for the authenticity of land cover remote sensing products, standardize the authenticity test of land cover remote sensing products,
It is beneficial to comprehensively and objectively evaluate its accuracy and uncertainty, thereby promoting the improvement of the quality of land cover remote sensing products and promoting its quantitative
application.
Authenticity test of land cover remote sensing products
1 Scope
This document specifies the basic requirements, inspection methods and inspection reports for the authenticity inspection of land cover remote sensing products.
This document is applicable to the authenticity inspection of land cover remote sensing products.
2 Normative references
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations
documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to
this document.
GB/T 36296-2018 Guidelines for the authenticity inspection of remote sensing products
GB/T 39468-2020 General method for authenticity inspection of terrestrial quantitative remote sensing products
3 Terms and Definitions
The terms and definitions defined in GB/T 36296-2018, GB/T 39468-2020 and the following apply to this document.
3.1
land cover
Surface cover such as natural and artificial vegetation and buildings/structures that can be observed directly or by means of remote sensing.
[Source. GB/T 19231-2003, 3.1.5, with modifications]
3.2
classificationsystem
According to certain application goals, land cover (3.1) is divided into a system composed of non-overlapping and contradictory types, which are type names, types
A collection of information such as encodings, type definitions, etc.
3.3
validationlevel
The classification of direct inspection methods according to the level of detail of inspection.
3.4
Each cell represents only one type of land cover classification data or dataset.
3.5
Each cell represents land cover classification data or datasets for multiple types of proportions.
Note. The pixel value is between 0 and 1.
3.6
A collection of land cover remote sensing products produced in the same area at different times under the same technical design requirements.
[Source. GB/T 18316-2008, 2.2, with modifications]
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