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GB/T 41449-2022: Quality inspection and evaluation of time-series satellite image data
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Quality inspection and evaluation of time-series satellite image data
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GB/T 41449-2022
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Basic data | Standard ID | GB/T 41449-2022 (GB/T41449-2022) | | Description (Translated English) | Quality inspection and evaluation of time-series satellite image data | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A75 | | Word Count Estimation | 21,216 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 41449-2022: Quality inspection and evaluation of time-series satellite image data---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.
Quality inspection and evaluation of time-series satellite image data
ICS 07.040
CCSA75
National Standards of People's Republic of China
Quality inspection and evaluation of time series satellite image data
Published on 2022-04-15
2022-04-15 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration
directory
Preface I
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Basic requirements 2
4.1 Inspection and Evaluation Basis 2
4.2 Inspection content 2
4.3 Inspection method 3
4.4 Quality Level 3
4.5 Inspection result record 3
4.6 Handling of Quality Problems 3
5 Sampling inspection procedure 3
5.1 Form batch results 3
5.2 Unit achievement determination 3
5.3 Determining sample size 3
5.4 Inspection procedures and content 4
6 Quality elements and evaluation indicators 5
6.1 Mass elements 5
6.2 Quality Evaluation Index 7
7 Quality assessment 14
7.1 Quality assessment of unit results 14
7.2 Batch result evaluation 14
Appendix A (Informative) Description of Calculation Methods for Relevant Inspection Items 15
Reference 18
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 Ministry of Natural Resources of the People's Republic of China.
This document is under the jurisdiction of the National Geographic Information Standardization Technical Committee (SAC/TC230).
This document is drafted by. China Academy of Surveying and Mapping, National Surveying and Mapping Product Quality Inspection and Testing Center, Wuhan University, China Natural Resources
Air Geophysical and Remote Sensing Center, Tongji University, Shaanxi Surveying and Mapping Product Quality Supervision and Inspection Station of Ministry of Natural Resources, Land Satellite Remote Sensing Application of Ministry of Natural Resources
Application Center, the Third Aerial Survey and Remote Sensing Institute of the Ministry of Natural Resources, and the Institute of Aerospace Information Innovation, Chinese Academy of Sciences.
The main drafters of this document. Huang Guoman, Yang Shucheng, Zhang Jixian, Yang Jie, Tong Xiaohua, Shen Huanfeng, Wang Yan, Wang Xiaojun, Zhao Zheng, Cheng Chunquan,
Lu Lijun, Wang Xia, Chen Haipeng, Yue Xijuan, Xie Wenjun, Shi Hongtao, Zeng Chao, Zhang Ling, Xie Huan, Jin Yanmin, Wang Wei, Cao Ning, Zhang Yanmei, Wu Chong.
Quality inspection and evaluation of time series satellite image data
1 Scope
This document specifies the basic requirements, sampling inspection procedures, quality elements and evaluation guidelines for quality inspection and evaluation of time-series satellite imagery data.
standard, quality assessment.
Quality inspection and evaluation of data.
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 18316 Quality inspection and acceptance of digital surveying and mapping results
3 Terms and Definitions
GB/T 18316 and the following terms and definitions apply to this document.
3.1
time-series satellite images time-seriessateliteimages
A series of remote sensing images of the same observation area are acquired at certain time intervals by using sensors carried by artificial satellites.
3.2
Based on Doppler frequency shift theory and radar coherence, a remote sensing system that comprehensively processes the amplitude and phase data of radar echoes.
[Source. GB/T 14950-2009, 4.151]
3.3
A technique for interferometric measurement using phase information from SAR data of different periods in the same area.
3.4
Contrast
The size of the grayscale contrast of remote sensing images.
3.5
sharpness sharpness
The clarity of details and boundaries in remote sensing images.
3.6
radiation distortion
The inconsistency between the measured value of radiation of ground objects in remote sensing images and its actual radiation intensity.
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