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GB/T 39612-2020: Specifications for low-altitude digital aerial photography and data processing
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| GB/T 39612-2020 | English | 559 |
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Specifications for low-altitude digital aerial photography and data processing
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GB/T 39612-2020
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Basic data | Standard ID | GB/T 39612-2020 (GB/T39612-2020) | | Description (Translated English) | Specifications for low-altitude digital aerial photography and data processing | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A75 | | Classification of International Standard | 07.040 | | Word Count Estimation | 30,316 | | Date of Issue | 2020-12-14 | | Date of Implementation | 2020-12-14 | | Regulation (derived from) | National Standard Announcement No. 28 of 2020 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 39612-2020: Specifications for low-altitude digital aerial photography and data processing---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.
(Low-altitude digital aerial photography and data processing specifications)
ICS 07:040
A75
National Standards of People's Republic of China
Low-altitude digital aerial photography and data processing specifications
2020-12-14 release
2020-12-14 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
Table of contents
Preface Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 Basic requirements 2
4:1 Framing and numbering 2
4:2 Results accuracy 2
5 Aerial photography 2
5:1 Preparation for aerial photography 2
5:2 Aerial photography equipment requirements 2
5:3 Aerial photography plan and aerial photography design 3
5:4 Implementation of aerial photography 5
5:5 Flight quality and image quality requirements 5
5:6 Quality inspection and finishing of aerial photography results 6
5:7 Aerial photography results data 6
6 Photo control measurement 6
6:1 Layout of photo control points 6
6:2 Basic control point measurement 8
6:3 Measurement of photo control points 9
6:4 Inspection of photo control measurement results 9
6:5 Photo control measurement results data 9
7 Aerial triangulation 9
7:1 Image preprocessing 9
7:2 Precision requirements 9
7:3 Relative orientation 10
7:4 Free network adjustment 10
7:5 Absolute Orientation and Regional Network Adjustment 10
7:6 Outcome quality check 12
7:7 Air triangulation results data 12
8 Production of basic geographic information products 13
8:1 Production methods and requirements 13
8:2 Results quality check 13
8:3 Achievement data of basic geographic information products 13
Appendix A (informative appendix) Schematic diagram of the relationship between the camera and the image space coordinate system, schematic diagram of the camera installation position 14
Appendix B (Informative Appendix) Common calculation formulas for low-altitude digital aerial photography 15
Appendix C (Informative Appendix) Aerial Photography Flight Record Form 18
Appendix D (informative appendix) Swivel angle calculation diagram 19
Appendix E (informative appendix) Schematic diagram of aerial photography zones and route diagram 20
Appendix F (informative appendix) Picture 22
Appendix G (informative appendix) Photo control point result table and point record sample 24
Foreword
This standard was drafted in accordance with the rules given in GB/T 1:1-2009:
This standard was proposed by the Ministry of Natural Resources of the People's Republic of China:
This standard is under the jurisdiction of the National Geographic Information Standardization Technical Committee (SAC/TC230):
This standard was drafted by: Zhongce Xintu (Beijing) Remote Sensing Technology Co:, Ltd:, Zhongce Xintu (Beijing) Low Altitude Digital Mapping Technology Co:, Ltd:
Company, Wuhan Zhongce Shengtu Remote Sensing Technology Co:, Ltd:, Zhejiang Zhongce Xintu Geographic Information Technology Co:, Ltd:
The main drafters of this standard: Li Yingcheng, Xue Yanli, Ding Xiaobo, Zhu Xiange, Li Xilin, Dai Fang, Ren Yafeng, Chen Beiping, Cao Hualong, Liu Pei,
Liao Ming, Zheng Anwu, Kuang Xiumei:
Low-altitude digital aerial photography and data processing specifications
1 Scope
This standard specifies the basic requirements for low-altitude digital aerial photography and data processing, including low-altitude digital aerial photography, photo control measurement, aerial
Technical requirements for triangulation and production of basic geographic information products:
This standard applies to the use of unmanned aerial vehicle low-altitude digital aerial photography systems for 1:500, 1:1000 and 1:2000 digital orthophotos
Image map (DOM), digital elevation model (DEM), digital surface model (DSM) and digital line drawing (DLG) and other results production:
2 Normative references
The following documents are indispensable for the application of this document: For dated reference documents, only the dated version applies to this article
Pieces: For undated references, the latest version (including all amendments) applies to this document:
GB/T 13989 National Basic Scale Topographic Map Framing and Numbering
GB/T 18314-2009 Global Positioning System (GPS) Measurement Specification
GB/T 18316 Quality Inspection and Acceptance of Digital Surveying and Mapping Results
GB/T 24356 Quality Inspection and Acceptance of Surveying and Mapping Results
GB/T 27919-2011 IMU/GPS assisted aerial photography technical specifications
GB 35650 National Basic Scale Map Surveying and Mapping Basic Technical Regulations
CH/T 1007 Fundamental Geographic Information Digital Product Metadata
CH/T 1024 Technical specification for quality inspection of image control measurement results
CH/T:2009-2010 Global Positioning System Real-time Kinematics (RTK) Technical Specification
CH/T 3006-2011 Digital Aerial Photogrammetry Control Survey Specification
CH/T 3007:1 Specification for Digital Aerial Photogrammetry Mapping Part 1: 1:500 1:1000 1:2000 Digital Elevation
Model digital orthophoto map digital line drawing
CH/T 3012 Digital surface model aerial photogrammetry production technical specification
CH/T 9022 Digital Achievement of Fundamental Geographic Information 1:500 1:1000 1:2000 1:5000 1:10000 Digital Table
Face model
3 Terms and definitions
The following terms and definitions apply to this document:
3:1
Unmanned aerial vehicle
An unmanned aircraft operated by remote control equipment or self-provided program control devices:
3:2
Low-altitudedigitalaerialphotography
Digital aerial photography with an unmanned aerial vehicle and a relative altitude below:2000m:
3:3
2000 National Geodetic Coordinate System ChinaGeodeticCoordinateSystem2000;CGCS2000
Using:2000 reference ellipsoid, the origin is in the right-hand ground-fixed rectangular coordinate system of the center of the earth: Z axis is the reference pole direction of the International Bureau of Earth Rotation, X
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