GB/T 23236-2024 English PDFUS$519.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 23236-2024: Digital aerial photographmmetry - Specifications for aerotriangulation Status: Valid GB/T 23236: Historical versions
Basic dataStandard ID: GB/T 23236-2024 (GB/T23236-2024)Description (Translated English): Digital aerial photographmmetry - Specifications for aerotriangulation Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: A77 Classification of International Standard: 07.040 Word Count Estimation: 26,264 Date of Issue: 2024-05-28 Date of Implementation: 2024-12-01 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 23236-2024: Digital aerial photographmmetry - Specifications for aerotriangulation---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.ICS 07:040 CCSA77 National Standards of People's Republic of China Replace GB/T 23236-2009 Specification for aerial triangulation of digital aerial photogrammetry Released on 2024-05-28 2024-12-01 implementation State Administration for Market Regulation The National Standardization Administration issued Table of ContentsPreface III Introduction IV 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Basic Provisions 2 4:1 Spatial reference 2 4:2 Image Control Data 2 4:3 Aerial photography 3 4:4 Accuracy Index 3 4:5 Frame-type digital aerial photography image orientation parameters 6 5 Preparation 6 5:1 Data Collection 6 5:2 Data Analysis 6 5:3 Technical Design 7 6 Measurement methods 7 7 Workflow 7 8 Technical requirements 8 8:1 Building an adjustment regional network 8 8:2 Data Preprocessing 8 8:3 Image Orientation 9 8:4 Connection point measurement 9 8:5 Free Network Adjustment 9 8:6 Image Control Point Measurement 9 8:7 Bundle Block Adjustment 9 9 Quality Control10 9:1 Basic requirements 10 9:2 Process Quality Inspection 10 9:3 Quality Check of Results 11 10 Results collation and submission 11 10:1 Results Summary 11 10:2 Results Submission11 Appendix A (Normative) Elevation Accuracy Estimation of Photogrammetric Stereo Mapping 12 Appendix B (normative) Definition of image coordinate system, image point coordinate transformation, rotation matrix and central projection collinearity equation 13 B:1 Definition of image coordinate system 13 B:2 Image point coordinate transformation 14 B:3 Rotation Matrix and Center Projection Collinearity Equation 15 Appendix C (Normative) Definition of attribute items, data content and recording format requirements for frame-type digital aerial photography orientation parameters 16 C:1 Definition of attribute items of orientation parameters for frame-type digital aerial photography 16 C:2 Requirements for the content and recording format of frame-type digital aerial photography orientation parameter data 16ForewordThis document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting: This document replaces GB/T 23236-2009 "Specifications for Aerial Triangulation of Digital Aerial Photogrammetry": In addition to the changes, the main changes in this document compared with GB/T 23236-2009 are as follows: a) The English name of the standard has been changed; b) The scope of application of the standard has been changed (see Chapter 1, Chapter 1 of the:2009 edition); c) Added a chapter on “Terms and Definitions” (see Chapter 3); d) Added the provisions on ground resolution of aerial photography images (see 4:3:2); e) Changed the “mean error of plane position” and “mean error of elevation” in the header of Table 3 to “tolerance of plane position” and “tolerance of elevation” (see Table 3, Table 3 of the:2009 edition); f) The calculation formula for checkpoint error has been changed (see 4:4:1:2, 7:2 and 7:3 of the:2009 edition); g) Added some provisions on the accuracy of aerial triangulation (see 4:4:1:5); h) Added some provisions on adjustment accuracy (see 4:4:2:1); i) Deleted the requirement for poor model connection (see 6:3 of the:2009 edition); j) The content of aerial triangulation results was changed and the format of the results was standardized; the The content was modified to frame-type digital aerial photography image orientation parameters, and the frame-type digital aerial photography image orientation parameters were standardized: Meaning (see 4:5, Chapter 8 of the:2009 edition); k) The operation process was changed, where relative orientation and model connection were changed to connection point measurement and free network adjustment, and absolute orientation was changed to is the regional block adjustment (see Chapter 7, 3:7 of the:2009 edition); l) The relevant provisions on the connection of regional networks have been changed (see 8:7:4, 7:8 of the:2009 edition); m) Added the method and formula for estimating the elevation accuracy of photogrammetric stereo mapping (see Appendix A); n) Added the definition of image coordinate system, image point coordinate transformation, rotation matrix and central projection collinearity equation (see Appendix B); o) Added the definition of attribute items, data content and recording format requirements for frame-type digital aerial photography image orientation parameters (see Appendix C): Please note that some of the contents of this document may involve patents: The issuing organization of this document does not assume the 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 Technical Committee for Geographic Information Standardization (SAC/TC230): This document was drafted by: Surveying and Mapping Standardization Institute of the Ministry of Natural Resources, the Second Topographic Survey Team of the Ministry of Natural Resources, and China Surveying and Mapping Science Research Institute Institute of Surveying and Mapping, Wuhan University, Shenzhen Municipal Design and Research Institute Co:, Ltd:, Dalian Surveying and Mapping Research Institute Co:, Ltd:, Ministry of Natural Resources First Aerial Survey Remote Sensing Institute, the Third Aerial Survey and Remote Sensing Institute of the Ministry of Natural Resources, Xi'an Survey and Mapping Institute, China Water North Surveying and Design Research Co:, Ltd:, Tianjin Surveying, Mapping and Geographic Information Research Center: The main drafters of this document are: Ma Congli, Zhao Wenpu, Yin Xiaoqing, Zhang Li, Yuan Xiuxiao, Zhang Ying, Fu Xiaoshan, Li Guozhong, Wang Xiping, Sun Weichao, Yang Zhengyin, Zhang Zhouping, Wang Yimin, Zhang Guoqiang, Liu Yongqiang, Zhang Ping, Zhang Zhijun, Chen Yanbo: The previous versions of this document and the documents it replaces are as follows: ---First published in:2009 as GB/T 23236-2009; ---This is the first revision:IntroductionThis paper provides a technical review of aerial triangulation, a key step in aerial photogrammetry, based on the current technical features of digital photogrammetry: This document only applies to the current operation process, production process, etc: after the application of various new technologies in aerial triangulation: If the original technical means are needed for the unchanged parts, they can continue to be applied: GB/T 7930-2008 "1:500 1:1000 1:2000 Topographic Map Aerial Photogrammetry Internal Specifications", GB/T 13990-2012 "1:5000 1:10000 Topographic Map Aerial Photogrammetry Internal Specifications", GB/T 12340-2008 "1:25000 1:50000 The relevant technical requirements of the "1:100000 Topographic Map Aerial Photogrammetry Internal Specifications" (such as film photography processing, etc:) are not in Provisions are repeated in this document: Specification for aerial triangulation of digital aerial photogrammetry1 ScopeThis document specifies the basic rules, preparation, technical requirements, quality management, and other aspects of aerial triangulation in conventional digital aerial photogrammetry production: Control, result collation and submission, describe the measurement method and establish the work process: This document applies to the production operations of frame-type digital aerial photographic images obtained by conventional aerial photography methods during the aerial triangulation stage: Other digital aerial images obtained by unconventional aerial photography methods, such as push-broom aerial images and swing-broom aerial images, are used in aerial triangulation: The accuracy requirements involved in the measurement stage can be implemented in accordance with this document:2 Normative referencesThe contents of the following documents constitute the essential clauses of this document through normative references in this document: For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document: GB/T 15661 1∶50001∶100001∶250001∶500001∶100000 Specification for aerial photography of topographic maps 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 Technical Specification for IMU/GPS Assisted Aerial Photography GB/T 27920:1 Specification for digital aerial photography Part 1: Frame-type digital aerial photography CH/T 1001 Rules for the preparation of surveying and mapping technical summaries CH/T 1004 Specification for Surveying and Mapping Technical Design CH/T 3006 Digital aerial photogrammetry control measurement specification3 Terms and definitionsThe following terms and definitions apply to this document: 3:1 Aerial photography is carried out using manned aerial aircraft or aerial drones equipped with aerial cameras in accordance with the aerial photography specifications for topographic maps: 3:2 digital aerial image Digitally recorded aerial images: Note: Digital aerial images directly acquired by digital area array cameras and images shot on film by film cameras are acquired by image scanners: Digital aerial images are called frame-type digital aerial images; strip-shaped digital aerial images are directly acquired by digital line array cameras according to push-broom imaging: It is called push-broom digital aerial photography: 3:3 Describe the spatial position and attitude parameters of digital aerial photography images in the mapping coordinate system: Note: The orientation parameters of frame-type digital aerial photography are expressed in terms of the internal and external orientation elements of the image: The internal orientation element of the image is the distance between the photographic center and the image plane: The parameters of the relative position relationship between the image and the ground include the coordinates of the principal point of the image and the principal distance of the image: The exterior orientation elements of the image are used to determine the relative position of the image and the ground: ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 23236-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 23236-2024_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 23236-2024_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 23236-2024_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 23236-2024?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 23236-2024 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
