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GB/T 35642-20171:25 000 1:50 000 imagery products of optical remote sensing satellite for surveying and mapping (English PDF)

1:25 000 1:50 000光学遥感测绘卫星影像产品

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 29, 2017

Implementation date

July 1, 2018

Scope

GB/T 35642-2017 is the English-translated version of 1:25 000 1:50 000光学遥感测绘卫星影像产品.

GB/T 35642-2017 is the Chinese standard "1:25 000 1:50 000 imagery products of optical remote sensing satellite for surveying and mapping". Its scope clause reads: This standard specifies the 1.

25000,1. 50000 optical remote sensing mapping satellite imagery product description, composition and file requirements, mode, to Seeking, testing, packaging and confidentiality.

This standard applies to 1. 25000, 1. 50000 optical remote sensing satellite imagery production, quality inspection and use. Its clauses include terms and definitions.

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Document preview — GB/T 35642-2017

National Standard of the People's Republic of China

ICS: 07.040
Classification: A 77

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Product Description
5 product composition and documentation requirements
5.1 Product Structure
5.2 Documentation Requirements
6 product model
6.1 plane mode
6.2 three-dimensional mode
7 product requirements
7.1 Mathematical Basis
7.2 time reference system
7.3 Storage Unit
7.4 color mode and pixel number
7.5 Ground pixel resolution
7.6 Product Name
7.7 Accuracy
7.8 Image Quality
8 product inspection
9 product packaging
10 Confidential
Appendix A (informative) rational function model and description of the parameter file
Appendix B (normative) product naming rules

1 Scope

This standard specifies the 1. 25000,1. 50000 optical remote sensing mapping satellite imagery product description, composition and file requirements, mode, to

Seeking, testing, packaging and confidentiality.

This standard applies to 1. 25000, 1. 50000 optical remote sensing satellite imagery production, quality inspection and use.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article

Pieces. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 17798 Geospatial data exchange format

GB/T 18316 digital mapping quality inspection and acceptance

Optical remote sensing satellite imagery product metadata

3 Terms and definitions

The following terms and definitions apply to this document.

3.1 Optical remote sensing satellite mapping

Optical remote sensing satellite with planar or three-dimensional mapping capability.

3.2 Radiometric correction

Correction for systematic, random radiation distortion or distortion due to external factors, data acquisition and transmission systems.

[GB/T 14950-2009 definition 5.195]

3.3 Tightly imaged geometric model

Tightly describe the entire physical process of remote sensing imaging, the ground point from the ground coordinate system, through the satellite platform and sensor coordinate system,

Has been passed to the image coordinate system space three-dimensional linear transformation relationship, and taking into account the internal distortion by the sensor, changes in the outer elements, the Earth

Rotation and atmospheric refraction and other factors caused by the geometric distortion of the image geometry of the relationship between the geometric model.

3.4 Rational function model rationalfunctionmodel; RFM

A Generalized Imaging Geometry for Associating the Geodetic Coordinates of Ground Points with Their Corresponding Pixel Coordinates by Using Rational Functions model.

3.5 Epipolar rayimage

Images without up-and-down parallax that are resampled from the original image by the core line.

[GB/T 14950-2009 definition 5.52] […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.

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