IT ' S SMART

Technical regulation of the production of high resolution optical and ultra-high-resolution optical optical imaging to provide users with

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Base of Protocol 21 /2013/NĐ-CP March 4, 2013 of the Government on the Functional Regulation, mandate, jurisdiction and organizational structure of the Ministry of Natural Resources and Environment;

At the suggestion of the Director of National Reconnaissance, the head of the Department of Science and Technology and the Chief of the Legal Affairs Department;

The Minister of Natural Resources and the Environment of the Ministry of Natural Resources provides technical regulation on the production of high resolution optical optical vision images to provide to the user.

Chapter I

GENERAL REGULATION

What? 1. The adjustment range

This information provides technical requirements for the production of high resolution optical optical vision images to provide remote sensing images to the user.

What? 2. Subject applies

This information applies to the state governing body of remote sensing, organizations and individuals involved in the production of high resolution optical and ultra-optical optical imagery.

What? 3. Explain words

In this Information, the words below are understood as follows:

1. I'm going to have a visual. is the processing process for creating detective data 1A, a 12A probe, a 3A spy photo, and a 3B probe from the zero-level detective data.

2. Optical optics is the type of image generated by the capture of visible light wavelengths (0.4-0.76 micrometres) across the satellite using optical lenses.

3. Ground resolution (Ground Resolution) is the size of 1 pixel pixels on the ground.

4. High resolution images is the image data obtained from a smaller ground resolution or by 20m.

5. Ultra-high resolution images It ' s the data that ' s got the ground resolution of less than 1m.

6. High-level model (Digital Elevation Model-DEM) is a demonstration model of the number of continuous variation of terrain surface height. The high-degree model is used in the image to exclude the geometric shape of the image due to the resulting geologic spread.

7. Adjust geometry is the calibration of the geometric distorts of the image due to the imaging process, due to the impact of the terrain and by the transfer of the coordinate system from pixels from the image space coordinates to the perpendum coordinates-the Carters coordinates.

8. Increase Image Quality The probe is the correction of the image radiation to enhance its information capabilities.

9. Detective Data Level 0 It ' s the surveillance data that ' s been recorded and processed directly from satellite signals at the spy camera station that hasn ' t been through any of the corrections.

10. Detective 1A is the visual product that has been calibrated to the effects of the Earth ' s curvation, removing the error of photographic output and signal interference due to the atmospheric impact of the atmosphere from zero.

11. Detective photo 2A. It ' s a satellite image that ' s been formed: the national coordinate system VN-2000, the international UTM-plane coordinate system ... using the physical model, the orbital information of the satellite.

12. Detective 3A is a modified visual product that has been adapted to the system mapping system and the National System of VN-2000, the international UTM-plane coordinate system ... using physical models, photo-control points and high-altitude models. Detective 3A is well-treated and enhanced the image quality according to the scene.

13. Remote 3B It's a detective that's been dealt with at the remote. 3A.

What? 4. Professional terminology

1. VN-2000: VN-2000 system and system.

2. UTM: (Universal Transverse Mercator): The international UTM system uses a grid-based projection grid.

3. GPS (Global Positioning System) Global Positioning System.

4. GIS (Geographic Information System): The geographic information system.

5. Pan (Panchromatic): full image.

6. XS (MultiSpectral): Multispectral photo.

What? 5. Content-production work content.

1. The preparation work: data collection and other technical materials are relevant.

2. Import data: import of remote sensing images, map data, high number models, and related data processing systems.

3. Produce a 1A probe: using the collected data generated images of a 11A probe that then tests the quality of the product.

4. A 2A spy image: the use of the collected data generated images of a 2A probe then tests the quality of the product.

5. Produce 3A image: Using the collected data generated images of a probe 3A then tests the quality of the product.

6. visual production of 3B: Using the collected data generated by a 3B probe then tests the quality of the product.

7. Close the package and deliver the product.

The plan for the production of the telegraphic images is specified in Appendix 1 issued by this message.

Chapter II

TECHNICAL REQUIREMENTS FOR REMOTE SENSING

What? 6. Gather data

The data to collect the work of a visual detective is:

1. Detective Data.

2. Map data.

3. Image control point data.

4. High-degree model.

5. Design engineering design and other technical materials are related.

What? 7. Request for remote sensing data

The detective data must ensure the technical parameters of the probe, the orbit of the satellite.

1. Detective data level 0 must ensure quality in the process of receiving and processing the signal, without a signal failure or dissection.

2. Zero-level vision data must be evaluated in a preliminary review of cloud cover in the form of quick view. The evaluation of cloud cover is divided into levels and symbols by letters:

a) Level A: The detective has a cloud cover of less than 10%;

b) Level B: The probe has a cloud cover of 10-25%;

c) Level C: The probe has a cloud cover from 25% or more;

The detective image selected as the input data is the image with a cloud cover that is consistent with the user's set requirements.

What? 8. Request for map data

The map used to determine the point of controlling the image must be a digital state map in the larger proportion of the probe to be established.

What? 9: Request for Image Control

1. Select Image Control Points:

The selected terrain must be the most obvious objects on the remote and on the map, not being misled by the process of generalizing the map or being deployed due to the large symbol size, and has to be able to extrapolate. High. The unknown number and stings selected on the map do not exceed ± 0.1 mm.

a) At the junction between the animal or the edge of the shape of the route (traffic, dikes, dams, canals, incision) with a junction in about 30 ° to 150 °;

b) At the characteristic points of independent (bridges, sewers, home corners);

c) The image control points must be selected, stinging on a remote image from the original image.

2. Numbers, how the layout controls the image:

a) Image points must control all the scenes in the area. The minimum number of pixels is 12 points/01 that the layout is distributed in each detective scene. There must be at least two control points in the area of the pillow between the two scenes.

b) Each image must have at least 2 test points, positioned at alternated positions between the image control points;

c) The coordinates of the image control points are defined on the digital map using the information extraction tool of the image processing software, the digital map or the GIS;

The image design scheme layout was specified in Annex 2 issued by this message.

What? 10. Required for the high number model

Using a high-altitude model to shape the probe in the event of a pixel-level position caused by the height of the terrain to 0.3 mm according to the speed of the telegraphic image. The opposite case uses the average plane of the entire region to form the image.

The error number for the model of the high-degree model for the image of the probe is specified in table 1 and the table 2 Annex 3 issued by this message.

Chapter III

DATA IMPORT REGULATION

What? 11. Enter the first probe image data

1. The digital probe data must be moved back to the appropriate data framework before entering the teleporter imaging system.

2. The same detective images in the form of movies scanned on film scanners with spectral resolution are set to write 8-bit units a single image channel. The scan data framework must be consistent with the image processing system.

What? 12. Imposition the probe image control point

1. The image control error number is transferred to the image compared to the object on the image not more than 0.5 pixels photo.

2. The control point is assigned coordinates and altitude according to the results of an external control measure or as a result is defined on the terrain map at greater rates.

3. Picture, location, and description of the control point must be saved to the database of the probe processing system.

What? 13. Import map data and high number model

Map data and high-altitude models are entered into the system-based telegraphic imaging system.

Chapter IV

TECHNICAL REGULATION OF 11A PROBE

What? 14. Import of zero vision data

1. Search for zero-level vision data that is consistent with a request for cloud coverage, date date as a snapshot in the form of a snapshot.

2. Check out the zero-level detective data stored on the storage system or on the magnetic tape.

3. Get the remote sensing data from the storage system or on the magnetic tape.

4. Import of zero-level probe data into the spy imaging system to produce the 11A probe.

What? 15.

1. Install the configuration of the technical parameters of the remote image.

2. Install the probe's orbit processing configuration.

3. Use the software on the image processing system to produce detective images 1A.

What? 16.

Detective 1A after production must be given a quality check:

1. Check out the cloud cover compared to the set request.

2. Check the level of the copper level.

Chapter V.

TECHNICAL REGULATION OF 2A SPY IMAGE

What? 17. Import input data

1. Detective 1A after examining the required quality is entered into the probe processing system to make input data for the production of detective images 2A.

2. Enter the physical model of the teleporter.

What? 18. A 2A spy image.

1. Calculate the physical model.

2. Selection of the coordinate system, the frame is correct with the request.

3. Use the software on the image processing system to edit the 2A spy image. The grey degree value of the pixel is interpolated according to the nearest neighbor method, the parallel method or the third-degree endogenous method.

4. Common processing by the Hystograme of each spectrum.

5. Mix the detective image: to enhance the image quality in order to serve the detection of a vision image, deduce objects that need full image mixing and multi-spectrum images that have handled the color to create high resolution color images.

6. Increase image quality by filtration.

What? 19. C2A spy quality check

A 2A probe after production must be given a quality test:

1. Check the coordinate system, the projection zone over the request.

2. Check the level of the copper level.

3. If the 1A probe image uses the mixing method, must check the accuracy between the full image and the multispectral image, the number of deviation locations that are no more than 01 pixels against the scenes at the same time.

Chapter VI

TECHNICAL REGULATION OF REMOTE SENSING 3A

What? 20. Import input data

1. Detective 1A after checking the required quality is entered into the spy image processing system to make input data for the process of producing detective 3A.

2. Enter the physical model of the teleporter.

3. Enter the remote control point.

4. Enter the map and model the high number.

What? Twenty-one.

1. The modelling of remote sensing images includes:

a) Importer imagery: importing visual data and additional data attached to images (satellite information, satellite trajectory, photo date, photo location, photo input information ...), entry point-to-control image, the high number model in the image processing system;

b) Increase the image: use the parameters of the satellite when taking the image, the parameters of the satellite orbit and the images of the image to build the physical model;

c) When it is linked to a camera (increasing the image of the probe) then the images, the images, the double image of the satellites at different times share a variable pattern. Use a remote-image model to shape the pictures of the orthos.

2. Rules of selecting the ribbon and volume links:

a) Select the image ribbon link point, double ribbon link point, the pixel bond point in the 10% cover area of the photo strip;

b) The selected image linking points are that the terrain has a clear image on 2 scenes;

c) The image link points to choose from each other, avoiding the selection of points that make up the straight line.

3. Check results test:

a) Using the GPS control points already has to calibrate the image pattern, or the photo strip, or the image mass;

b) The error calculation of the image model, if the error is greater than the wrong limit, the selection point is required. The error number of the plane's plane positions after calculating the average relative to the nearest GPS control point does not exceed 0.5 pixels, in the wrong number unknown to excess of 1 pixels.

What? 22. Explorb geometry.

1. The remote image is formed by each scene. The sample size of the remodel image is not greater than 0.2mm on the remote image. The grey degree value of the pixel is interpolated according to the nearest neighbor method, the parallel method or the third-degree endogenous method.

2. The remote sensing image model is done by a physical model in the case of a full degree of photographic and software matching parameters or by other mathematical models (a multibillion-function model, polynoscale function model, affine model, linear transformation model). directly, the grid conversion model) in the absence of the appropriate photo and software parameters.

3. Use the GPS measurements or use a high-altitude model to shape the probe in the case of the pixel-point position caused by the topographic difference of 0.3mm according to the probe's speed of vision. The opposite case uses the average plane of the entire region to form the image.

Depending on the modeling method that determines the amount and shape of the image control points. In the case of modeling the astrophysical image according to the physical model, the minimum determination for each of the 10-point model controls the image. In the case of a polynamonization that has to be defined for each model of the 10 image control points to be scattered throughout the photosphere. In the case of a physical modelling of two adjacent or increased shots for the spy image, it must choose a point of control over the area of the pillow between the two scenes.

4. Check the geometric adjustment error:

a) The average difference of the position of the same name on the remote-shaped object of the same name compared to the map is not greater than 0.4mm for the pronounced and is not greater than 0.6mm for the unmarked animal;

b) The number of the number of artifacts between the formed scenes is not greater than 0.7 mm in the plain and 1.0 mm in the mountains;

c) The remote investigator is brought back to the VN2000 coordinate system or, according to each specific requirement.

What? 23. Common processing, mixing photo and enhancing image quality

1. spectroscopy: The probe after being modified geometry needs to be dealt with spectroscopy at the level of the screen display then saved in the form of the digital image data.

2. Mix the detective image: To enhance the image quality in order to serve the image to predict the image, deduce objects that need full image mixing and multi-spectrum images processed to create a high resolution color image.

3. Increase the visual quality of the vision: When the image does not reach the required definition, it is clear that the elements need to enhance the image quality. The increase in the image quality is conducted for each channel by linear conducer, image filtering, non-cloud-based combination, interactive adjustment methods, or other methods. Depending on the original image nature that selects the linear image filter method accordingly.

It is also possible to enhance the multi-spectrum image quality by a color combo solution performed under a natural color combination method or a fake color combination.

4. Compact on spectral processing, visual mixing

a) The postgraduate image must ensure the following requirements:

-The vision after the spectrum has to reach the level of good image quality, of medium contrast, no color;

-The color of the bronze color with the armor.

-The post-processed gray distribution chart must take maximum advantage of the value of the possible pixel.

b) The remixed image must meet the following requirements:

-The images were used not to be too far from the time of the photo shoot;

-The error on the number of objects between the same name on the remote images does not exceed 0.5 pixels of the lower resolution image;

-The resolution of the detective images is not different than four times.

What? 24. Check out surveillance images 3A.

Probe 3 A after production must be given the quality test as follows:

1. Check the coordinate system, the projection zone over the request.

2. Check the level of the copper level.

3. Check the detective accuracy 3A compared to the checkpoint, check point.

4. The accuracy test between the full image and the multispectral image, the number of deviation locations is not more than one pixel for the pairs of shots at the same time.

Chapter VII.

3B VISION PRODUCTION TECHNIQUES

What? 25. Data input

Probe 3A after a request for quality input is checked into the probe processing system to make input data for the 3B probe.

What? 26. Piece of photo and cut the telescope.

1. Photo: In the case of a photo-piece of the probe, the visual probe is not complete on a spy scene, but on a variety of remote spy scenes, we have to put together these detective scenes.

2. Cut the piece of the telegraphic graph: The telemargegraph is cut down in the topographic piece of the topographic map or cut the piece by the specified boundary.

3. Check out the photos and cut the pieces:

The probe of the probe after the grasping and the cut must be checked:

a) The image transplant is not passed through the control points. The transplant must pass through the sites with the smallest number of contact errors, not to be cut according to the shape of the line. The angle between the graft and the shape of the line is between 30 ° -150 °;

b) The error number error when the topographic approach on the image formed does not exceed 0.6mm in the plain area on the map rate and does not exceed 1,0mm in the mountains;

c) The two sides of the puzzle must be relatively uniform. We have to do the same color in the 60-pixel corridor around the compound.

d) The telegraphic image must be cut down in the topographic piece of the topographic map or cut the piece by the specified boundary.

What? 27. Build the frame, grid coordinates, annotations and the outer frame of the telegraphic camera.

1. The frame and presentation of the probe-based probe as follows:

a) The telegraphic image frame has a geographic coordinate and coordinates.

b) The name and the fragment of the image of the telegraphic image;

c) The aspect ratio of the probe to be established;

d) Tablet;

Information about the probe (image type, resolution, time of capture);

e) The name of the unit and the time of the founding of the telegraphic image;

g) The projector's reference system.

2. Check out the frame and show the telegraphic window frame:

The frame and presentation of the telegraphic image pane must be checked in accordance with the regulation.

The frame is specified at Appendix 04 attached to the Information.

What? 28. Checklist of 3B.

Probe 3B after production must be checked in quality.

1. Check the image transplants if available.

2. Check the level of copper levels in the spectrum with the pieces if available.

Chapter VIII

PACKAGING REGULATIONS, PRODUCT DELIVERY

What? 29. Regulation of product collection testing

All post-processing photo products after the processing must be tested for product collection at the production unit, ensuring a requirement for quantity, quality.

What? 30. Product packaging regulation

1. The spy image product is exported to the standard format according to each type of satellite or output under the TIFF/GEOTIFF framework for the software and some other formats in accordance with its own requirements. There must be additional files containing information about the coordinates and files containing the information about the image.

2. The digital product is written on a CD-ROM or DVD. A CD-ROM or DVD recording of digital products must be a good quality and only one. The data is not interrupted during the recording process and after the record must be rechecked on the computer to confirm the quality of the information written on the disk. On the shell and label CD-ROM or DVD store data storage of digital products must specify the necessary technical information of the product, in order to cater to the storage and extraction of data. The label must record the full length of the photo of the telegraphic image, ratio, date date, unit name, and processing time.

3. The printed product on paper must be arranged in sequence and contained in the packaging made of highly durable material. On the packaging of product type, ratio, number of products, execution times, public placement units, and other required notes.

What? 31. Product delivery regulation

1. The spy image product after having been tested for engineering, quality assessment and collection must all be delivered to preserve, exploit the use and storage.

2. When a visual product delivery is delivered to the product of the product delivery. This compilation is the base for the recovery and liquing of contracts, projects.

Chapter IX

EXECUTION CLAUSE

What? 32.

This announcement came into effect on May 12, 2015.

What? 33. The organization performs

1. Ministry, peer agency, government agency; Provincial People's Committee, Central City, and organizations, individuals who are involved in responsible for this practice.

2. The National Bureau of Exploration, Ministry of Natural Resources and Environment has a responsibility to guide and examine the implementation of this Information.

3. The Department of Natural Resources and Environment of the Provinces is responsible for the Provincial People's Committee, the Central City of the Central Committee to implement this Information in the Local.

4. In the course of execution, if there is an entangriation, recommend the agencies, organizations, individuals that reflect on time about the Ministry of Natural Resources and the Environment to study the amendment, the addition ./.