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A remote sensing image data processing method, system and storage medium

A remote sensing image and data processing technology, applied in the field of data processing, can solve the problems of long time for data reading, transmission and processing, affecting the ease of use of the operating system, etc.

Active Publication Date: 2022-06-28
北京亿耘科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, with the development of remote sensing, the types and accuracy of remote sensing image data have been continuously improved, leading to a sharp increase in remote sensing image data. Traditional remote sensing image data generally place image data in large-scale relational databases, so data reading, transmission , The processing time is very long, which seriously affects the quickness and ease of use of the operating system

Method used

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  • A remote sensing image data processing method, system and storage medium
  • A remote sensing image data processing method, system and storage medium
  • A remote sensing image data processing method, system and storage medium

Examples

Experimental program
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Embodiment 1

[0067] like figure 1 shown, figure 1 A flowchart of a remote sensing image data processing method provided by an embodiment of the present invention is implemented by a server, and the remote sensing image data processing method includes:

[0068] S1, configure Web Mercator projection coordinates, and project remote sensing image data to the Web Mercator projection coordinates;

[0069] S2, constructing an image pyramid according to the resampling of the remote sensing image data;

[0070] S3, traverse the image pyramid layer, create a slice index for each map level according to the boundary information of the remote sensing image data of each layer; the slice index includes the slice position, the slice quantity and the space index key of the slice;

[0071] S4, according to the slice index, the remote sensing image data of each layer in the image pyramid layer is cut into slices of regular size;

[0072] S5. Store the slices in a distributed repository, where the distribu...

Embodiment 2

[0113] For ease of understanding, this embodiment describes the remote sensing image data processing method with a specific scene, which is implemented by a system composed of a server and a client, such as Figure 5 As shown, the remote sensing image data processing method includes:

[0114] S51. The server configures Web Mercator projection coordinates to read remote sensing image data;

[0115] S52. The server projects the remote sensing image data to Web Mercator projection coordinates;

[0116] S53. The server resamples the remote sensing image data according to the sampling ratio of 4:1, and builds an image pyramid hierarchically according to the resampling result;

[0117] The original remote sensing image data image is defined as the bottom layer of the image pyramid. With each upper layer, the resolution and data volume will decrease until it cannot be resampled. Increase the level by 1.

[0118] S54. The server creates a slice index for each layer of the image pyr...

Embodiment 3

[0132] Embodiments of the present invention provide a remote sensing image data processing system, such as Image 6 As shown, the remote sensing image data processing system includes a server and a client, and the server includes a first memory and a first processor;

[0133] a first memory for storing computer programs;

[0134] The first processor is configured to execute the computer program to implement the steps of the server executing the remote sensing image data processing method in the above embodiment; details are not repeated here.

[0135] the client includes a second memory and a second processor;

[0136] a second memory for storing computer programs;

[0137] The second processor is configured to execute the computer program to realize the steps of the client executing the remote sensing image data processing method in the above embodiment, which will not be repeated here.

[0138] This embodiment also provides a storage medium, where the storage medium store...

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Abstract

The invention relates to a remote sensing image data processing method, system and storage medium. The method includes projecting the remote sensing image data to configured Web Mercator projection coordinates; constructing an image pyramid according to resampling of the remote sensing image data; Create a slice index at the layer level. The slice index includes the slice position, the number of slices, and the spatial index key of the slice; according to the slice index, the remote sensing image data at each layer level is cut into regular-sized slices; the slices are stored in a distributed repository , the distributed repository includes a metadata table storing attribute information of each slice and an object table storing slices; the attribute information includes row and column numbers, zoom level, boundary range and projection information of the slice, and the row and column numbers correspond to the spatial index key; Slices are stored in a distributed repository, which meets the storage and expansion requirements of massive remote sensing images, and realizes fast reading and writing of massive slices.

Description

technical field [0001] The invention relates to the technical field of data processing, in particular to a remote sensing image data processing method, system and storage medium. Background technique [0002] With the rapid development of spatial information science, the means and methods of various spatial data acquisition are becoming more and more rapid and diversified, and the most prominent performance is remote sensing image data. At present, many governments have applied massive remote sensing image data to the fields of national defense, national land, environment, resources, etc., providing various map navigation services for the public, and gradually remote sensing image data has become one of the important data sources of spatial information science. [0003] However, with the development of remote sensing, the type and accuracy of remote sensing image data have been continuously improved, resulting in a sharp increase in remote sensing image data. Traditional rem...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/51G06F16/587G06F16/27
CPCG06F16/51G06F16/587G06F16/27
Inventor 张峰
Owner 北京亿耘科技有限公司