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Method and device for establishing spatial grid system and remote sensing image processing system

A grid system and remote sensing image technology, which is applied in the fields of electrical digital data processing, special data processing applications, geographic information databases, etc., can solve the problems of ineffective remote sensing image data and processing

Inactive Publication Date: 2019-08-09
北京国星宇航科技有限公司
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Problems solved by technology

[0004] In view of this, this application provides a method and device for establishing a spatial grid system, and a remote sensing image processing system to solve the technical problem that remote sensing image data cannot be processed effectively in the prior art

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  • Method and device for establishing spatial grid system and remote sensing image processing system
  • Method and device for establishing spatial grid system and remote sensing image processing system
  • Method and device for establishing spatial grid system and remote sensing image processing system

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Embodiment Construction

[0046] In order to make the above objects, features and advantages of the present application more obvious and understandable, the embodiments of the present application will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0047] In the existing technology, the commonly used remote sensing image data scheduling method is to first preprocess the remote sensing image into multi-level tile data, see figure 1 As shown, the tile data segmentation method is usually in the longitude-latitude coordinate system, the Middle East Hemisphere region and the Western Hemisphere region of the global remote sensing image are each used as a top-level grid, and then the top-level grid is divided into quadtrees step by step, In this way, the remote sensing image is divided into multi-level tile data, and tile data of the appropriate level within the current browsing range are transmitted when requesting to browse a certain a...

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Abstract

The invention discloses a remote sensing image processing system used for realizing the rapid processing of a remote sensing image, and comprises a space grid system module used for establishing a space grid system, wherein the space grid system totally comprises 2n levels of grids; a remote sensing image storage module used for storing grid data of grids from the first stage to the L stage of theremote sensing image, with L being a positive integer smaller than or equal to n; wherein the L-th-level grid is the maximum grid level corresponding to the remote sensing image determined accordingto the resolution; and a spatial grid scheduling module used for determining the grid codes of the grids corresponding to the query points and obtaining the grid data of the grids corresponding to thequery points from the remote sensing image storage module according to the grid codes of the grids corresponding to the query points. The invention further discloses a method and a device for establishing the spatial grid system.

Description

technical field [0001] The present application relates to the technical field of remote sensing image processing, in particular to a method and device for establishing a spatial grid system, and a remote sensing image processing system. Background technique [0002] With the rapid development of remote sensing image acquisition methods, the era of remote sensing big data has come. Remote sensing images generally refer to satellite remote sensing images and aerial photography images, which have the characteristics of huge amount of data, complex and diverse data formats and coordinate systems. The current remote sensing image data is based on the file organization mode of strips, map frames, bands, etc. In this mode, the remote sensing image data cannot be quickly retrieved, and it takes a long time and tedious processing to continuously browse, which severely limits the application of remote sensing image data. As a result, the due value of remote sensing image data cannot ...

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Application Information

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IPC IPC(8): G06F16/587G06F16/29
CPCG06F16/50G06F16/29
Inventor 李振宇郑承迅王成龙周青代雪峰
Owner 北京国星宇航科技有限公司
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