Cloud accessing method for mass remote sensing data

A technology of massive remote sensing data and remote sensing data, which is applied in the field of cloud access of massive remote sensing data, can solve the problems such as being difficult to adapt to the amount of remote sensing image data, unable to process massive remote sensing image data quickly and effectively, and achieve fast and effective storage and reading. take effect

Inactive Publication Date: 2014-02-19
SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
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Problems solved by technology

[0003] Traditional remote sensing image access technology has been difficult to adapt to the rapidly expanding amount of remote sensing image data
[0004] Chinese patent CN103093413A discloses a method and device for writing and reading remote sensing image data, which uses a preset size to divide the original remote sensing image data into fixed blocks, obtains the color c

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  • Cloud accessing method for mass remote sensing data
  • Cloud accessing method for mass remote sensing data
  • Cloud accessing method for mass remote sensing data

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Embodiment Construction

[0037] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0038] see figure 1 , figure 1 The step flowchart 100 of the cloud access method for massive remote sensing data provided by the embodiment of the present invention includes the following steps S110 to S160:

[0039] Step S110: building the remote sensing data cloud computing platform based on Hadoop;

[0040] Wherein, the Hadoop includes HDFS and HBase, the HDFS stores the remote sensing image data, the HBase stores metadata corresponding to the remote sensing image data, the HDFS includes at least one NameNode and multiple DataNodes, the The NameNode stores file path information and r...

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Abstract

The invention provides a cloud accessing method for mass remote sensing data. A cloud computing platform of the remote sensing data is established based on Hadoop, a remote sensing image pyramid of the remote sensing data is then established according to the resolution ratio of the remote sensing data, each remote sensing image is divided into a plurality of slices according to the remote sensing image pyramid, all the slices are combined to form integrate images, the images are written into a newly established HDFS, a remote sensing data cloud storage module is further established by adopting the mode of a pyramid image storage structure, and a remote sensing data cloud reading module is established. According to the cloud accessing method for the mass remote sensing data, the cloud computing is introduced into the method, the slicing and combination of the mass remote sensing images are carried out based on the cloud computing platform, the mass remote sensing data cloud storage module and the mass remote sensing data cloud reading module are established, and fast and effective storage and reading can be carried out on the mass remote sensing data.

Description

【Technical field】 [0001] The invention relates to the technical field of data processing, in particular to a cloud access method for massive remote sensing data. 【Background technique】 [0002] With the rapid development of remote sensing technology, a large amount of remote sensing image data has been produced, and the storage and reading of massive image data has put forward higher requirements for computer hardware and software. At present, it is usually to read all the image data into the memory, and then read the relevant data from the memory when it is used. This method is faster for images with a small amount of data. However, limited by computer memory resources, it is difficult to read large enough image data. therefore, [0003] Traditional remote sensing image access technology has been difficult to adapt to the rapidly expanding amount of remote sensing image data. [0004] Chinese patent CN103093413A discloses a method and device for writing and reading remot...

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Application Information

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IPC IPC(8): H04L29/08
Inventor 陈会娟钱静刘萍郑茂恭黄鑫
Owner SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
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