Cloud accessing method for mass remote sensing data

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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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 component value of the pixel unit in the fixed block, and then Although the method of color component value assignment identification can reduce the cost of using remote sensing image data and save the storage space of raster data, it can only process a limited amount of remote sensing image data, and cannot quickly and effectively process massive remote sensing image data

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