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Achieving method of remote-sensing image compression system

A remote sensing image and compression system technology, applied in image communication, digital video signal modification, electrical components, etc., can solve problems such as data transmission and storage difficulties, and achieve the effect of convenient transmission and storage

Inactive Publication Date: 2014-10-01
MAPUNI TECH CO LTD
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Problems solved by technology

In the existing technology, the amount of remote sensing image data is increasing day by day, and the contradiction between the limited channel capacity and the need to transmit a large amount of remote sensing data has become increasingly prominent, which has brought great technical difficulties to data transmission and storage.

Method used

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  • Achieving method of remote-sensing image compression system
  • Achieving method of remote-sensing image compression system
  • Achieving method of remote-sensing image compression system

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Embodiment Construction

[0033] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and 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.

[0034] In view of the increasingly large amount of remote sensing image data, the contradiction between limited channel capacity and the need to transmit a large amount of remote sensing data has become increasingly prominent, which has brought great difficulties to data transmission and storage. figure 1 The realization method of a remote sensing image compression system shown includes the following steps:

[0035] Step 101, collecting remote sensing image data;

[0036] Step 102, using a reversible wavelet transform method to perform mapping transformation on remote s...

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Abstract

An achieving method of a remote-sensing image compression system comprises the following steps of 101 acquiring remote sensing image data; 102 adopting a wavelet transformation method to perform mapping transformation on the remote sensing image data through a mapping converter so as to form mapping conversion data; 103 using an entropy encoder to perform encoding processing on the mapping conversion data and outputting encoding stream data; 104 compressing the encoding stream data to finish remote sensing image data compression. By adopting the achieving method, lossless compression of large-capacity remote sensing images can be quickly achieved, the increasingly prominent contradiction between the limited channel capacity and large-volume remote sensing data transmission in the prior art is solved, and great convenience is brought to data transmission and storage.

Description

technical field [0001] The invention relates to the technical field of remote sensing image compression, in particular to a method for realizing a remote sensing image compression system. Background technique [0002] With the development of new sensing technologies, the temporal, spatial and spectral resolution of remote sensing images has been continuously improved. With the rapid development of aerospace remote sensing technology, the corresponding data scale has grown geometrically. The amount of remote sensing data is increasing day by day, and the contradiction between the limited channel capacity and the need to transmit a large amount of remote sensing data has become increasingly prominent, which has brought great difficulties to data transmission and storage. As an effective way to solve this problem, data compression technology, especially for remote sensing image data, has been paid more and more attention in the field of remote sensing. Because remote sensing i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/13H04N19/91
Inventor 焦晓峰林先壹姚勇鲁惠联管向中
Owner MAPUNI TECH CO LTD
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