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Data compression method and data compression system based on image set

A technology of data compression and image data, applied in the field of data compression methods and systems based on image sets, can solve problems such as poor image compression effects, and achieve the effects of improving transmission reliability, reducing complexity, and strong representation

Active Publication Date: 2012-12-12
XIAN INSTITUE OF SPACE RADIO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] (2) The successfully developed image compression equipment has a good compression effect on most images, but the compression effect on some images is not good, and the user still wants to continue to use the compression equipment

Method used

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  • Data compression method and data compression system based on image set
  • Data compression method and data compression system based on image set

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Embodiment Construction

[0038] The present invention will be further introduced below in conjunction with the accompanying drawings.

[0039] The image data compression method and system of the present invention are proposed to solve the problem of safe transmission of large-capacity and high-resolution images. Using known data sets, the original image is converted into multiple generated images, and by studying each generated image Compression performance, select the generated image with good compression effect as the transmission data. By adopting the present invention, the existing compression method can be used to obtain better compression performance for the original image to be transmitted, and it also plays a certain role in protecting the original image, increasing the security of the original image transmission.

[0040] Such as figure 1 Shown is the method flow chart of the present invention, and concrete realization steps are as follows:

[0041] (1) Select n basic images B1, B2, ..., Bn...

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Abstract

The invention discloses a data compression method based on an image set. The data compression method comprises the following steps: selecting basic images of which the size is the same as a to-be-transmitted original image from an image data set; calculating the original image and each basic image to obtain a generated image; compressed encoding the generated image, and transmitting compressed encoding data of the generated image having the best compressed encoding effect as the transmission data for transmission; decoding the transmission data by a receiving end to obtain the generated image; and extracting the original image from the generated image by use of basic images which are the same with the transmitting end. The invention also provides a data compression system based on the image set. Based on the existing compression method, the better compression and safe transmission of the original image can be achieved by use of the image set.

Description

technical field [0001] The invention belongs to the technical field of image processing, and relates to a data compression method and system based on an image set. Background technique [0002] With the development of science and technology, people's demand for high-resolution images is increasing, but the data volume of high-resolution images is very large, which puts a lot of pressure on storage and transmission; therefore, people are always trying to improve image data compression. compression ratio and compression quality. [0003] At present, no matter how advanced the image compression method is, there are always the following problems: [0004] (1) The effect of image compression changes with the change of image characteristics [0005] A part of the image compression effect is good, and another part of the image compression effect is not good. In terms of objective evaluation criteria, the peak signal-to-noise ratio (PSNR) may vary a lot, and some literatures repo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/26H04N19/169
Inventor 周诠李晓博方海黎军呼延烺张怡李静玲
Owner XIAN INSTITUE OF SPACE RADIO TECH